octave-nkf: src/sighandlers.cc annotate

annotate src/sighandlers.cc @ 13983:7dd7cccf0757

clean up memory allocated for singletons before exit * singleton-cleanup.h, singleton-cleanup.cc: New files. * liboctave/Makefile.am (INCS, LIBOCTAVE_CXX_SOURCES): Add them to the lists. * toplev.cc (clean_up_and_exit): Call singleton_cleanup_list::cleanup. * debug.h, debug.cc (bp_table::instance_ok): Move definition to debug.cc. * coment-list.h (octave_comment_buffer::~octave_comment_buffer): Define destructor for class. * ov-typeinfo.h (octave_value_typeinfo::~octave_value_typeinfo): Likewise. * cmd-edit.h (command_editor::cleanup_instance): New function. * cmd-hist.h (command_history::cleanup_instance): New function. * file-ops.h (file_ops::cleanup_instance): New function. * mach-info.h (oct_mach_info::cleanup_instance): New function. * oct-env.h (octave_env::cleanup_instance): New function. * oct-fftw.h (octave_fftw_planner::cleanup_instance): New function. * oct-rand.h (octave_rand::cleanup_instance): New function. * oct-spparms.h (octave_sparse_params::cleanup_instance): New function. * pathsearch.h (static_members::cleanup_instance): New function. * comment-list.h (octave_comment_buffer::cleanup_instance): New function. * debug.h (bp_table::cleanup_instance): New function. * display.h (display_info::cleanup_instance): New function. * dynamic-ld.cc (octave_shlib_list::cleanup_instance, octave_mex_file_list::cleanup_instance): New functions. * dynamic-ld.h (octave_dynamic_loader::cleanup_instance): New function. * load-path.h (load_path::cleanup_instance): New function. * oct-stream.h (octave_stream_list::cleanup_instance): New function. * ov-typeinfo.h (octave_value_typeinfo::cleanup_instance): New function. * pager.h, pager.cc (octave_pager_stream::instance_ok, octave_pager_stream::cleanup_instance): New functions. (octave_diary_stream::instance_ok, octave_diary_stream::cleanup_instance): New functions. * sighandlers.h (octave_child_list::cleanup_instance): New function. * toplev.h (octave_call_stack * pager.cc (octave_pager_stream::stream, octave_diary_stream::stream): Use instance_ok to create instance. * toplev.h (octave_call_stack::cleanup_instance): New function. * cmd-edit.cc (command_editor::instance_ok): Register cleanup function. * cmd-hist.cc (command_history::instance_ok): Likewise. * file-ops.cc (file_ops::instance_ok): Likewise. * mach-info.cc (oct_mach_info::instance_ok): Likewise. * oct-env.cc (octave_env::instance_ok): Likewise. * oct-fftw.cc (octave_fftw_planner::instance_ok): Likewise. * oct-rand.cc (octave_rand::instance_ok): Likewise. * oct-spparms.cc (octave_sparse_params::instance_ok): Likewise. * pathsearch.cc (dir_path::static_members::instance_ok): Likewise. * comment-list.cc (comment_list::instance_ok): Likewise. * debug.cc (bp_table::instance_ok): Likewise. * display.cc (display_info::instance_ok): Likewise. * dynamic-ld.cc (octave_shlib_list::instance_ok, octave_mex_file_list::instance_ok, octave_dynamic_loader): Likewise. * load-path.cc (load_path::instance_ok): Likewise. * oct-stream.cc (octave_stream_list::instance_ok): Likewise. * ov-typeinfo.cc (octave_value_typeinfo::instance_ok): Likewise. * sighandlers.cc (octave_child_list::instance_ok): Likewise. * symtab.h, symtab.cc (symbol_table::scope_id::create_instance): New function. * symtab.h (symbol_table::scope_id::instance_ok): Call create_instance. * toplev.h, toplev.cc (octave_call_stack::create_instance): New function. * toplev.cc (octave_call_stack::instance_ok): Call create_instance. * pager.h, pager.cc (octave_pager_stream::set_diary_skip, octave_pager_stream::flush_current_contents_to_diary): Now static. octave_pager_stream::do_set_diary_skip, octave_pager_stream::do_flush_current_contents_to_diary): New functions. (octave_pager_stream::stream): Return std::ostream&, not octave_pager_stream&. If instance creation fails, return std::cout. (octave_diary_stream::stream): Return std::ostream&, not octave_diary_stream&. If instance creation fails, return std::cout. (octave_pager_stream::do_reset, octave_diary_stream::do_reset): Use instance_ok to create instance.

