GNU Octave  4.0.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
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syswait.h
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1 /*
2 
3 Copyright (C) 1996-2015 John W. Eaton
4 
5 This file is part of Octave.
6 
7 Octave is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
11 
12 Octave is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along with Octave; see the file COPYING. If not, see
19 <http://www.gnu.org/licenses/>.
20 
21 */
22 
23 #if !defined (octave_syswait_h)
24 #define octave_syswait_h 1
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
30 /* This mess suggested by the autoconf manual. */
31 
32 #include <sys/types.h>
33 
34 #if defined HAVE_SYS_WAIT_H
35 #include <sys/wait.h>
36 #endif
37 
38 #ifndef WIFEXITED
39 #define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
40 #endif
41 
42 #ifndef WEXITSTATUS
43 #define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
44 #endif
45 
46 #ifndef WIFSIGNALLED
47 #define WIFSIGNALLED(stat_val) \
48  (((stat_val) & 0177) != 0177 && ((stat_val) & 0177) != 0)
49 #endif
50 
51 #if defined (__MINGW32__) || defined (_MSC_VER)
52 #define HAVE_WAITPID 1
53 #include <process.h>
54 #define WAITPID(a, b, c) _cwait (b, a, c)
55 /* Action argument is ignored for _cwait, so arbitrary definition. */
56 #define WNOHANG 0
57 #else
58 #define WAITPID(a, b, c) waitpid (a, b, c)
59 #endif
60 
61 #ifdef __cplusplus
62 }
63 #endif
64 
65 #endif