annotate src/syscalls.cc @ 3141:292ff0bf484b

[project @ 1998-02-03 08:11:07 by jwe]
author jwe
date Tue, 03 Feb 1998 08:11:22 +0000
parents 38de16594cb4
children 0d640dc625c7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
1 /*
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
2
2847
8b262e771614 [project @ 1997-03-27 16:18:26 by jwe]
jwe
parents: 2802
diff changeset
3 Copyright (C) 1996, 1997 John W. Eaton
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
4
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
5 This file is part of Octave.
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
6
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
7 Octave is free software; you can redistribute it and/or modify it
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
8 under the terms of the GNU General Public License as published by the
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
9 Free Software Foundation; either version 2, or (at your option) any
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
10 later version.
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
11
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
12 Octave is distributed in the hope that it will be useful, but WITHOUT
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
15 for more details.
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
16
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
17 You should have received a copy of the GNU General Public License
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
18 along with Octave; see the file COPYING. If not, write to the Free
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
20
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
21 */
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
22
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
23 // Thomas Baier <baier@ci.tuwien.ac.at> added the original versions of
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
24 // the following functions:
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
25 //
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
26 // mkfifo unlink waitpid
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
27
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
28 #ifdef HAVE_CONFIG_H
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
29 #include <config.h>
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
30 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
31
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
32 #include <cerrno>
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
33 #include <cstdio>
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
34 #include <cstring>
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
35
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
36 #ifdef HAVE_UNISTD_H
2442
f667d7ec08b9 [project @ 1996-10-30 18:46:22 by jwe]
jwe
parents: 2366
diff changeset
37 #ifdef HAVE_SYS_TYPES_H
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
38 #include <sys/types.h>
2442
f667d7ec08b9 [project @ 1996-10-30 18:46:22 by jwe]
jwe
parents: 2366
diff changeset
39 #endif
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
40 #include <unistd.h>
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
41 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
42
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
43 #ifdef HAVE_FCNTL_H
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
44 #include <fcntl.h>
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
45 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
46
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2902
diff changeset
47 #include "file-ops.h"
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2902
diff changeset
48 #include "file-stat.h"
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
49 #include "oct-syscalls.h"
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2902
diff changeset
50
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
51 #include "defun.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
52 #include "error.h"
2078
4d43f960f2cc [project @ 1996-04-24 01:12:59 by jwe]
jwe
parents: 2075
diff changeset
53 #include "gripes.h"
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
54 #include "lo-utils.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
55 #include "oct-map.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
56 #include "oct-obj.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
57 #include "oct-stdstrm.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
58 #include "oct-stream.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
59 #include "sysdep.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
60 #include "syswait.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
61 #include "utils.h"
2366
c90105b99479 [project @ 1996-10-11 23:22:27 by jwe]
jwe
parents: 2305
diff changeset
62 #include "variables.h"
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
63
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
64 static Octave_map
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
65 mk_stat_map (const file_stat& fs)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
66 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
67 Octave_map m;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
68
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
69 m["dev"] = static_cast<double> (fs.dev ());
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
70 m["ino"] = static_cast<double> (fs.ino ());
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
71 m["modestr"] = fs.mode_as_string ();
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
72 m["nlink"] = static_cast<double> (fs.nlink ());
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
73 m["uid"] = static_cast<double> (fs.uid ());
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
74 m["gid"] = static_cast<double> (fs.gid ());
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
75 #if defined (HAVE_ST_RDEV)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
76 m["rdev"] = static_cast<double> (fs.rdev ());
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
77 #endif
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
78 m["size"] = static_cast<double> (fs.size ());
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
79 m["atime"] = static_cast<double> (fs.atime ());
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
80 m["mtime"] = static_cast<double> (fs.mtime ());
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
81 m["ctime"] = static_cast<double> (fs.ctime ());
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
82 #if defined (HAVE_ST_BLKSIZE)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
83 m["blksize"] = static_cast<double> (fs.blksize ());
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
84 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
85 #if defined (HAVE_ST_BLOCKS)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
86 m["blocks"] = static_cast<double> (fs.blocks ());
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
87 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
88
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
89 return m;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
90 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
91
2457
5be3f6f5986a [project @ 1996-11-03 02:54:44 by jwe]
jwe
parents: 2442
diff changeset
92 DEFUN (dup2, args, ,
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
93 "[FID, MSG] = dup2 (OLD, NEW)\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
94 \n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
95 Duplicate a file descriptor.\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
96 \n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
97 If successful, FID is greater than zero and contains the new file ID.\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
98 Otherwise, FID is negative and MSG contains a system-dependent error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
99 {
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
100 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
101
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
102 retval(1) = string ();
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
103 retval(0) = -1.0;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
104
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
105 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
106
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
107 if (nargin == 2)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
108 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
109 double d_old = args(0).double_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
110 double d_new = args(1).double_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
111
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
112 if (! error_state)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
113 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
114 if (D_NINT (d_old) == d_old && D_NINT (d_new) == d_new)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
115 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
116 int i_old = NINT (d_old);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
117 int i_new = NINT (d_new);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
118
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
119 // XXX FIXME XXX -- are these checks sufficient?