author	John W. Eaton <jwe@octave.org>
date	Sat, 03 Dec 2011 04:34:17 -0500
parents	79aa00a94e9e
children	72c96de7a403

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
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11231 diff changeset	3 Copyright (C) 1993-2011 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.
8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	64 static bool Vdebug_on_interrupt = false;
8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	65
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	66 // Allow users to avoid writing octave-core for SIGHUP (sent by
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
11525 ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	77 // Signal handler return type.
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	78 #ifndef BADSIG
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	79 #define BADSIG (void (*)(int))-1
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	80 #endif
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	81
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	82 #define BLOCK_SIGNAL(sig, nvar, ovar) \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	83 do \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	84 { \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	85 gnulib::sigemptyset (&nvar); \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	86 gnulib::sigaddset (&nvar, sig); \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	87 gnulib::sigemptyset (&ovar); \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	88 gnulib::sigprocmask (SIG_BLOCK, &nvar, &ovar); \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	89 } \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	90 while (0)
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	91
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	92 #if !defined (SIGCHLD) && defined (SIGCLD)
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	93 #define SIGCHLD SIGCLD
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	94 #endif
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	95
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	96 #define BLOCK_CHILD(nvar, ovar) BLOCK_SIGNAL (SIGCHLD, nvar, ovar)
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	97 #define UNBLOCK_CHILD(ovar) gnulib::sigprocmask (SIG_SETMASK, &ovar, 0)
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	98
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	99 // 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	100 // we have caught.
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	101
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	102 void
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	103 octave_signal_handler (void)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	104 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	105 // 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	106 // linearly through the list.
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	107
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	108 for (int i = 0; i < NSIG; i++)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	109 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	110 if (octave_signals_caught[i])
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	111 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	112 octave_signals_caught[i] = false;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	113
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	114 switch (i)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	115 {
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	116 #ifdef SIGCHLD
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	117 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	118 {
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	119 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	120 = 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	121
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	122 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	123
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	124 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	125
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	126 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	127
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	128 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	129
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	130 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	131
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	132 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	133 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	134 break;
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	135 #endif
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	136
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	137 case SIGFPE:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	138 std::cerr << "warning: floating point exception -- trying to return to prompt" << std::endl;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	139 break;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	140
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	141 #ifdef SIGPIPE
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	142 case SIGPIPE:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	143 std::cerr << "warning: broken pipe -- some output may be lost" << std::endl;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	144 break;
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	145 #endif
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	146 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	147 }
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	148 }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	149 }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	150
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	151 static void
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	152 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	153 bool save_vars = true)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	154 {
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	155 static bool been_there_done_that = false;
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	156
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	157 if (been_there_done_that)
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	158 {
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	159 #if defined (SIGABRT)
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	160 octave_set_signal_handler (SIGABRT, SIG_DFL);
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	161 #endif
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	162
3644 9add655e8b8c [project @ 2000-03-24 11:58:50 by jwe] jwe parents: 3566 diff changeset	163 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	164
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	165 MINGW_SIGNAL_CLEANUP ();
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	166
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	167 abort ();
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	168 }
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	169 else
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	170 {
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	171 been_there_done_that = true;
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	172
3644 9add655e8b8c [project @ 2000-03-24 11:58:50 by jwe] jwe parents: 3566 diff changeset	173 std::cerr << "panic: " << sig_name << " -- stopping myself...\n";
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	174
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	175 if (save_vars)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	176 dump_octave_core ();
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	177
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3018 diff changeset	178 if (sig_number < 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	179 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	180 MINGW_SIGNAL_CLEANUP ();
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	181
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	182 exit (1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	183 }
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3018 diff changeset	184 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	185 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	186 octave_set_signal_handler (sig_number, SIG_DFL);
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3018 diff changeset	187
4092 01f46b36e11f [project @ 2002-10-07 16:13:22 by jwe] jwe parents: 4064 diff changeset	188 #if defined (HAVE_RAISE)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	189 raise (sig_number);
4092 01f46b36e11f [project @ 2002-10-07 16:13:22 by jwe] jwe parents: 4064 diff changeset	190 #elif defined (HAVE_KILL)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	191 kill (getpid (), sig_number);
4092 01f46b36e11f [project @ 2002-10-07 16:13:22 by jwe] jwe parents: 4064 diff changeset	192 #else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	193 exit (1);
4092 01f46b36e11f [project @ 2002-10-07 16:13:22 by jwe] jwe parents: 4064 diff changeset	194 #endif
