octave-nkf: libinterp/corefcn/sighandlers.cc annotate

annotate libinterp/corefcn/sighandlers.cc @ 19069:afab3a2f57e7

doc: Update docstring for exist(). * variables.cc (Fexist): Update documentation string.

author	Rik <rik@octave.org>
date	Sun, 29 Jun 2014 12:58:22 -0700
parents	9cfba3616503
children	4197fc428c7d

rev	line source
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	2
17744 d63878346099 maint: Update copyright notices for release. John W. Eaton <jwe@octave.org> parents: 17569 diff changeset	3 Copyright (C) 1993-2013 John W. Eaton
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	4
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	6
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	8 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6653 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6653 diff changeset	10 option) any later version.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	11
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	15 for more details.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	16
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	17 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6653 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6653 diff changeset	19 <http://www.gnu.org/licenses/>.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	20
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	21 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	22
240 a99f28f5e351 [project @ 1993-11-30 20:24:36 by jwe] jwe parents: 1 diff changeset	23 #ifdef HAVE_CONFIG_H
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	24 #include <config.h>
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	25 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	26
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	27 #include <cstdlib>
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	28
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3343 diff changeset	29 #include <iostream>
1344 c2ca372d3279 [project @ 1995-09-04 00:50:16 by jwe] jwe parents: 1343 diff changeset	30 #include <new>
c2ca372d3279 [project @ 1995-09-04 00:50:16 by jwe] jwe parents: 1343 diff changeset	31
834 44ce29d8cb7b [project @ 1994-10-19 18:17:44 by jwe] jwe parents: 635 diff changeset	32 #include <sys/types.h>
44ce29d8cb7b [project @ 1994-10-19 18:17:44 by jwe] jwe parents: 635 diff changeset	33 #include <unistd.h>
1343 94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1315 diff changeset	34
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	35 #include "cmd-edit.h"
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5451 diff changeset	36 #include "oct-syscalls.h"
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4092 diff changeset	37 #include "quit.h"
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	38 #include "singleton-cleanup.h"
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	39
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	40 #include "debug.h"
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	41 #include "defun.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	42 #include "error.h"
10194 d4f813c3f5ed more debug mode fixes John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	43 #include "input.h"
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	44 #include "load-save.h"
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	45 #include "oct-map.h"
2091 60f5e1c20815 [project @ 1996-04-28 08:32:39 by jwe] jwe parents: 2016 diff changeset	46 #include "pager.h"
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	47 #include "pt-bp.h"
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	48 #include "pt-eval.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	49 #include "sighandlers.h"
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	50 #include "sysdep.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	51 #include "syswait.h"
2091 60f5e1c20815 [project @ 1996-04-28 08:32:39 by jwe] jwe parents: 2016 diff changeset	52 #include "toplev.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	53 #include "utils.h"
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	54 #include "variables.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	55
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	56 // Nonzero means we have already printed a message for this series of
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	57 // SIGPIPES. We assume that the writer will eventually give up.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	58 int pipe_handler_error_count = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	59
3018 5708b8bb4f06 [project @ 1997-06-03 21:48:05 by jwe] jwe parents: 2931 diff changeset	60 // TRUE means we can be interrupted.
5708b8bb4f06 [project @ 1997-06-03 21:48:05 by jwe] jwe parents: 2931 diff changeset	61 bool can_interrupt = false;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	62
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	63 // TRUE means we should try to enter the debugger on SIGINT.
15595 6e780fb15c14 Make Vdebug_on_interrupt not be static Max Brister <max@2bass.com> parents: 15195 diff changeset	64 bool Vdebug_on_interrupt = false;
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	65
14889 577df411e0c7 rename octave-core file to octave-workspace John W. Eaton <jwe@octave.org> parents: 14861 diff changeset	66 // Allow users to avoid writing octave-workspace for SIGHUP (sent by
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	67 // closing gnome-terminal, for example). Note that this variable has
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	68 // no effect if Vcrash_dumps_octave_core is FALSE.
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	69 static bool Vsighup_dumps_octave_core = true;
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	70
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	71 // Similar to Vsighup_dumps_octave_core, but for SIGTERM signal.
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	72 static bool Vsigterm_dumps_octave_core = true;
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	73
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	74 // List of signals we have caught since last call to octave_signal_handler.
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	75 static bool octave_signals_caught[NSIG];
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	76
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	77 // Forward declaration.
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	78 static void user_abort (const char *sig_name, int sig_number);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	79
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	80 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	81
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	82 #define WIN32_LEAN_AND_MEAN
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	83 #include <windows.h>
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	84
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	85 class
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	86 w32_interrupt_manager
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	87 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	88 public:
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	89 ~w32_interrupt_manager (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	90 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	91 if (thread)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	92 CloseHandle (thread);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	93 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	94
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	95 static bool init (void) { return instance_ok (); }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	96
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	97 static void octave_jump_to_enclosing_context (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	98 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	99 if (instance_ok ())
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	100 instance->do_octave_jump_to_enclosing_context ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	101 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	102
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	103 static void user_abort (const char *sig_name, int sig_number)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	104 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	105 if (instance_ok ())
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	106 instance->do_user_abort (sig_name, sig_number);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	107 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	108
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	109 static void raise_sigint (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	110 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	111 if (instance_ok ())
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	112 instance->do_raise_sigint ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	113 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	114
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	115 private:
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	116 w32_interrupt_manager (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	117 : thread (0), thread_id (0)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	118 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	119 thread_id = GetCurrentThreadId ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	120
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	121 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	122 GetCurrentProcess (), &thread, 0, FALSE,
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	123 DUPLICATE_SAME_ACCESS);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	124 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	125
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	126 static void octave_jump_to_enclosing_context_sync (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	127 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	128 #ifdef _MSC_VER
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	129 _fpreset ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	130 #endif
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	131 ::octave_jump_to_enclosing_context ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	132 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	133
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	134 void do_octave_jump_to_enclosing_context (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	135 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	136 bool is_interrupt_thread = (GetCurrentThreadId () == thread_id);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	137
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	138 if (is_interrupt_thread)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	139 octave_jump_to_enclosing_context_sync ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	140 else
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	141 {
18529 9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	142 // 64-bit Windows does not appear to have threadContext.Eip.
