xref: /titanic_50/usr/src/cmd/ssh/include/bsd-waitpid.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * Redistribution and use in source and binary forms, with or without
3*7c478bd9Sstevel@tonic-gate  * modification, are permitted provided that the following conditions
4*7c478bd9Sstevel@tonic-gate  * are met:
5*7c478bd9Sstevel@tonic-gate  * 1. Redistributions of source code must retain the above copyright
6*7c478bd9Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer.
7*7c478bd9Sstevel@tonic-gate  * 2. Redistributions in binary form must reproduce the above copyright
8*7c478bd9Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer in the
9*7c478bd9Sstevel@tonic-gate  *    documentation and/or other materials provided with the distribution.
10*7c478bd9Sstevel@tonic-gate  *
11*7c478bd9Sstevel@tonic-gate  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
12*7c478bd9Sstevel@tonic-gate  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
13*7c478bd9Sstevel@tonic-gate  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
14*7c478bd9Sstevel@tonic-gate  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
15*7c478bd9Sstevel@tonic-gate  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
16*7c478bd9Sstevel@tonic-gate  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
17*7c478bd9Sstevel@tonic-gate  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
18*7c478bd9Sstevel@tonic-gate  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
19*7c478bd9Sstevel@tonic-gate  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
20*7c478bd9Sstevel@tonic-gate  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
21*7c478bd9Sstevel@tonic-gate  *
22*7c478bd9Sstevel@tonic-gate  */
23*7c478bd9Sstevel@tonic-gate 
24*7c478bd9Sstevel@tonic-gate #ifndef	_BSD_WAITPID_H
25*7c478bd9Sstevel@tonic-gate #define	_BSD_WAITPID_H
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*7c478bd9Sstevel@tonic-gate 
29*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus
30*7c478bd9Sstevel@tonic-gate extern "C" {
31*7c478bd9Sstevel@tonic-gate #endif
32*7c478bd9Sstevel@tonic-gate 
33*7c478bd9Sstevel@tonic-gate 
34*7c478bd9Sstevel@tonic-gate /* $Id: bsd-waitpid.h,v 1.2 2001/02/09 01:55:36 djm Exp $ */
35*7c478bd9Sstevel@tonic-gate 
36*7c478bd9Sstevel@tonic-gate #ifndef HAVE_WAITPID
37*7c478bd9Sstevel@tonic-gate /* Clean out any potental issues */
38*7c478bd9Sstevel@tonic-gate #undef WIFEXITED
39*7c478bd9Sstevel@tonic-gate #undef WIFSTOPPED
40*7c478bd9Sstevel@tonic-gate #undef WIFSIGNALED
41*7c478bd9Sstevel@tonic-gate 
42*7c478bd9Sstevel@tonic-gate /* Define required functions to mimic a POSIX look and feel */
43*7c478bd9Sstevel@tonic-gate #define _W_INT(w)	(*(int*)&(w))	/* convert union wait to int */
44*7c478bd9Sstevel@tonic-gate #define WIFEXITED(w)	(!((_W_INT(w)) & 0377))
45*7c478bd9Sstevel@tonic-gate #define WIFSTOPPED(w)	((_W_INT(w)) & 0100)
46*7c478bd9Sstevel@tonic-gate #define WIFSIGNALED(w)	(!WIFEXITED(w) && !WIFSTOPPED(w))
47*7c478bd9Sstevel@tonic-gate #define WEXITSTATUS(w)	(int)(WIFEXITED(w) ? ((_W_INT(w) >> 8) & 0377) : -1)
48*7c478bd9Sstevel@tonic-gate #define WTERMSIG(w)	(int)(WIFSIGNALED(w) ? (_W_INT(w) & 0177) : -1)
49*7c478bd9Sstevel@tonic-gate #define WCOREFLAG	0x80
50*7c478bd9Sstevel@tonic-gate #define WCOREDUMP(w) 	((_W_INT(w)) & WCOREFLAG)
51*7c478bd9Sstevel@tonic-gate 
52*7c478bd9Sstevel@tonic-gate /* Prototype */
53*7c478bd9Sstevel@tonic-gate pid_t waitpid(int pid, int *stat_loc, int options);
54*7c478bd9Sstevel@tonic-gate 
55*7c478bd9Sstevel@tonic-gate #endif /* !HAVE_WAITPID */
56*7c478bd9Sstevel@tonic-gate 
57*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus
58*7c478bd9Sstevel@tonic-gate }
59*7c478bd9Sstevel@tonic-gate #endif
60*7c478bd9Sstevel@tonic-gate 
61*7c478bd9Sstevel@tonic-gate #endif /* _BSD_WAITPID_H */
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