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	195 }
4092 01f46b36e11f [project @ 2002-10-07 16:13:22 by jwe] jwe parents: 4064 diff changeset	196
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	197 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	198 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	199
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	200 sig_handler *
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	201 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	202 bool restart_syscalls)
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	203 {
5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	204 struct sigaction act, oact;
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	205
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	206 act.sa_handler = handler;
5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	207 act.sa_flags = 0;
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	208
10344 65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	209 #if defined (SIGALRM)
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	210 if (sig == SIGALRM)
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	211 {
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	212 #if defined (SA_INTERRUPT)
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	213 act.sa_flags \|= SA_INTERRUPT;
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	214 #endif
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	215 }
10344 65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	216 #endif
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	217 #if defined (SA_RESTART)
10344 65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	218 #if defined (SIGALRM)
65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	219 else
65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	220 #endif
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5770 diff changeset	221 // 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	222 if (restart_syscalls)
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	223 act.sa_flags \|= SA_RESTART;
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	224 #endif
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	225
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10344 diff changeset	226 gnulib::sigemptyset (&act.sa_mask);
479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10344 diff changeset	227 gnulib::sigemptyset (&oact.sa_mask);
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	228
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10344 diff changeset	229 gnulib::sigaction (sig, &act, &oact);
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	230
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	231 return oact.sa_handler;
5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	232 }
5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	233
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	234 static void
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	235 generic_sig_handler (int sig)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	236 {
5844 034cdbd34c0a [project @ 2006-06-07 15:38:58 by jwe] jwe parents: 5823 diff changeset	237 my_friendly_exit (strsignal (sig), sig);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	238 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	239
2091 60f5e1c20815 [project @ 1996-04-28 08:32:39 by jwe] jwe parents: 2016 diff changeset	240 // Handle SIGCHLD.
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	241
4064 b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe] jwe parents: 3644 diff changeset	242 #ifdef SIGCHLD
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	243 static void
2092 a938192ff632 [project @ 1996-04-28 08:36:22 by jwe] jwe parents: 2091 diff changeset	244 sigchld_handler (int /* sig */)
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	245 {
11555 f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	246 octave_signal_caught = 1;
2626 b35a5cd8107f [project @ 1997-01-27 01:41:30 by jwe] jwe parents: 2600 diff changeset	247
11555 f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	248 octave_signals_caught[SIGCHLD] = true;
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	249 }
4064 b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe] jwe parents: 3644 diff changeset	250 #endif /* defined(SIGCHLD) */
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	251
4064 b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe] jwe parents: 3644 diff changeset	252 #ifdef SIGFPE
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	253 #if defined (__alpha__)
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	254 static void
1488 89c587478067 [project @ 1995-09-26 22:49:48 by jwe] jwe parents: 1446 diff changeset	255 sigfpe_handler (int /* sig */)
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	256 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	257 if (can_interrupt && octave_interrupt_state >= 0)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	258 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	259 octave_signal_caught = 1;
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	260
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	261 octave_signals_caught[SIGFPE] = true;
4182 4d1d7c51205c [project @ 2002-11-15 20:33:47 by jwe] jwe parents: 4181 diff changeset	262
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	263 octave_interrupt_state++;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	264 }
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	265 }
4064 b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe] jwe parents: 3644 diff changeset	266 #endif /* defined(__alpha__) */
b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe] jwe parents: 3644 diff changeset	267 #endif /* defined(SIGFPE) */
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	268
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	269 #if defined (SIGHUP) \|\| defined (SIGTERM)
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	270 static void
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	271 sig_hup_or_term_handler (int sig)
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	272 {
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	273 switch (sig)
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	274 {
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	275 #if defined (SIGHUP)
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	276 case SIGHUP:
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	277 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	278 if (Vsighup_dumps_octave_core)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	279 dump_octave_core ();
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	280 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	281 break;
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	282 #endif
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	283
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	284 #if defined (SIGTERM)
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	285 case SIGTERM:
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	286 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	287 if (Vsigterm_dumps_octave_core)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	288 dump_octave_core ();
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	289 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	290 break;
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	291 #endif
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	292
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	293 default:
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	294 break;
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	295 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	296
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	297 clean_up_and_exit (0);
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	298 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	299 #endif
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	300
3343 466d7a1cac01 [project @ 1999-11-05 19:34:29 by jwe] jwe parents: 3281 diff changeset	301 #if 0
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	302 #if defined (SIGWINCH)
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	303 static void
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	304 sigwinch_handler (int /* sig */)
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	305 {
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	306 command_editor::resize_terminal ();
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	307 }
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	308 #endif
3343 466d7a1cac01 [project @ 1999-11-05 19:34:29 by jwe] jwe parents: 3281 diff changeset	309 #endif
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	310
635 5338832d2cf6 [project @ 1994-08-23 17:57:20 by jwe] jwe parents: 529 diff changeset	311 // 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	312 //
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	313 // 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	314 // 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	315 // for SIGINT only.