9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	143 // Something else must be done here to allow interrupts to
9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	144 // properly work across threads.
9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	145
9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	146 #if ! (defined (__MINGW64__) \|\| defined (_WIN64))
9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	147
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	148 CONTEXT threadContext;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	149
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	150 SuspendThread (thread);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	151 threadContext.ContextFlags = CONTEXT_CONTROL;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	152 GetThreadContext (thread, &threadContext);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	153 threadContext.Eip = (DWORD) octave_jump_to_enclosing_context_sync;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	154 SetThreadContext (thread, &threadContext);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	155 ResumeThread (thread);
18529 9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	156 #endif
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	157 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	158 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	159
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	160 void do_user_abort (const char *sig_name, int sig_number)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	161 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	162 bool is_interrupt_thread = (GetCurrentThreadId () == thread_id);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	163
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	164 if (is_interrupt_thread)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	165 ::user_abort (sig_name, sig_number);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	166 else
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	167 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	168 SuspendThread (thread);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	169 ::user_abort (sig_name, sig_number);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	170 ResumeThread (thread);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	171 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	172 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	173
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	174 void do_raise_sigint (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	175 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	176 bool is_interrupt_thread = (GetCurrentThreadId () == thread_id);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	177
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	178 if (is_interrupt_thread)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	179 ::raise (SIGINT);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	180 else
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	181 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	182 SuspendThread (thread);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	183 ::raise (SIGINT);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	184 ResumeThread (thread);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	185 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	186 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	187
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	188 static bool instance_ok (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	189 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	190 bool retval = true;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	191
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	192 if (! instance)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	193 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	194 instance = new w32_interrupt_manager ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	195
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	196 if (instance)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	197 singleton_cleanup_list::add (cleanup_instance);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	198 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	199
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	200 if (! instance)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	201 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	202 ::error ("unable to create w32_interrupt_manager");
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	203
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	204 retval = false;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	205 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	206
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	207 return retval;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	208 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	209
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	210 static void cleanup_instance (void) { delete instance; instance = 0; }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	211
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	212 private:
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	213 // A handle to the thread that is running the octave interpreter.
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	214 HANDLE thread;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	215
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	216 // The ID of the thread that is running the octave interpreter.
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	217 DWORD thread_id;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	218
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	219 static w32_interrupt_manager* instance;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	220 };
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	221
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	222 w32_interrupt_manager* w32_interrupt_manager::instance = 0;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	223
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	224 void w32_raise_sigint (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	225 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	226 w32_interrupt_manager::raise_sigint ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	227 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	228
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	229 #endif
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	230
11525 ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	231 // Signal handler return type.
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	232 #ifndef BADSIG
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	233 #define BADSIG (void (*)(int))-1
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	234 #endif
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	235
14338 1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	236 // The following is a workaround for an apparent bug in GCC 4.1.2 and
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	237 // possibly earlier versions. See Octave bug report #30685 for details.
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	238 #if defined (__GNUC__)
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	239 # if ! (__GNUC__ > 4 \
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	240 \|\| (__GNUC__ == 4 && (__GNUC_MINOR__ > 1 \
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	241 \|\| (__GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ > 2))))
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	242 # undef GNULIB_NAMESPACE
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	243 # define GNULIB_NAMESPACE
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	244 # warning "disabling GNULIB_NAMESPACE for signal functions -- consider upgrading to a current version of GCC"
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	245 # endif
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	246 #endif
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	247
11525 ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	248 #define BLOCK_SIGNAL(sig, nvar, ovar) \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	249 do \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	250 { \
14338 1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	251 GNULIB_NAMESPACE::sigemptyset (&nvar); \
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	252 GNULIB_NAMESPACE::sigaddset (&nvar, sig); \
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	253 GNULIB_NAMESPACE::sigemptyset (&ovar); \
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	254 GNULIB_NAMESPACE::sigprocmask (SIG_BLOCK, &nvar, &ovar); \
11525 ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	255 } \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	256 while (0)
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	257
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	258 #if !defined (SIGCHLD) && defined (SIGCLD)
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	259 #define SIGCHLD SIGCLD
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	260 #endif
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	261
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	262 #define BLOCK_CHILD(nvar, ovar) BLOCK_SIGNAL (SIGCHLD, nvar, ovar)
14338 1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	263 #define UNBLOCK_CHILD(ovar) GNULIB_NAMESPACE::sigprocmask (SIG_SETMASK, &ovar, 0)
11525 ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	264
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	265 // Called from octave_quit () to actually do something about the signals
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	266 // we have caught.
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	267
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	268 void
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	269 octave_signal_handler (void)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	270 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	271 // The list of signals is relatively short, so we will just go
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	272 // linearly through the list.
