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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#ifndef HAVE_WAITPID
28/* Clean out any potental issues */
29#undef WIFEXITED
30#undef WIFSTOPPED
31#undef WIFSIGNALED
32
33/* Define required functions to mimic a POSIX look and feel */
34#define _W_INT(w) (*(int*)&(w)) /* convert union wait to int */
35#define WIFEXITED(w) (!((_W_INT(w)) & 0377))
36#define WIFSTOPPED(w) ((_W_INT(w)) & 0100)
37#define WIFSIGNALED(w) (!WIFEXITED(w) && !WIFSTOPPED(w))
38#define WEXITSTATUS(w) (int)(WIFEXITED(w) ? ((_W_INT(w) >> 8) & 0377) : -1)
39#define WTERMSIG(w) (int)(WIFSIGNALED(w) ? (_W_INT(w) & 0177) : -1)
40#define WCOREFLAG 0x80
41#define WCOREDUMP(w) ((_W_INT(w)) & WCOREFLAG)
42
43/* Prototype */
44pid_t waitpid(int pid, int *stat_loc, int options);
45
46#endif /* !HAVE_WAITPID */
47#endif /* _BSD_WAITPID_H */