635 5338832d2cf6 [project @ 1994-08-23 17:57:20 by jwe] jwe parents: 529 diff changeset	316
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	317 static void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	318 user_abort (const char *sig_name, int sig_number)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	319 {
4172 2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 4153 diff changeset	320 if (! octave_initialized)
2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 4153 diff changeset	321 exit (1);
2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 4153 diff changeset	322
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	323 if (can_interrupt)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	324 {
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	325 if (Vdebug_on_interrupt)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	326 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	327 if (! octave_debug_on_interrupt_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	328 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	329 tree_evaluator::debug_mode = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	330 octave_debug_on_interrupt_state = true;
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	331
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	332 return;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	333 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	334 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	335 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	336 // 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	337
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	338 tree_evaluator::debug_mode
10194 d4f813c3f5ed more debug mode fixes John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	339 = bp_table::have_breakpoints () \|\| Vdebugging;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	340 octave_debug_on_interrupt_state = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	341 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	342 }
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	343
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4092 diff changeset	344 if (octave_interrupt_immediately)
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 if (octave_interrupt_state == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	347 octave_interrupt_state = 1;
7481 78f3811155f7 use exceptions in liboctave error handler John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	348
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	349 octave_jump_to_enclosing_context ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	350 }
4429 c1f6200b5f0e [project @ 2003-06-17 04:36:08 by jwe] jwe parents: 4294 diff changeset	351 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	352 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	353 // 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	354 // 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	355 // arrived.
4793 a62215ab8a03 [project @ 2004-02-20 20:59:34 by jwe] jwe parents: 4791 diff changeset	356
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	357 if (octave_interrupt_state < 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	358 octave_interrupt_state = 0;
4793 a62215ab8a03 [project @ 2004-02-20 20:59:34 by jwe] jwe parents: 4791 diff changeset	359
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	360 octave_signal_caught = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	361 octave_interrupt_state++;
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	362
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	363 if (interactive && octave_interrupt_state == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	364 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	365
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	366 if (octave_interrupt_state >= 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	367 my_friendly_exit (sig_name, sig_number, true);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	368 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	369 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	370
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	371 }
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	372
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	373 static void
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	374 sigint_handler (int sig)
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	375 {
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	376 #ifdef USE_W32_SIGINT
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	377 if (w32_in_main_thread ())
5844 034cdbd34c0a [project @ 2006-06-07 15:38:58 by jwe] jwe parents: 5823 diff changeset	378 user_abort (strsignal (sig), sig);
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	379 else
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	380 w32_raise (sig);
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	381 #else
5844 034cdbd34c0a [project @ 2006-06-07 15:38:58 by jwe] jwe parents: 5823 diff changeset	382 user_abort (strsignal (sig), sig);
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	383 #endif
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	384 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	385
4064 b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe] jwe parents: 3644 diff changeset	386 #ifdef SIGPIPE
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	387 static void
1488 89c587478067 [project @ 1995-09-26 22:49:48 by jwe] jwe parents: 1446 diff changeset	388 sigpipe_handler (int /* sig */)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	389 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	390 octave_signal_caught = 1;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	391
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	392 octave_signals_caught[SIGPIPE] = true;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	393
1358 dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe] jwe parents: 1352 diff changeset	394 // Don't loop forever on account of this.
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe] jwe parents: 1352 diff changeset	395
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	396 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	397 octave_interrupt_state++;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	398 }
4064 b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe] jwe parents: 3644 diff changeset	399 #endif /* defined(SIGPIPE) */
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	400
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	401 #ifdef USE_W32_SIGINT
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	402 static BOOL CALLBACK
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	403 w32_sigint_handler (DWORD sig)
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	404 {
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	405 const char *sig_name;
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	406
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	407 switch(sig)
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	408 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11555 diff changeset	409 case CTRL_BREAK_EVENT:
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11555 diff changeset	410 sig_name = "Ctrl-Break";
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	411 break;
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	412 case CTRL_C_EVENT:
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	413 sig_name = "Ctrl-C";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	414 break;
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	415 case CTRL_CLOSE_EVENT:
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	416 sig_name = "close console";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	417 break;
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	418 case CTRL_LOGOFF_EVENT:
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	419 sig_name = "logoff";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	420 break;
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	421 case CTRL_SHUTDOWN_EVENT:
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	422 sig_name = "shutdown";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	423 break;
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	424 default:
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	425 sig_name = "unknown console event";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	426 break;
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	427 }
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	428
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	429 switch(sig)
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	430 {
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	431 case CTRL_BREAK_EVENT:
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	432 case CTRL_C_EVENT:
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	433 w32_raise (SIGINT);
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	434 break;
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	435
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	436 case CTRL_CLOSE_EVENT:
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	437 case CTRL_LOGOFF_EVENT:
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	438 case CTRL_SHUTDOWN_EVENT:
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	439 default:
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	440 // We should do the following:
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	441 // clean_up_and_exit (0);
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	442 // We can't because we aren't running in the normal Octave thread.