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	273
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	274 for (int i = 0; i < NSIG; i++)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	275 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	276 if (octave_signals_caught[i])
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	277 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	278 octave_signals_caught[i] = false;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	279
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	280 switch (i)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	281 {
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	282 #ifdef SIGCHLD
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	283 case SIGCHLD:
11555 f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	284 {
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	285 volatile octave_interrupt_handler saved_interrupt_handler
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	286 = octave_ignore_interrupts ();
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	287
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	288 sigset_t set, oset;
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	289
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	290 BLOCK_CHILD (set, oset);
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	291
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	292 octave_child_list::wait ();
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	293
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	294 octave_set_interrupt_handler (saved_interrupt_handler);
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	295
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	296 UNBLOCK_CHILD (oset);
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	297
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	298 octave_child_list::reap ();
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	299 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	300 break;
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	301 #endif
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	302
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	303 case SIGFPE:
14893 55d0f8d70fe9 shorten signal warnings John W. Eaton <jwe@octave.org> parents: 14889 diff changeset	304 std::cerr << "warning: floating point exception" << std::endl;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	305 break;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	306
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	307 #ifdef SIGPIPE
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	308 case SIGPIPE:
14893 55d0f8d70fe9 shorten signal warnings John W. Eaton <jwe@octave.org> parents: 14889 diff changeset	309 std::cerr << "warning: broken pipe" << std::endl;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	310 break;
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	311 #endif
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	312 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	313 }
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	314 }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	315 }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	316
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	317 static void
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	318 my_friendly_exit (const char *sig_name, int sig_number,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	319 bool save_vars = true)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	320 {
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	321 static bool been_there_done_that = false;
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	322
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	323 if (been_there_done_that)
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	324 {
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	325 #if defined (SIGABRT)
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	326 octave_set_signal_handler (SIGABRT, SIG_DFL);
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	327 #endif
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	328
3644 9add655e8b8c [project @ 2000-03-24 11:58:50 by jwe] jwe parents: 3566 diff changeset	329 std::cerr << "panic: attempted clean up apparently failed -- aborting...\n";
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	330
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	331 MINGW_SIGNAL_CLEANUP ();
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	332
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	333 abort ();
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	334 }
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	335 else
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	336 {
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	337 been_there_done_that = true;
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	338
3644 9add655e8b8c [project @ 2000-03-24 11:58:50 by jwe] jwe parents: 3566 diff changeset	339 std::cerr << "panic: " << sig_name << " -- stopping myself...\n";
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	340
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	341 if (save_vars)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	342 dump_octave_core ();
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	343
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3018 diff changeset	344 if (sig_number < 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	345 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	346 MINGW_SIGNAL_CLEANUP ();
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	347
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	348 exit (1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	349 }
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3018 diff changeset	350 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	351 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	352 octave_set_signal_handler (sig_number, SIG_DFL);
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3018 diff changeset	353
14338 1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	354 GNULIB_NAMESPACE::raise (sig_number);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	355 }
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	356 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	357 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	358
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	359 sig_handler *
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	360 octave_set_signal_handler (int sig, sig_handler *handler,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	361 bool restart_syscalls)
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	362 {
5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	363 struct sigaction act, oact;
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	364
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	365 act.sa_handler = handler;
5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	366 act.sa_flags = 0;
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	367
10344 65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	368 #if defined (SIGALRM)
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	369 if (sig == SIGALRM)
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	370 {
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	371 #if defined (SA_INTERRUPT)
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	372 act.sa_flags \|= SA_INTERRUPT;
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	373 #endif
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	374 }
10344 65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	375 #endif
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	376 #if defined (SA_RESTART)
10344 65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	377 #if defined (SIGALRM)
65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	378 else
65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	379 #endif
17861 870f3e12e163 maint: Use phrase "FIXME:" for problem areas in code. Rik <rik@octave.org> parents: 17787 diff changeset	380 // FIXME: Do we also need to explicitly disable SA_RESTART?
10344 65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	381 if (restart_syscalls)
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	382 act.sa_flags \|= SA_RESTART;
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	383 #endif
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	384
14338 1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	385 GNULIB_NAMESPACE::sigemptyset (&act.sa_mask);
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	386 GNULIB_NAMESPACE::sigemptyset (&oact.sa_mask);
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	387
14338 1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	388 GNULIB_NAMESPACE::sigaction (sig, &act, &oact);
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	389
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	390 return oact.sa_handler;
5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	391 }
5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	392
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	393 static void
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	394 generic_sig_handler (int sig)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	395 {
5844 034cdbd34c0a [project @ 2006-06-07 15:38:58 by jwe] jwe parents: 5823 diff changeset	396 my_friendly_exit (strsignal (sig), sig);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	397 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	398
2091 60f5e1c20815 [project @ 1996-04-28 08:32:39 by jwe] jwe parents: 2016 diff changeset	399 // Handle SIGCHLD.
