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