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	443 user_abort(sig_name, sig);
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	444 break;
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	445 }
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	446
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11555 diff changeset	447 // Return TRUE if the event was handled, or FALSE if another handler
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	448 // should be called.
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5770 diff changeset	449 // FIXME check that windows terminates the thread.
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	450 return TRUE;
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	451 }
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	452 #endif /* w32_sigint_handler */
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	453
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	454
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	455 octave_interrupt_handler
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	456 octave_catch_interrupts (void)
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	457 {
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	458 octave_interrupt_handler retval;
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	459
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	460 #ifdef SIGINT
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	461 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	462 #endif
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	463
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	464 #ifdef SIGBREAK
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	465 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	466 #endif
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	467
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	468 #ifdef USE_W32_SIGINT
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	469
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	470 // Intercept windows console control events.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11555 diff changeset	471 // Note that the windows console signal handlers chain, so if
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	472 // install_signal_handlers is called more than once in the same program,
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	473 // then first call the following to avoid duplicates:
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	474 //
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	475 // SetConsoleCtrlHandler (w32_sigint_handler, FALSE);
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	476
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	477 if (! SetConsoleCtrlHandler (w32_sigint_handler, TRUE))
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	478 error ("SetConsoleCtrlHandler failed with %ld\n", GetLastError ());
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	479
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	480 w32_set_quiet_shutdown ();
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	481
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	482 #endif
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	483
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	484 return retval;
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	485 }
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	486
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	487 octave_interrupt_handler
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	488 octave_ignore_interrupts (void)
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	489 {
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	490 octave_interrupt_handler retval;
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	491
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	492 #ifdef SIGINT
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	493 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	494 #endif
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	495
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	496 #ifdef SIGBREAK
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	497 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	498 #endif
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	499
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	500 return retval;
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	501 }
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	502
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	503 octave_interrupt_handler
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	504 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	505 bool restart_syscalls)
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	506 {
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	507 octave_interrupt_handler retval;
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	508
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	509 #ifdef SIGINT
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	510 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	511 restart_syscalls);
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	512 #endif
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	513
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	514 #ifdef SIGBREAK
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	515 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	516 restart_syscalls);
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	517 #endif
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	518
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	519 return retval;
1651 e846e361a265 [project @ 1995-12-20 06:59:12 by jwe] jwe parents: 1618 diff changeset	520 }
e846e361a265 [project @ 1995-12-20 06:59:12 by jwe] jwe parents: 1618 diff changeset	521
635 5338832d2cf6 [project @ 1994-08-23 17:57:20 by jwe] jwe parents: 529 diff changeset	522 // 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	523
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	524 void
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	525 install_signal_handlers (void)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	526 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	527 for (int i = 0; i < NSIG; i++)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	528 octave_signals_caught[i] = false;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	529
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	530 octave_catch_interrupts ();
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	531
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	532 #ifdef SIGABRT
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	533 octave_set_signal_handler (SIGABRT, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	534 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	535
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	536 #ifdef SIGALRM
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	537 octave_set_signal_handler (SIGALRM, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	538 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	539
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	540 #ifdef SIGBUS
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	541 octave_set_signal_handler (SIGBUS, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	542 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	543
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	544 #ifdef SIGCHLD
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	545 octave_set_signal_handler (SIGCHLD, sigchld_handler);
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	546 #endif
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	547
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	548 // SIGCLD
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	549 // SIGCONT
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	550
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	551 #ifdef SIGEMT
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	552 octave_set_signal_handler (SIGEMT, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	553 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	554
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	555 #ifdef SIGFPE
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	556 #if defined (__alpha__)
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	557 octave_set_signal_handler (SIGFPE, sigfpe_handler);
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	558 #else
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	559 octave_set_signal_handler (SIGFPE, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	560 #endif
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	561 #endif
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	562
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	563 #ifdef SIGHUP
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	564 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	565 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	566
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	567 #ifdef SIGILL
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	568 octave_set_signal_handler (SIGILL, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	569 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	570
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	571 // SIGINFO
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	572 // SIGINT
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	573
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	574 #ifdef SIGIOT
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	575 octave_set_signal_handler (SIGIOT, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	576 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	577
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	578 #ifdef SIGLOST
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	579 octave_set_signal_handler (SIGLOST, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	580 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	581
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	582 #ifdef SIGPIPE