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	400
4064 b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe] jwe parents: 3644 diff changeset	401 #ifdef SIGCHLD
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	402 static void
2092 a938192ff632 [project @ 1996-04-28 08:36:22 by jwe] jwe parents: 2091 diff changeset	403 sigchld_handler (int /* sig */)
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	404 {
11555 f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	405 octave_signal_caught = 1;
2626 b35a5cd8107f [project @ 1997-01-27 01:41:30 by jwe] jwe parents: 2600 diff changeset	406
11555 f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	407 octave_signals_caught[SIGCHLD] = true;
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	408 }
14861 f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory Rik <octave@nomad.inbox5.com> parents: 14443 diff changeset	409 #endif /* defined (SIGCHLD) */
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	410
4064 b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe] jwe parents: 3644 diff changeset	411 #ifdef SIGFPE
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	412 #if defined (__alpha__)
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	413 static void
1488 89c587478067 [project @ 1995-09-26 22:49:48 by jwe] jwe parents: 1446 diff changeset	414 sigfpe_handler (int /* sig */)
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	415 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	416 if (can_interrupt && octave_interrupt_state >= 0)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	417 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	418 octave_signal_caught = 1;
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	419
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	420 octave_signals_caught[SIGFPE] = true;
4182 4d1d7c51205c [project @ 2002-11-15 20:33:47 by jwe] jwe parents: 4181 diff changeset	421
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	422 octave_interrupt_state++;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	423 }
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	424 }
14861 f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory Rik <octave@nomad.inbox5.com> parents: 14443 diff changeset	425 #endif /* defined (__alpha__) */
f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory Rik <octave@nomad.inbox5.com> parents: 14443 diff changeset	426 #endif /* defined (SIGFPE) */
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	427
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	428 #if defined (SIGHUP) \|\| defined (SIGTERM)
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	429 static void
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	430 sig_hup_or_term_handler (int sig)
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	431 {
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	432 switch (sig)
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	433 {
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	434 #if defined (SIGHUP)
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	435 case SIGHUP:
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	436 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	437 if (Vsighup_dumps_octave_core)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	438 dump_octave_core ();
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	439 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	440 break;
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	441 #endif
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	442
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	443 #if defined (SIGTERM)
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	444 case SIGTERM:
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	445 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	446 if (Vsigterm_dumps_octave_core)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	447 dump_octave_core ();
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	448 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	449 break;
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	450 #endif
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	451
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	452 default:
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	453 break;
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	454 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	455
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	456 clean_up_and_exit (0);
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	457 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	458 #endif
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	459
3343 466d7a1cac01 [project @ 1999-11-05 19:34:29 by jwe] jwe parents: 3281 diff changeset	460 #if 0
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	461 #if defined (SIGWINCH)
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	462 static void
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	463 sigwinch_handler (int /* sig */)
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	464 {
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	465 command_editor::resize_terminal ();
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	466 }
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	467 #endif
3343 466d7a1cac01 [project @ 1999-11-05 19:34:29 by jwe] jwe parents: 3281 diff changeset	468 #endif
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	469
635 5338832d2cf6 [project @ 1994-08-23 17:57:20 by jwe] jwe parents: 529 diff changeset	470 // Handle SIGINT by restarting the parser (see octave.cc).
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	471 //
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	472 // This also has to work for SIGBREAK (on systems that have it), so we
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	473 // use the value of sig, instead of just assuming that it is called
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	474 // for SIGINT only.
635 5338832d2cf6 [project @ 1994-08-23 17:57:20 by jwe] jwe parents: 529 diff changeset	475
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	476 static void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	477 user_abort (const char *sig_name, int sig_number)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	478 {
4172 2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 4153 diff changeset	479 if (! octave_initialized)
2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 4153 diff changeset	480 exit (1);
2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 4153 diff changeset	481
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	482 if (can_interrupt)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	483 {
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	484 if (Vdebug_on_interrupt)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	485 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	486 if (! octave_debug_on_interrupt_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	487 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	488 tree_evaluator::debug_mode = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	489 octave_debug_on_interrupt_state = true;
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	490
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	491 return;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	492 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	493 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	494 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	495 // Clear the flag and do normal interrupt stuff.
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	496
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	497 tree_evaluator::debug_mode
10194 d4f813c3f5ed more debug mode fixes John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	498 = bp_table::have_breakpoints () \|\| Vdebugging;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	499 octave_debug_on_interrupt_state = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	500 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	501 }
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	502
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4092 diff changeset	503 if (octave_interrupt_immediately)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	504 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	505 if (octave_interrupt_state == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	506 octave_interrupt_state = 1;
7481 78f3811155f7 use exceptions in liboctave error handler John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	507
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	508 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	509 w32_interrupt_manager::octave_jump_to_enclosing_context ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	510 #else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	511 octave_jump_to_enclosing_context ();
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	512 #endif
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	513 }
4429 c1f6200b5f0e [project @ 2003-06-17 04:36:08 by jwe] jwe parents: 4294 diff changeset	514 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	515 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	516 // If we are already cleaning up from a previous interrupt,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	517 // take note of the fact that another interrupt signal has
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	518 // arrived.
4793 a62215ab8a03 [project @ 2004-02-20 20:59:34 by jwe] jwe parents: 4791 diff changeset	519
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	520 if (octave_interrupt_state < 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	521 octave_interrupt_state = 0;
4793 a62215ab8a03 [project @ 2004-02-20 20:59:34 by jwe] jwe parents: 4791 diff changeset	522
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	523 octave_signal_caught = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	524 octave_interrupt_state++;
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	525
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	526 if (interactive && octave_interrupt_state == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	527 std::cerr << "Press Control-C again to abort." << std::endl;
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	528
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	529 if (octave_interrupt_state >= 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	530 my_friendly_exit (sig_name, sig_number, true);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	531 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	532 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	533
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	534 }
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	535
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	536 static void
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	537 sigint_handler (int sig)
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	538 {
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	539 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	540 w32_interrupt_manager::user_abort (strsignal (sig), sig);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	541 #else
5844 034cdbd34c0a [project @ 2006-06-07 15:38:58 by jwe] jwe parents: 5823 diff changeset	542 user_abort (strsignal (sig), sig);
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	543 #endif
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	544 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	545
4064 b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe] jwe parents: 3644 diff changeset	546 #ifdef SIGPIPE
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	547 static void
1488 89c587478067 [project @ 1995-09-26 22:49:48 by jwe] jwe parents: 1446 diff changeset	548 sigpipe_handler (int /* sig */)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	549 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	550 octave_signal_caught = 1;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	551
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	552 octave_signals_caught[SIGPIPE] = true;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	553
1358 dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe] jwe parents: 1352 diff changeset	554 // Don't loop forever on account of this.