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
120 if (i_old >= 0 && i_new >= 0)
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
121 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
122 string msg;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
123
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
124 int status = octave_syscalls::dup2 (i_old, i_new, msg);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
125
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
126 retval(0) = static_cast<double> (status);
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
127 retval(1) = msg;
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
128 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
129 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
130 error ("dup2: invalid file id");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
131 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
132 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
133 error ("dup2: arguments must be integer values");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
134 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
135 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
136 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
137 print_usage ("dup2");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
138
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
139 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
140 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
141
2457
5be3f6f5986a [project @ 1996-11-03 02:54:44 by jwe]
jwe
parents: 2442
diff changeset
142 DEFUN (exec, args, ,
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
143 "[STATUS, MSG] = exec (FILE, ARGS)\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
144 \n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
145 Replace current process with a new process.\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
146 \n\
2802
bca5fbab2e52 [project @ 1997-03-09 11:02:27 by jwe]
jwe
parents: 2800
diff changeset
147 If successful, exec does not return. If exec does return, status will\n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
148 be nonzero, and MSG will contain a system-dependent error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
149 {
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
150 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
151
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
152 retval(1) = string ();
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
153 retval(0) = -1.0;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
154
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
155 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
156
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
157 if (nargin == 1 || nargin == 2)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
158 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
159 string exec_file = args(0).string_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
160
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
161 if (! error_state)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
162 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
163 string_vector exec_args;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
164
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
165 if (nargin == 2)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
166 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
167 string_vector tmp = args(1).all_strings ();
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
168
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
169 if (! error_state)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
170 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
171 int len = tmp.length ();
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
172
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
173 exec_args.resize (len + 1);
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
174
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
175 exec_args[0] = exec_file;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
176
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
177 for (int i = 0; i < len; i++)
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
178 exec_args[i+1] = tmp[i];
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
179 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
180 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
181 error ("exec: arguments must be strings");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
182 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
183 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
184 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
185 exec_args.resize (1);
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
186
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
187 exec_args[0] = exec_file;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
188 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
189
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
190 if (! error_state)
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
191 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
192 string msg;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
193
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
194 int status = octave_syscalls::execvp (exec_file, exec_args, msg);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
195
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
196 retval(0) = static_cast<double> (status);
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
197 retval(1) = msg;
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
198 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
199 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
200 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
201 error ("exec: first argument must be a string");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
202 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
203 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
204 print_usage ("exec");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
205
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
206 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
207 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
208
2457
5be3f6f5986a [project @ 1996-11-03 02:54:44 by jwe]
jwe
parents: 2442
diff changeset
209 DEFUN (fcntl, args, ,
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
210 "[STATUS, MSG] = fcntl (FID, REQUEST, ARGUMENT)\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
211 \n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
212 Control open file descriptors.\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
213 \n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
214 If successful, STATUS is 0 and MSG is an empty string. Otherwise,\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
215 STATUS is nonzero and MSG contains a system-dependent error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
216 {
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
217 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
218
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
219 retval(1) = string ();
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
220 retval(0) = -1.0;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
221
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
222 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
223
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
224 if (nargin == 3)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
225 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
226 double d_fid = args(0).double_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
227 double d_req = args(1).double_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
228 double d_arg = args(2).double_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
229
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
230 if (! error_state
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
231 && D_NINT (d_fid) == d_fid
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
232 && D_NINT (d_req) == d_req
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
233 && D_NINT (d_arg) == d_arg)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
234 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
235 int fid = NINT (d_fid);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
236 int req = NINT (d_req);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
237 int arg = NINT (d_arg);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
238
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
239 // XXX FIXME XXX -- Need better checking here?
