xref: /titanic_41/usr/src/cmd/ssh/include/bsd-waitpid.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * Redistribution and use in source and binary forms, with or without
3  * modification, are permitted provided that the following conditions
4  * are met:
5  * 1. Redistributions of source code must retain the above copyright
6  *    notice, this list of conditions and the following disclaimer.
7  * 2. Redistributions in binary form must reproduce the above copyright
8  *    notice, this list of conditions and the following disclaimer in the
9  *    documentation and/or other materials provided with the distribution.
10  *
11  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
12  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
13  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
14  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
15  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
16  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
17  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
18  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
19  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
20  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
21  *
22  */
23 
24 #ifndef	_BSD_WAITPID_H
25 #define	_BSD_WAITPID_H
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32 
33 
34 /* $Id: bsd-waitpid.h,v 1.2 2001/02/09 01:55:36 djm Exp $ */
35 
36 #ifndef HAVE_WAITPID
37 /* Clean out any potental issues */
38 #undef WIFEXITED
39 #undef WIFSTOPPED
40 #undef WIFSIGNALED
41 
42 /* Define required functions to mimic a POSIX look and feel */
43 #define _W_INT(w)	(*(int*)&(w))	/* convert union wait to int */
44 #define WIFEXITED(w)	(!((_W_INT(w)) & 0377))
45 #define WIFSTOPPED(w)	((_W_INT(w)) & 0100)
46 #define WIFSIGNALED(w)	(!WIFEXITED(w) && !WIFSTOPPED(w))
47 #define WEXITSTATUS(w)	(int)(WIFEXITED(w) ? ((_W_INT(w) >> 8) & 0377) : -1)
48 #define WTERMSIG(w)	(int)(WIFSIGNALED(w) ? (_W_INT(w) & 0177) : -1)
49 #define WCOREFLAG	0x80
50 #define WCOREDUMP(w) 	((_W_INT(w)) & WCOREFLAG)
51 
52 /* Prototype */
53 pid_t waitpid(int pid, int *stat_loc, int options);
54 
55 #endif /* !HAVE_WAITPID */
56 
57 #ifdef __cplusplus
58 }
59 #endif
60 
61 #endif /* _BSD_WAITPID_H */
62