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe] jwe parents: 1352 diff changeset	555
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	556 if (pipe_handler_error_count++ > 100 && octave_interrupt_state >= 0)
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	557 octave_interrupt_state++;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	558 }
14861 f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory Rik <octave@nomad.inbox5.com> parents: 14443 diff changeset	559 #endif /* defined (SIGPIPE) */
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	560
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	561 octave_interrupt_handler
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	562 octave_catch_interrupts (void)
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	563 {
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	564 octave_interrupt_handler retval;
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	565
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	566 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	567 w32_interrupt_manager::init ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	568 #endif
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	569
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	570 #ifdef SIGINT
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	571 retval.int_handler = octave_set_signal_handler (SIGINT, sigint_handler);
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	572 #endif
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	573
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	574 #ifdef SIGBREAK
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	575 retval.brk_handler = octave_set_signal_handler (SIGBREAK, sigint_handler);
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	576 #endif
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	577
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	578 return retval;
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	579 }
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	580
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	581 octave_interrupt_handler
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	582 octave_ignore_interrupts (void)
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	583 {
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	584 octave_interrupt_handler retval;
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	585
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	586 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	587 w32_interrupt_manager::init ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	588 #endif
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	589
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	590 #ifdef SIGINT
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	591 retval.int_handler = octave_set_signal_handler (SIGINT, SIG_IGN);
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	592 #endif
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	593
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	594 #ifdef SIGBREAK
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	595 retval.brk_handler = octave_set_signal_handler (SIGBREAK, SIG_IGN);
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	596 #endif
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	597
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	598 return retval;
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	599 }
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	600
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	601 octave_interrupt_handler
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	602 octave_set_interrupt_handler (const volatile octave_interrupt_handler& h,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	603 bool restart_syscalls)
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	604 {
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	605 octave_interrupt_handler retval;
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	606
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	607 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	608 w32_interrupt_manager::init ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	609 #endif
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	610
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	611 #ifdef SIGINT
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	612 retval.int_handler = octave_set_signal_handler (SIGINT, h.int_handler,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	613 restart_syscalls);
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	614 #endif
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	615
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	616 #ifdef SIGBREAK
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	617 retval.brk_handler = octave_set_signal_handler (SIGBREAK, h.brk_handler,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	618 restart_syscalls);
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	619 #endif
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	620
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	621 return retval;
1651 e846e361a265 [project @ 1995-12-20 06:59:12 by jwe] jwe parents: 1618 diff changeset	622 }
e846e361a265 [project @ 1995-12-20 06:59:12 by jwe] jwe parents: 1618 diff changeset	623
635 5338832d2cf6 [project @ 1994-08-23 17:57:20 by jwe] jwe parents: 529 diff changeset	624 // Install all the handlers for the signals we might care about.
5338832d2cf6 [project @ 1994-08-23 17:57:20 by jwe] jwe parents: 529 diff changeset	625
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	626 void
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	627 install_signal_handlers (void)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	628 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	629 for (int i = 0; i < NSIG; i++)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	630 octave_signals_caught[i] = false;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	631
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	632 octave_catch_interrupts ();
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	633
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	634 #ifdef SIGABRT
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	635 octave_set_signal_handler (SIGABRT, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	636 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	637
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	638 #ifdef SIGALRM
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	639 octave_set_signal_handler (SIGALRM, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	640 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	641
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	642 #ifdef SIGBUS
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	643 octave_set_signal_handler (SIGBUS, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	644 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	645
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	646 #ifdef SIGCHLD
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	647 octave_set_signal_handler (SIGCHLD, sigchld_handler);
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	648 #endif
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	649
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	650 // SIGCLD
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	651 // SIGCONT
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	652
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	653 #ifdef SIGEMT
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	654 octave_set_signal_handler (SIGEMT, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	655 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	656
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	657 #ifdef SIGFPE
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	658 #if defined (__alpha__)
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	659 octave_set_signal_handler (SIGFPE, sigfpe_handler);
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	660 #else
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	661 octave_set_signal_handler (SIGFPE, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	662 #endif
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	663 #endif
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	664
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	665 #ifdef SIGHUP
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	666 octave_set_signal_handler (SIGHUP, sig_hup_or_term_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	667 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	668
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	669 #ifdef SIGILL
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	670 octave_set_signal_handler (SIGILL, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	671 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	672
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	673 // SIGINFO
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	674 // SIGINT
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	675
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	676 #ifdef SIGIOT
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	677 octave_set_signal_handler (SIGIOT, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	678 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	679
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	680 #ifdef SIGLOST
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	681 octave_set_signal_handler (SIGLOST, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	682 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	683
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	684 #ifdef SIGPIPE
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	685 octave_set_signal_handler (SIGPIPE, sigpipe_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	686 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	687
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	688 #ifdef SIGPOLL
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	689 octave_set_signal_handler (SIGPOLL, SIG_IGN);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	690 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	691
5866 f9ac7ebf0e19 [project @ 2006-06-28 16:05:22 by jwe] jwe parents: 5844 diff changeset	692 // SIGPROF
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	693 // SIGPWR
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	694
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	695 #ifdef SIGQUIT
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	696 octave_set_signal_handler (SIGQUIT, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	697 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	698
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	699 #ifdef SIGSEGV
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	700 octave_set_signal_handler (SIGSEGV, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	701 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	702
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	703 // SIGSTOP