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	583 octave_set_signal_handler (SIGPIPE, sigpipe_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	584 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	585
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	586 #ifdef SIGPOLL
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	587 octave_set_signal_handler (SIGPOLL, SIG_IGN);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	588 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	589
5866 f9ac7ebf0e19 [project @ 2006-06-28 16:05:22 by jwe] jwe parents: 5844 diff changeset	590 // SIGPROF
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	591 // SIGPWR
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	592
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	593 #ifdef SIGQUIT
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	594 octave_set_signal_handler (SIGQUIT, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	595 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	596
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	597 #ifdef SIGSEGV
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	598 octave_set_signal_handler (SIGSEGV, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	599 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	600
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	601 // SIGSTOP
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	602
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	603 #ifdef SIGSYS
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	604 octave_set_signal_handler (SIGSYS, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	605 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	606
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	607 #ifdef SIGTERM
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	608 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	609 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	610
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	611 #ifdef SIGTRAP
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	612 octave_set_signal_handler (SIGTRAP, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	613 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	614
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	615 // SIGTSTP
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	616 // SIGTTIN
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	617 // SIGTTOU
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	618 // SIGURG
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	619
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	620 #ifdef SIGUSR1
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	621 octave_set_signal_handler (SIGUSR1, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	622 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	623
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	624 #ifdef SIGUSR2
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	625 octave_set_signal_handler (SIGUSR2, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	626 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	627
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	628 #ifdef SIGVTALRM
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	629 octave_set_signal_handler (SIGVTALRM, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	630 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	631
895 05654cdcfc95 [project @ 1994-11-09 15:30:06 by jwe] jwe parents: 886 diff changeset	632 #ifdef SIGIO
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	633 octave_set_signal_handler (SIGIO, SIG_IGN);
895 05654cdcfc95 [project @ 1994-11-09 15:30:06 by jwe] jwe parents: 886 diff changeset	634 #endif
05654cdcfc95 [project @ 1994-11-09 15:30:06 by jwe] jwe parents: 886 diff changeset	635
3343 466d7a1cac01 [project @ 1999-11-05 19:34:29 by jwe] jwe parents: 3281 diff changeset	636 #if 0
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	637 #ifdef SIGWINCH
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	638 octave_set_signal_handler (SIGWINCH, sigwinch_handler);
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	639 #endif
3343 466d7a1cac01 [project @ 1999-11-05 19:34:29 by jwe] jwe parents: 3281 diff changeset	640 #endif
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	641
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	642 #ifdef SIGXCPU
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	643 octave_set_signal_handler (SIGXCPU, 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
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	646 #ifdef SIGXFSZ
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	647 octave_set_signal_handler (SIGXFSZ, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	648 #endif
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	649
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	650 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	651
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	652 static octave_scalar_map
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	653 make_sig_struct (void)
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	654 {
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	655 octave_scalar_map m;
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	656
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	657 #ifdef SIGABRT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	658 m.assign ("ABRT", SIGABRT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	659 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	660
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	661 #ifdef SIGALRM
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	662 m.assign ("ALRM", SIGALRM);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	663 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	664
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	665 #ifdef SIGBUS
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	666 m.assign ("BUS", SIGBUS);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	667 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	668
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	669 #ifdef SIGCHLD
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	670 m.assign ("CHLD", SIGCHLD);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	671 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	672
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	673 #ifdef SIGCLD
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	674 m.assign ("CLD", SIGCLD);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	675 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	676
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	677 #ifdef SIGCONT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	678 m.assign ("CONT", SIGCONT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	679 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	680
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	681 #ifdef SIGEMT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	682 m.assign ("EMT", SIGEMT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	683 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	684
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	685 #ifdef SIGFPE
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	686 m.assign ("FPE", SIGFPE);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	687 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	688
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	689 #ifdef SIGHUP
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	690 m.assign ("HUP", SIGHUP);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	691 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	692
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	693 #ifdef SIGILL
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	694 m.assign ("ILL", SIGILL);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	695 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	696
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	697 #ifdef SIGINFO
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	698 m.assign ("INFO", SIGINFO);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	699 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	700
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	701 #ifdef SIGINT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	702 m.assign ("INT", SIGINT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	703 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	704
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	705 #ifdef SIGIOT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	706 m.assign ("IOT", SIGIOT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	707 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	708
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	709 #ifdef SIGLOST
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	710 m.assign ("LOST", SIGLOST);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	711 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	712
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	713 #ifdef SIGPIPE
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	714 m.assign ("PIPE", SIGPIPE);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	715 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	716
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	717 #ifdef SIGPOLL
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	718 m.assign ("POLL", SIGPOLL);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	719 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	720
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	721 #ifdef SIGPROF
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	722 m.assign ("PROF", SIGPROF);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	723 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	724
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	725 #ifdef SIGPWR
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	726 m.assign ("PWR", SIGPWR);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	727 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	728
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	729 #ifdef SIGQUIT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	730 m.assign ("QUIT", SIGQUIT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	731 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	732
