2 * Copyright (c) 2000 Ben Lindstrom. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #ifndef _BSD_WAITPID_H
27 #define _BSD_WAITPID_H
30 /* Clean out any potential issues */
35 /* Define required functions to mimic a POSIX look and feel */
36 #define _W_INT(w) (*(int*)&(w)) /* convert union wait to int */
37 #define WIFEXITED(w) (!((_W_INT(w)) & 0377))
38 #define WIFSTOPPED(w) ((_W_INT(w)) & 0100)
39 #define WIFSIGNALED(w) (!WIFEXITED(w) && !WIFSTOPPED(w))
40 #define WEXITSTATUS(w) (int)(WIFEXITED(w) ? ((_W_INT(w) >> 8) & 0377) : -1)
41 #define WTERMSIG(w) (int)(WIFSIGNALED(w) ? (_W_INT(w) & 0177) : -1)
42 #define WCOREFLAG 0x80
43 #define WCOREDUMP(w) ((_W_INT(w)) & WCOREFLAG)
46 pid_t waitpid(int, int *, int);
48 #endif /* !HAVE_WAITPID */
49 #endif /* _BSD_WAITPID_H */