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	704
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	705 #ifdef SIGSYS
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	706 octave_set_signal_handler (SIGSYS, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	707 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	708
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	709 #ifdef SIGTERM
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	710 octave_set_signal_handler (SIGTERM, sig_hup_or_term_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	711 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	712
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	713 #ifdef SIGTRAP
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	714 octave_set_signal_handler (SIGTRAP, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	715 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	716
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	717 // SIGTSTP
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	718 // SIGTTIN
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	719 // SIGTTOU
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	720 // SIGURG
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	721
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	722 #ifdef SIGUSR1
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	723 octave_set_signal_handler (SIGUSR1, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	724 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	725
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	726 #ifdef SIGUSR2
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	727 octave_set_signal_handler (SIGUSR2, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	728 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	729
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	730 #ifdef SIGVTALRM
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	731 octave_set_signal_handler (SIGVTALRM, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	732 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	733
895 05654cdcfc95 [project @ 1994-11-09 15:30:06 by jwe] jwe parents: 886 diff changeset	734 #ifdef SIGIO
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	735 octave_set_signal_handler (SIGIO, SIG_IGN);
895 05654cdcfc95 [project @ 1994-11-09 15:30:06 by jwe] jwe parents: 886 diff changeset	736 #endif
05654cdcfc95 [project @ 1994-11-09 15:30:06 by jwe] jwe parents: 886 diff changeset	737
3343 466d7a1cac01 [project @ 1999-11-05 19:34:29 by jwe] jwe parents: 3281 diff changeset	738 #if 0
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	739 #ifdef SIGWINCH
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	740 octave_set_signal_handler (SIGWINCH, sigwinch_handler);
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	741 #endif
3343 466d7a1cac01 [project @ 1999-11-05 19:34:29 by jwe] jwe parents: 3281 diff changeset	742 #endif
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	743
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	744 #ifdef SIGXCPU
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	745 octave_set_signal_handler (SIGXCPU, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	746 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	747
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	748 #ifdef SIGXFSZ
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	749 octave_set_signal_handler (SIGXFSZ, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	750 #endif
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	751
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	752 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	753
11066 e678346a47d9 toplev.cc, sighandlers.cc, utils.cc, octave.cc, pt-eval.cc pt-idx.cc: Octave_map to octave_map and octave_scalar_map conversion John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	754 static octave_scalar_map
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	755 make_sig_struct (void)
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	756 {
11066 e678346a47d9 toplev.cc, sighandlers.cc, utils.cc, octave.cc, pt-eval.cc pt-idx.cc: Octave_map to octave_map and octave_scalar_map conversion John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	757 octave_scalar_map m;
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	758
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	759 #ifdef SIGABRT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	760 m.assign ("ABRT", SIGABRT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	761 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	762
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	763 #ifdef SIGALRM
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	764 m.assign ("ALRM", SIGALRM);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	765 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	766
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	767 #ifdef SIGBUS
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	768 m.assign ("BUS", SIGBUS);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	769 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	770
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	771 #ifdef SIGCHLD
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	772 m.assign ("CHLD", SIGCHLD);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	773 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	774
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	775 #ifdef SIGCLD
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	776 m.assign ("CLD", SIGCLD);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	777 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	778
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	779 #ifdef SIGCONT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	780 m.assign ("CONT", SIGCONT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	781 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	782
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	783 #ifdef SIGEMT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	784 m.assign ("EMT", SIGEMT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	785 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	786
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	787 #ifdef SIGFPE
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	788 m.assign ("FPE", SIGFPE);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	789 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	790
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	791 #ifdef SIGHUP
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	792 m.assign ("HUP", SIGHUP);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	793 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	794
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	795 #ifdef SIGILL
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	796 m.assign ("ILL", SIGILL);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	797 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	798
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	799 #ifdef SIGINFO
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	800 m.assign ("INFO", SIGINFO);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	801 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	802
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	803 #ifdef SIGINT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	804 m.assign ("INT", SIGINT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	805 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	806
16706 736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	807 #ifdef SIGIO
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	808 m.assign ("IO", SIGIO);
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	809 #endif
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	810
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	811 #ifdef SIGIOT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	812 m.assign ("IOT", SIGIOT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	813 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	814
16706 736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	815 #ifdef SIGKILL
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	816 m.assign ("KILL", SIGKILL);
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	817 #endif
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	818
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	819 #ifdef SIGLOST
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	820 m.assign ("LOST", SIGLOST);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	821 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	822
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	823 #ifdef SIGPIPE
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	824 m.assign ("PIPE", SIGPIPE);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	825 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	826
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	827 #ifdef SIGPOLL
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	828 m.assign ("POLL", SIGPOLL);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	829 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	830
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	831 #ifdef SIGPROF
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	832 m.assign ("PROF", SIGPROF);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	833 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	834
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	835 #ifdef SIGPWR
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	836 m.assign ("PWR", SIGPWR);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	837 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	838
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	839 #ifdef SIGQUIT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	840 m.assign ("QUIT", SIGQUIT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	841 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	842
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	843 #ifdef SIGSEGV
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	844 m.assign ("SEGV", SIGSEGV);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	845 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	846
16706 736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	847 #ifdef SIGSTKFLT
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	848 m.assign ("STKFLT", SIGSTKFLT);
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	849 #endif
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	850
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	851 #ifdef SIGSTOP
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	852 m.assign ("STOP", SIGSTOP);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	853 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	854
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	855 #ifdef SIGSYS
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	856 m.assign ("SYS", SIGSYS);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	857 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	858
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	859 #ifdef SIGTERM