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
240 if (fid < 0)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
241 error ("fcntl: invalid file id");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
242 else
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
243 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
244 string msg;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
245
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
246 int status = octave_syscalls::fcntl (fid, req, arg, msg);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
247
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
248 retval(0) = static_cast<double> (status);
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
249 retval(1) = msg;
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
250 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
251 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
252 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
253 error ("fcntl: file id must be an integer");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
254 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
255 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
256 print_usage ("fcntl");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
257
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
258 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
259 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
260
2457
5be3f6f5986a [project @ 1996-11-03 02:54:44 by jwe]
jwe
parents: 2442
diff changeset
261 DEFUN (fork, args, ,
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
262 "[PID, MSG] = fork ()\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
263 \n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
264 Create a copy of the current process.\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
265 \n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
266 If successful, PID is either the process ID and you are in the parent,\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
267 or 0, and you are in the child. If PID is less than zero, an error\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
268 has occured, and MSG contains a system-dependent error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
269 {
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
270 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
271
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
272 retval(1) = string ();
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
273 retval(0) = -1.0;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
274
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
275 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
276
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
277 if (nargin == 0)
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
278 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
279 string msg;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
280
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
281 pid_t pid = octave_syscalls::fork (msg);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
282
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
283 retval(0) = static_cast<double> (pid);
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
284 retval(1) = msg;
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
285 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
286 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
287 print_usage ("fork");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
288
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
289 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
290 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
291
2457
5be3f6f5986a [project @ 1996-11-03 02:54:44 by jwe]
jwe
parents: 2442
diff changeset
292 DEFUN (getpgrp, args, ,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
293 "pgid = getpgrp (): return the process group id of the current process")
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
294 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
295 octave_value_list retval;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
296
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
297 retval(1) = string ();
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
298 retval(0) = -1.0;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
299
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
300 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
301
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
302 if (nargin == 0)
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
303 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
304 string msg;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
305
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
306 retval(0) = static_cast<double> (octave_syscalls::getpgrp (msg));
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
307 retval(1) = msg;
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
308 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
309 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
310 print_usage ("getpgrp");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
311
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
312 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
313 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
314
2457
5be3f6f5986a [project @ 1996-11-03 02:54:44 by jwe]
jwe
parents: 2442
diff changeset
315 DEFUN (getpid, args, ,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
316 "pid = getpid (): return the process id of the current process")
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
317 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
318 double retval = -1.0;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
319
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
320 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
321
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
322 if (nargin == 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
323 retval = octave_syscalls::getpid ();
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
324 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
325 print_usage ("getpid");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
326
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
327 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
328 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
329
2457
5be3f6f5986a [project @ 1996-11-03 02:54:44 by jwe]
jwe
parents: 2442
diff changeset
330 DEFUN (getppid, args, ,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
331 "pid = getppid (): return the process id of the parent process")
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
332 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
333 double retval = -1.0;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
334
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
335 int nargin = args.length ();
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
336
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
337 if (nargin == 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
338 retval = octave_syscalls::getppid ();
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
339 else
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
340 print_usage ("getppid");
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
341
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
342 return retval;
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
343 }
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
344
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
345 DEFUN (getegid, args, ,
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
346 "gid = getegid (): return the effective group id of the current process")
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
347 {
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
348 double retval = -1.0;
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
349
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
350 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
351
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
352 if (nargin == 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
353 retval = octave_syscalls::getegid ();
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
354 else
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
355 print_usage ("getegid");
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
356
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
357 return retval;
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
358 }
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
359
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
360 DEFUN (getgid, args, ,
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
361 "gid = getgid (): return the real group id of the current process")
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
362 {
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
363 double retval = -1.0;
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
364
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
365 int nargin = args.length ();
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
366
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
367 if (nargin == 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
368 retval = octave_syscalls::getgid ();
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
369 else
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
370 print_usage ("getgid");
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
371
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
372 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
373 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
374
2473
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe]
jwe
parents: 2472
diff changeset
375 DEFUN (geteuid, args, ,
2472
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
376 "uid = geteuid (): return the effective user id of the current process")
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
377 {
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
378 double retval = -1.0;
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
379
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
380 int nargin = args.length ();
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
381
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
382 if (nargin == 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
383 retval = octave_syscalls::geteuid ();
2472
