83 lines
3.1 KiB
C
83 lines
3.1 KiB
C
/*-
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Van Jacobson and Steven McCanne of Lawrence Berkeley Laboratory.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)wait.h 6.3 (Berkeley) 5/8/91
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* $Id: wait.h,v 1.2 1993/08/01 18:47:50 mycroft Exp $
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*/
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/* Define how to access the structure that the wait system call stores.
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On many systems, there is a structure defined for this.
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But on vanilla-ish USG systems there is not. */
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#ifndef HAVE_WAIT_STRUCT
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#define WAITTYPE int
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#define WIFSTOPPED(w) (((w)&0377) == 0177)
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#define WIFSIGNALED(w) (((w)&0377) != 0177 && ((w)&~0377) == 0)
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#define WIFEXITED(w) (((w)&0377) == 0)
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#define WEXITSTATUS(w) ((w) >> 8)
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#define WSTOPSIG(w) ((w) >> 8)
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#define WCOREDUMP(w) (((w)&0200) != 0)
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#define WTERMSIG(w) ((w) & 0177)
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#define WSETEXIT(w, status) ((w) = (status))
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#define WSETSTOP(w,sig) ((w) = (0177 | ((sig) << 8)))
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#else
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#include <sys/wait.h>
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#define WAITTYPE union wait
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#ifndef WEXITSTATUS
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#define WEXITSTATUS(w) (w).w_retcode
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#endif
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#ifndef WSTOPSIG
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#define WSTOPSIG(w) (w).w_stopsig
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#endif
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#ifndef WCOREDUMP
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#define WCOREDUMP(w) (w).w_coredump
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#endif
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#ifndef WTERMSIG
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#define WTERMSIG(w) (w).w_termsig
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#endif
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#ifndef WSETEXIT
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#define WSETEXIT(w, status) ((w).w_status = (status))
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#endif
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#ifndef WSETSTOP
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#define WSETSTOP(w,sig) \
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((w).w_stopsig = (sig), (w).w_coredump = 0, (w).w_termsig = 0177)
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#endif
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#endif
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