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	860 m.assign ("TERM", SIGTERM);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	861 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	862
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	863 #ifdef SIGTRAP
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	864 m.assign ("TRAP", SIGTRAP);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	865 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	866
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	867 #ifdef SIGTSTP
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	868 m.assign ("TSTP", SIGTSTP);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	869 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	870
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	871 #ifdef SIGTTIN
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	872 m.assign ("TTIN", SIGTTIN);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	873 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	874
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	875 #ifdef SIGTTOU
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	876 m.assign ("TTOU", SIGTTOU);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	877 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	878
16706 736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	879 #ifdef SIGUNUSED
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	880 m.assign ("UNUSED", SIGUNUSED);
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	881 #endif
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	882
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	883 #ifdef SIGURG
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	884 m.assign ("URG", SIGURG);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	885 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	886
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	887 #ifdef SIGUSR1
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	888 m.assign ("USR1", SIGUSR1);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	889 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	890
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	891 #ifdef SIGUSR2
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	892 m.assign ("USR2", SIGUSR2);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	893 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	894
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	895 #ifdef SIGVTALRM
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	896 m.assign ("VTALRM", SIGVTALRM);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	897 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	898
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	899 #ifdef SIGWINCH
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	900 m.assign ("WINCH", SIGWINCH);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	901 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	902
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	903 #ifdef SIGXCPU
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	904 m.assign ("XCPU", SIGXCPU);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	905 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	906
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	907 #ifdef SIGXFSZ
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	908 m.assign ("XFSZ", SIGXFSZ);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	909 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	910
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	911 return m;
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	912 }
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	913
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	914 octave_child_list::octave_child_list_rep *octave_child_list::instance = 0;
5128 2c4b08ace285 [project @ 2005-02-04 21:41:38 by jwe] jwe parents: 4793 diff changeset	915
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	916 bool
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	917 octave_child_list::instance_ok (void)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	918 {
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	919 bool retval = true;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	920
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	921 if (! instance)
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	922 {
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	923 instance = new octave_child_list_rep ();
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	924
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	925 if (instance)
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	926 singleton_cleanup_list::add (cleanup_instance);
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	927 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	928
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	929 if (! instance)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	930 {
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	931 ::error ("unable to create child list object!");
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	932
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	933 retval = false;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	934 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	935
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	936 return retval;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	937 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	938
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	939 void
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	940 octave_child_list::insert (pid_t pid, octave_child::child_event_handler f)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	941 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	942 if (instance_ok ())
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	943 instance->insert (pid, f);
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	944 }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	945
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	946 void
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	947 octave_child_list::reap (void)
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	948 {
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	949 if (instance_ok ())
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	950 instance->reap ();
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	951 }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	952
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	953 bool
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	954 octave_child_list::wait (void)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	955 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	956 return (instance_ok ()) ? instance->wait () : false;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	957 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	958
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	959 class pid_equal
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	960 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	961 public:
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	962
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	963 pid_equal (pid_t v) : val (v) { }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	964
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	965 bool operator () (const octave_child& oc) const { return oc.pid == val; }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	966
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	967 private:
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	968
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	969 pid_t val;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	970 };
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	971
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	972 void
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	973 octave_child_list::remove (pid_t pid)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	974 {
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	975 if (instance_ok ())
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	976 instance->remove_if (pid_equal (pid));
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	977 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	978
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	979 #define OCL_REP octave_child_list::octave_child_list_rep
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	980
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	981 void
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	982 OCL_REP::insert (pid_t pid, octave_child::child_event_handler f)
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	983 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	984 append (octave_child (pid, f));
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	985 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	986
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	987 void
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	988 OCL_REP::reap (void)
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	989 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	990 // Mark the record for PID invalid.
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	991
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	992 for (iterator p = begin (); p != end (); p++)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	993 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	994 // The call to the octave_child::child_event_handler might
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	995 // invalidate the iterator (for example, by calling
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	996 // octave_child_list::remove), so we increment the iterator
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	997 // here.
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	998
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	999 octave_child& oc = *p;
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	1000
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1001 if (oc.have_status)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1002 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1003 oc.have_status = 0;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1004
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1005 octave_child::child_event_handler f = oc.handler;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1006
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1007 if (f && f (oc.pid, oc.status))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1008 oc.pid = -1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1009 }
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	1010 }
859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	1011
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1012 remove_if (pid_equal (-1));
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	1013 }
859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	1014
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1015 // Wait on our children and record any changes in their status.