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
384 else
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
385 print_usage ("geteuid");
2473
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe]
jwe
parents: 2472
diff changeset
386
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe]
jwe
parents: 2472
diff changeset
387 return retval;
2472
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
388 }
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
389
2473
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe]
jwe
parents: 2472
diff changeset
390 DEFUN (getuid, args, ,
2472
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
391 "uid = getuid (): return the real user id of the current process")
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
392 {
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
393 double retval = -1.0;
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
394
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
395 int nargin = args.length ();
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
396
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
397 if (nargin == 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
398 retval = octave_syscalls::getuid ();
2472
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
399 else
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
400 print_usage ("getuid");
2473
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe]
jwe
parents: 2472
diff changeset
401
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe]
jwe
parents: 2472
diff changeset
402 return retval;
2472
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
403 }
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
404
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
405 DEFUN (lstat, args, ,
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
406 "[S, ERR, MSG] = lstat (NAME)\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
407 \n\
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
408 Like [S, ERR, MSG] = stat (NAME), but if NAME refers to a symbolic\n\
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
409 link, returns information about the link itself, not the file that it\n\
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
410 points to.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
411 {
2263
dafbde8087e6 [project @ 1996-05-23 18:44:40 by jwe]
jwe
parents: 2262
diff changeset
412 octave_value_list retval;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
413
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
414 if (args.length () == 1)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
415 {
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2902
diff changeset
416 string fname = file_ops::tilde_expand (args(0).string_value ());
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
417
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
418 if (! error_state)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
419 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
420 file_stat fs (fname, false);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
421
2263
dafbde8087e6 [project @ 1996-05-23 18:44:40 by jwe]
jwe
parents: 2262
diff changeset
422 if (fs)
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
423 {
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
424 retval(2) = string ();
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
425 retval(1) = 0.0;
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
426 retval(0) = octave_value (mk_stat_map (fs));
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
427 }
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
428 else
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
429 {
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
430 retval(2) = fs.error ();
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
431 retval(1) = -1.0;
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
432 retval(0) = Matrix ();
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
433 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
434 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
435 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
436 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
437 print_usage ("lstat");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
438
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
439 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
440 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
441
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
442 DEFUN (mkfifo, args, ,
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
443 "[STATUS, MSG] = mkfifo (NAME, MODE)\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
444 \n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
445 Create a FIFO special file named NAME with file mode MODE\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
446 \n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
447 If successful, STATUS is 0 and MSG is an empty string. Otherwise,\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
448 STATUS is nonzero and MSG contains a system-dependent error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
449 {
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
450 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
451
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
452 retval(1) = string ();
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
453 retval(0) = -1.0;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
454
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
455 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
456
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
457 if (nargin == 2)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
458 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
459 if (args(0).is_string ())
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
460 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
461 string name = args(0).string_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
462
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
463 if (args(1).is_scalar_type ())
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
464 {
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
465 long mode = static_cast<long> (args(1).double_value ());
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
466
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
467 string msg;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
468
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2902
diff changeset
469 int status = file_ops::mkfifo (name, mode, msg);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
470
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
471 retval(0) = static_cast<double> (status);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
472
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
473 if (status < 0)
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
474 retval(1) = msg;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
475 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
476 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
477 error ("mkfifo: MODE must be an integer");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
478 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
479 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
480 error ("mkfifo: file name must be a string");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
481 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
482 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
483 print_usage ("mkfifo");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
484
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
485 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
486 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
487
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
488 DEFUN (pipe, args, ,
2902
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
489 "[FILE_LIST, STATUS, MSG] = pipe (): create an interprocess channel.\n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
490 \n\
2902
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
491 Return the file objects corresponding to the reading and writing ends of\n\
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
492 the pipe, as a two-element list.\n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
493 \n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
494 If successful, STATUS is 0 and MSG is an empty string. Otherwise,\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
495 STATUS is nonzero and MSG contains a system-dependent error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
496 {
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
497 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
498
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
499 retval(2) = string ();
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
500 retval(1) = -1.0;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
501 retval(0) = Matrix ();
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
502
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
503 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
504
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
505 if (nargin == 0)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
506 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
507 int fid[2];
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
508
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
509 string msg;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
510
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
511 int status = octave_syscalls::pipe (fid, msg);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
512
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
513 if (status < 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
514 retval(2) = msg;
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
515 else
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
516 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
517 FILE *in_file = fdopen (fid[0], "r");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
518 FILE *out_file = fdopen (fid[1], "w");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
519
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
520 octave_istdiostream *is
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
521 = new octave_istdiostream (string (), in_file);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
522
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