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	733 #ifdef SIGSEGV
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	734 m.assign ("SEGV", SIGSEGV);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	735 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	736
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	737 #ifdef SIGSTOP
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	738 m.assign ("STOP", SIGSTOP);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	739 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	740
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	741 #ifdef SIGSYS
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	742 m.assign ("SYS", SIGSYS);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	743 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	744
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	745 #ifdef SIGTERM
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	746 m.assign ("TERM", SIGTERM);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	747 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	748
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	749 #ifdef SIGTRAP
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	750 m.assign ("TRAP", SIGTRAP);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	751 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	752
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	753 #ifdef SIGTSTP
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	754 m.assign ("TSTP", SIGTSTP);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	755 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	756
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	757 #ifdef SIGTTIN
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	758 m.assign ("TTIN", SIGTTIN);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	759 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	760
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	761 #ifdef SIGTTOU
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	762 m.assign ("TTOU", SIGTTOU);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	763 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	764
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	765 #ifdef SIGURG
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	766 m.assign ("URG", SIGURG);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	767 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	768
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	769 #ifdef SIGUSR1
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	770 m.assign ("USR1", SIGUSR1);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	771 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	772
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	773 #ifdef SIGUSR2
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	774 m.assign ("USR2", SIGUSR2);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	775 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	776
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	777 #ifdef SIGVTALRM
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	778 m.assign ("VTALRM", SIGVTALRM);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	779 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	780
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	781 #ifdef SIGIO
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	782 m.assign ("IO", SIGIO);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	783 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	784
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	785 #ifdef SIGWINCH
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	786 m.assign ("WINCH", SIGWINCH);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	787 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	788
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	789 #ifdef SIGXCPU
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	790 m.assign ("XCPU", SIGXCPU);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	791 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	792
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	793 #ifdef SIGXFSZ
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	794 m.assign ("XFSZ", SIGXFSZ);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	795 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	796
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	797 return m;
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
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	800 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	801
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	802 bool
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	803 octave_child_list::instance_ok (void)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	804 {
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	805 bool retval = true;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	806
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	807 if (! instance)
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	808 {
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	809 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	810
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	811 if (instance)
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	812 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	813 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	814
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	815 if (! instance)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	816 {
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	817 ::error ("unable to create child list object!");
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	818
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	819 retval = false;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	820 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	821
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	822 return retval;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	823 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	824
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	825 void
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	826 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	827 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	828 if (instance_ok ())
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	829 instance->insert (pid, f);
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	830 }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	831
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	832 void
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	833 octave_child_list::reap (void)
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	834 {
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	835 if (instance_ok ())
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	836 instance->reap ();
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	837 }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	838
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	839 bool
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	840 octave_child_list::wait (void)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	841 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	842 return (instance_ok ()) ? instance->wait () : false;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	843 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	844
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	845 class pid_equal
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	846 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	847 public:
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	848
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	849 pid_equal (pid_t v) : val (v) { }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	850
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	851 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	852
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	853 private:
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	854
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	855 pid_t val;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	856 };
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	857
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	858 void
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	859 octave_child_list::remove (pid_t pid)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	860 {
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	861 if (instance_ok ())
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	862 instance->remove_if (pid_equal (pid));
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	863 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	864
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	865 #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	866
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	867 void
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	868 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	869 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	870 append (octave_child (pid, f));
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	871 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	872
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	873 void
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	874 OCL_REP::reap (void)
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	875 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	876 // Mark the record for PID invalid.
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	877
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	878 for (iterator p = begin (); p != end (); p++)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	879 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	880 // 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	881 // invalidate the iterator (for example, by calling
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	882 // octave_child_list::remove), so we increment the iterator
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	883 // here.