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1016
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1017 bool
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1018 OCL_REP::wait (void)
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1019 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1020 bool retval = false;
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1021
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1022 for (iterator p = begin (); p != end (); p++)
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1023 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1024 octave_child& oc = *p;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1025
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1026 pid_t pid = oc.pid;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1027
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1028 if (pid > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1029 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1030 int status;
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1031
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1032 if (octave_syscalls::waitpid (pid, &status, WNOHANG) > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1033 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1034 oc.have_status = 1;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1035
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1036 oc.status = status;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1037
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1038 retval = true;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1039
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1040 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1041 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1042 }
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1043 }
a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1044
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1045 return retval;
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1046 }
a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1047
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1048 DEFUN (SIG, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17778 diff changeset	1049 "-- texinfo --\n\
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1050 @deftypefn {Built-in Function} {} SIG ()\n\
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1051 Return a structure containing Unix signal names and their defined values.\n\
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1052 @end deftypefn")
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1053 {
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1054 octave_value retval;
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1055
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1056 if (args.length () == 0)
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1057 {
11066 e678346a47d9 toplev.cc, sighandlers.cc, utils.cc, octave.cc, pt-eval.cc pt-idx.cc: Octave_map to octave_map and octave_scalar_map conversion John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1058 static octave_scalar_map m = make_sig_struct ();
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1059
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1060 retval = m;
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1061 }
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1062 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	1063 print_usage ();
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1064
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1065 return retval;
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1066 }
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1067
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1068 /*
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1069 %!assert (isstruct (SIG ()))
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1070 %!assert (! isempty (SIG ()))
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1071
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1072 %!error SIG (1)
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1073 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1074
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1075 DEFUN (debug_on_interrupt, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17778 diff changeset	1076 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10411 diff changeset	1077 @deftypefn {Built-in Function} {@var{val} =} debug_on_interrupt ()\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1078 @deftypefnx {Built-in Function} {@var{old_val} =} debug_on_interrupt (@var{new_val})\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1079 @deftypefnx {Built-in Function} {} debug_on_interrupt (@var{new_val}, \"local\")\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1080 Query or set the internal variable that controls whether Octave will try\n\
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1081 to enter debugging mode when it receives an interrupt signal (typically\n\
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1082 generated with @kbd{C-c}). If a second interrupt signal is received\n\
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1083 before reaching the debugging mode, a normal interrupt will occur.\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1084 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1085 When called from inside a function with the @qcode{\"local\"} option, the\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1086 variable is changed locally for the function and any subroutines it calls. \n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1087 The original variable value is restored when exiting the function.\n\
15573 63d024333bee doc: Add seealso links between debug_on_XXX functions (bug #37576) Rik <rik@octave.org> parents: 14338 diff changeset	1088 @seealso{debug_on_error, debug_on_warning}\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1089 @end deftypefn")
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	1090 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1091 return SET_INTERNAL_VARIABLE (debug_on_interrupt);
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	1092 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	1093
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1094 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1095 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1096 %! orig_val = debug_on_interrupt ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1097 %! old_val = debug_on_interrupt (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1098 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1099 %! assert (debug_on_interrupt (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1100 %! debug_on_interrupt (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1101 %! assert (debug_on_interrupt (), orig_val);
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1102
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1103 %!error (debug_on_interrupt (1, 2))
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1104 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1105
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1106 DEFUN (sighup_dumps_octave_core, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17778 diff changeset	1107 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10411 diff changeset	1108 @deftypefn {Built-in Function} {@var{val} =} sighup_dumps_octave_core ()\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1109 @deftypefnx {Built-in Function} {@var{old_val} =} sighup_dumps_octave_core (@var{new_val})\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1110 @deftypefnx {Built-in Function} {} sighup_dumps_octave_core (@var{new_val}, \"local\")\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1111 Query or set the internal variable that controls whether Octave tries\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1112 to save all current variables to the file @file{octave-workspace} if it\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1113 receives a hangup signal.\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1114 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1115 When called from inside a function with the @qcode{\"local\"} option, the\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1116 variable is changed locally for the function and any subroutines it calls. \n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1117 The original variable value is restored when exiting the function.\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1118 @end deftypefn")
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	1119 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1120 return SET_INTERNAL_VARIABLE (sighup_dumps_octave_core);
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1121 }
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	1122
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1123 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1124 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1125 %! orig_val = sighup_dumps_octave_core ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1126 %! old_val = sighup_dumps_octave_core (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1127 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1128 %! assert (sighup_dumps_octave_core (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1129 %! sighup_dumps_octave_core (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1130 %! assert (sighup_dumps_octave_core (), orig_val);
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1131
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1132 %!error (sighup_dumps_octave_core (1, 2))
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1133 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1134
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1135 DEFUN (sigterm_dumps_octave_core, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17778 diff changeset	1136 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10411 diff changeset	1137 @deftypefn {Built-in Function} {@var{val} =} sigterm_dumps_octave_core ()\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1138 @deftypefnx {Built-in Function} {@var{old_val} =} sigterm_dumps_octave_core (@var{new_val})\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1139 @deftypefnx {Built-in Function} {} sigterm_dumps_octave_core (@var{new_val}, \"local\")\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1140 Query or set the internal variable that controls whether Octave tries\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1141 to save all current variables to the file @file{octave-workspace} if it\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1142 receives a terminate signal.\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1143 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1144 When called from inside a function with the @qcode{\"local\"} option, the\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1145 variable is changed locally for the function and any subroutines it calls. \n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1146 The original variable value is restored when exiting the function.\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1147 @end deftypefn")
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1148 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1149 return SET_INTERNAL_VARIABLE (sigterm_dumps_octave_core);
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	1150 }
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1151
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1152 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1153 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1154 %! orig_val = sigterm_dumps_octave_core ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1155 %! old_val = sigterm_dumps_octave_core (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1156 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1157 %! assert (sigterm_dumps_octave_core (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1158 %! sigterm_dumps_octave_core (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1159 %! assert (sigterm_dumps_octave_core (), orig_val);
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1160
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1161 %!error (sigterm_dumps_octave_core (1, 2))
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1162 */

Mercurial > hg > octave-nkf

annotate libinterp/corefcn/sighandlers.cc @ 19069:afab3a2f57e7