523 octave_ostdiostream *os
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
524 = new octave_ostdiostream (string (), out_file);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
525
2902
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
526 octave_value_list file_ids;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
527
2902
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
528 file_ids(1) = octave_stream_list::insert (os);
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
529 file_ids(0) = octave_stream_list::insert (is);
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
530
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
531 retval(1) = static_cast<double> (status);
2902
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
532 retval(0) = octave_value (file_ids);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
533 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
534 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
535 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
536 print_usage ("pipe");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
537
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
538 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
539 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
540
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
541 DEFUN (stat, args, ,
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
542 "[S, ERR, MSG] = stat (NAME)\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
543 \n\
2802
bca5fbab2e52 [project @ 1997-03-09 11:02:27 by jwe]
jwe
parents: 2800
diff changeset
544 Given the name of a file, return a structure S with the following\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
545 elements:\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
546 \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
547 dev : id of device containing a directory entry for this file\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
548 ino : file number of the file\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
549 modestr : file mode, as a string of ten letters or dashes as in ls -l\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
550 nlink : number of links\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
551 uid : user id of file's owner\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
552 gid : group id of file's group \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
553 rdev : id of device for block or character special files\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
554 size : size in bytes\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
555 atime : time of last access\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
556 mtime : time of last modification\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
557 ctime : time of last file status change\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
558 blksize : size of blocks in the file\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
559 blocks : number of blocks allocated for file\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
560 \n\
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
561 If the call is successful, ERR is 0 and MSG is an empty string.\n\
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
562 \n\
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
563 If the file does not exist, or some other error occurs, S is an\n\
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
564 empty matrix, ERR is -1, and MSG contains the corresponding\n\
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
565 system error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
566 {
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
567 octave_value_list retval;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
568
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
569 if (args.length () == 1)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
570 {
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2902
diff changeset
571 string fname = file_ops::tilde_expand (args(0).string_value ());
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
572
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
573 if (! error_state)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
574 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
575 file_stat fs (fname);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
576
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
577 if (fs)
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
578 {
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
579 retval(2) = string ();
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
580 retval(1) = 0.0;
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
581 retval(0) = octave_value (mk_stat_map (fs));
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
582 }
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
583 else
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
584 {
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
585 retval(2) = fs.error ();
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
586 retval(1) = -1.0;
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
587 retval(0) = Matrix ();
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
588 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
589 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
590 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
591 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
592 print_usage ("stat");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
593
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
594 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
595 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
596
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
597 DEFUN (unlink, args, ,
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
598 "[STATUS, MSG] = unlink (NAME)\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
599 \n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
600 Delete the file NAME\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
601 \n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
602 If successful, STATUS is 0 and MSG is an empty string. Otherwise,\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
603 STATUS is nonzero and MSG contains a system-dependent error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
604 {
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
605 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
606
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
607 retval(1) = string ();
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
608 retval(0) = -1.0;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
609
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
610 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
611
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
612 if (nargin == 1)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
613 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
614 if (args(0).is_string ())
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
615 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
616 string name = args(0).string_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
617
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
618 string msg;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
619
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2902
diff changeset
620 int status = file_ops::unlink (name, msg);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
621
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
622 retval(0) = static_cast<double> (status);
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
623 retval(1) = msg;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
624 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
625 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
626 error ("unlink: file name must be a string");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
627 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
628 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
629 print_usage ("unlink");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
630
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
631 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
632 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
633
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
634 DEFUN (waitpid, args, ,
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
635 "[PID, MSG] = waitpid (PID, OPTIONS)\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
636 \n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
637 Wait for process PID to terminate\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
638 \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
639 PID can be:\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
640 \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
641 -1 : wait for any child process\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
642 0 : wait for any child process whose process group ID is equal to\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
643 that of the Octave interpreter process.\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
644 > 0 : wait for termination of the child process with ID PID.\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
645 \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
646 OPTIONS is:\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
647 \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
648 0 : wait until signal is received or a child process exits (this\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
649 is the default if the OPTIONS argument is missing) \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
650 1 : do not hang if status is not immediately available\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
651 2 : report the status of any child processes that are\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
652 stopped, and whose status has not yet been reported\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
653 since they stopped\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
654 3 : implies both 1 and 2\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
655 \n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
656 If successful, PID is greater than 0 and contains the process ID of\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
657 the child process that exited and MSG is an empty string.\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