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	884
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	885 octave_child& oc = *p;
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	886
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	887 if (oc.have_status)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	888 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	889 oc.have_status = 0;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	890
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	891 octave_child::child_event_handler f = oc.handler;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	892
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	893 if (f && f (oc.pid, oc.status))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	894 oc.pid = -1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	895 }
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	896 }
859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	897
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	898 remove_if (pid_equal (-1));
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	899 }
859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	900
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	901 // 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	902
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	903 bool
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	904 OCL_REP::wait (void)
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	905 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	906 bool retval = false;
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	907
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	908 for (iterator p = begin (); p != end (); p++)
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	909 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	910 octave_child& oc = *p;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	911
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	912 pid_t pid = oc.pid;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	913
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	914 if (pid > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	915 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	916 int status;
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	917
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	918 if (octave_syscalls::waitpid (pid, &status, WNOHANG) > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	919 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	920 oc.have_status = 1;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	921
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	922 oc.status = status;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	923
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	924 retval = true;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	925
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	926 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	927 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	928 }
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	929 }
a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	930
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	931 return retval;
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	932 }
a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	933
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	934 DEFUN (SIG, args, ,
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	935 "-- texinfo --\n\
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	936 @deftypefn {Built-in Function} {} SIG ()\n\
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	937 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	938 @end deftypefn")
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	939 {
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	940 octave_value retval;
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	941
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	942 if (args.length () == 0)
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	943 {
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	944 static octave_scalar_map m = make_sig_struct ();
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	945
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	946 retval = m;
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	947 }
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	948 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	949 print_usage ();
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	950
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	951 return retval;
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	952 }
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	953
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	954 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	955 %!error SIG (1);
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	956 %!assert (isstruct (SIG ()));
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	957 %!assert (! isempty (SIG ()));
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	958 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	959
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	960 DEFUN (debug_on_interrupt, args, nargout,
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	961 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10411 diff changeset	962 @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	963 @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	964 @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	965 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	966 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	967 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	968 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	969 \n\
79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	970 When called from inside a function with the \"local\" option, the variable is\n\
79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	971 changed locally for the function and any subroutines it calls. The original\n\
79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	972 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	973 @end deftypefn")
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	974 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	975 return SET_INTERNAL_VARIABLE (debug_on_interrupt);
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	976 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	977
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	978 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	979 %!error (debug_on_interrupt (1, 2));
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	980 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	981 %! orig_val = debug_on_interrupt ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	982 %! old_val = debug_on_interrupt (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	983 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	984 %! assert (debug_on_interrupt (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	985 %! debug_on_interrupt (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	986 %! assert (debug_on_interrupt (), orig_val);
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	987 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	988
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	989 DEFUN (sighup_dumps_octave_core, args, nargout,
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	990 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10411 diff changeset	991 @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	992 @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	993 @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	994 Query or set the internal variable that controls whether Octave tries\n\
6653 673686daec87 [project @ 2007-05-22 15:36:09 by jwe] jwe parents: 6098 diff changeset	995 to save all current variables to the file \"octave-core\" if it receives\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	996 a hangup signal.\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	997 \n\
79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	998 When called from inside a function with the \"local\" option, the variable is\n\
79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	999 changed locally for the function and any subroutines it calls. The original\n\
79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1000 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	1001 @end deftypefn")
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	1002 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1003 return SET_INTERNAL_VARIABLE (sighup_dumps_octave_core);
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1004 }
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	1005
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1006 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1007 %!error (sighup_dumps_octave_core (1, 2));
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1008 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1009 %! orig_val = sighup_dumps_octave_core ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1010 %! old_val = sighup_dumps_octave_core (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1011 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1012 %! assert (sighup_dumps_octave_core (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1013 %! sighup_dumps_octave_core (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1014 %! assert (sighup_dumps_octave_core (), orig_val);
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1015 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1016
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1017 DEFUN (sigterm_dumps_octave_core, args, nargout,
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1018 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10411 diff changeset	1019 @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	1020 @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	1021 @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	1022 Query or set the internal variable that controls whether Octave tries\n\
6653 673686daec87 [project @ 2007-05-22 15:36:09 by jwe] jwe parents: 6098 diff changeset	1023 to save all current variables to the file \"octave-core\" if it receives\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1024 a terminate signal.\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1025 \n\
79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1026 When called from inside a function with the \"local\" option, the variable is\n\
79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1027 changed locally for the function and any subroutines it calls. The original\n\
79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1028 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	1029 @end deftypefn")
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1030 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1031 return SET_INTERNAL_VARIABLE (sigterm_dumps_octave_core);
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	1032 }
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1033
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1034 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1035 %!error (sigterm_dumps_octave_core (1, 2));
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1036 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1037 %! orig_val = sigterm_dumps_octave_core ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1038 %! old_val = sigterm_dumps_octave_core (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1039 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1040 %! assert (sigterm_dumps_octave_core (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1041 %! sigterm_dumps_octave_core (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1042 %! assert (sigterm_dumps_octave_core (), orig_val);
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1043 */

Mercurial > hg > octave-nkf

annotate src/sighandlers.cc @ 13983:7dd7cccf0757