658 Otherwise, PID is less than zero and MSG contains a system-dependent\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
659 error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
660 {
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
661 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
662
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
663 retval(1) = string ();
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
664 retval(0) = -1.0;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
665
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
666 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
667
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
668 if (nargin == 1 || nargin == 2)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
669 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
670 double pid_num = args(0).double_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
671
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
672 if (! error_state)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
673 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
674 if (D_NINT (pid_num) != pid_num)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
675 error ("waitpid: PID must be an integer value");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
676 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
677 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
678 pid_t pid = (pid_t) pid_num;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
679
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
680 int options = 0;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
681
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
682 if (args.length () == 2)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
683 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
684 double options_num = args(1).double_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
685
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
686 if (! error_state)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
687 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
688 if (D_NINT (options_num) != options_num)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
689 error ("waitpid: PID must be an integer value");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
690 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
691 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
692 options = NINT (options_num);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
693 if (options < 0 || options > 3)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
694 error ("waitpid: invalid OPTIONS value specified");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
695 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
696 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
697 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
698
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
699 if (! error_state)
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
700 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
701 string msg;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
702
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
703 pid_t status
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
704 = octave_syscalls::waitpid (pid, options, msg);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
705
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
706 retval(0) = static_cast<double> (status);
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
707 retval(1) = msg;
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
708 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
709 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
710 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
711 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
712 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
713 print_usage ("waitpid");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
714
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
715 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
716 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
717
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
718 #if !defined (O_NONBLOCK) && defined (O_NDELAY)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
719 #define O_NONBLOCK O_NDELAY
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
720 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
721
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
722 void
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
723 symbols_of_syscalls (void)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
724 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
725 #if defined (F_DUPFD)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
726 DEFCONST (F_DUPFD, static_cast<double> (F_DUPFD),
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
727 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
728 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
729
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
730 #if defined (F_GETFD)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
731 DEFCONST (F_GETFD, static_cast<double> (F_GETFD),
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
732 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
733 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
734
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
735 #if defined (F_GETFL)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
736 DEFCONST (F_GETFL, static_cast<double> (F_GETFL),
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
737 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
738 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
739
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
740 #if defined (F_SETFD)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
741 DEFCONST (F_SETFD, static_cast<double> (F_SETFD),
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
742 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
743 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
744
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
745 #if defined (F_SETFL)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
746 DEFCONST (F_SETFL, static_cast<double> (F_SETFL),
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
747 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
748 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
749
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
750 #if defined (O_APPEND)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
751 DEFCONST (O_APPEND, static_cast<double> (O_APPEND),
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
752 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
753 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
754
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
755 #if defined (O_ASYNC)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
756 DEFCONST (O_ASYNC, static_cast<double> (O_ASYNC),
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
757 "");
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
758 #endif
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
759
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
760 #if defined (O_CREAT)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
761 DEFCONST (O_CREAT, static_cast<double> (O_CREAT),
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
762 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
763 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
764
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
765 #if defined (O_EXCL)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
766 DEFCONST (O_EXCL, static_cast<double> (O_EXCL),
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
767 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
768 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
769
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
770 #if defined (O_NONBLOCK)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
771 DEFCONST (O_NONBLOCK, static_cast<double> (O_NONBLOCK),
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
772 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
773 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
774
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
775 #if defined (O_RDONLY)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
776 DEFCONST (O_RDONLY, static_cast<double> (O_RDONLY),
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
777 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
778 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
779
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
780 #if defined (O_RDWR)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
781 DEFCONST (O_RDWR, static_cast<double> (O_RDWR),
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
782 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
783 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
784
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
785 #if defined (O_SYNC)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
786 DEFCONST (O_SYNC, static_cast<double> (O_SYNC),
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
787 "");
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
788 #endif
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
789
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
790 #if defined (O_TRUNC)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
791 DEFCONST (O_TRUNC, static_cast<double> (O_TRUNC),
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
792 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
793 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
794
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
795 #if defined (O_WRONLY)
3141
292ff0bf484b [project @ 1998-02-03 08:11:07 by jwe]
jwe
parents: 3014
diff changeset
796 DEFCONST (O_WRONLY, static_cast<double> (O_WRONLY),
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
797 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
798 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
799 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
800
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
801 /*
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
802 ;;; Local Variables: ***
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
803 ;;; mode: C++ ***
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
804 ;;; End: ***
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
805 */