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/* NAME:
* wait.h - compensate for what vendors leave out
*
* AUTHOR:
* Simon J. Gerraty <sjg@crufty.net>
*/
/*
* RCSid:
* $Id: wait.h,v 1.6 2002/11/26 07:53:06 sjg Exp $
*
* @(#)Copyright (c) 1994, Simon J. Gerraty.
*
* This is free software. It comes with NO WARRANTY.
* Permission to use, modify and distribute this source code
* is granted subject to the following conditions.
* 1/ that the above copyright notice and this notice
* are preserved in all copies and that due credit be given
* to the author.
* 2/ that any changes to this code are clearly commented
* as such so that the author does not get blamed for bugs
* other than his own.
*
* Please send copies of changes and bug-fixes to:
* sjg@crufty.net
*/
#include <sys/wait.h>
#ifdef sun386
# define UNION_WAIT
# define WEXITSTATUS(x) ((&x)->w_retcode)
# define WTERMSIG(x) ((&x)->w_termsig)
# define WSTOPSIG(x) ((&x)->w_stopsig)
# define HAVE_WAIT4
#endif
#ifndef WAIT_T
# ifdef UNION_WAIT
# define WAIT_T union wait
# define WAIT_STATUS(x) (x).w_status
# else
# define WAIT_T int
# define WAIT_STATUS(x) x
# endif
#endif
#ifndef WEXITSTATUS
# define WEXITSTATUS(_X) (((int)(_X)>>8)&0377)
#endif
#ifndef WSTOPPED
# define WSTOPPED 0177
#endif
#ifndef WSTOPSIG
# define WSTOPSIG(x) WSTOPPED
#endif
#ifdef UNION_WAIT
#ifndef WSET_STOPCODE
#define WSET_STOPCODE(x, sig) ((&x)->w_stopsig = (sig))
#endif
#ifndef WSET_EXITCODE
#define WSET_EXITCODE(x, ret, sig) ((&x)->w_termsig = (sig), (&x)->w_retcode = (ret))
#endif
#else
#ifndef WSET_STOPCODE
#define WSET_STOPCODE(x, sig) ((x) = ((sig) << 8) | 0177)
#endif
#ifndef WSET_EXITCODE
#define WSET_EXITCODE(x, ret, sig) ((x) = (ret << 8) | (sig))
#endif
#endif
#ifndef HAVE_WAITPID
# ifdef HAVE_WAIT4
# define waitpid(pid, statusp, flags) wait4(pid, statusp, flags, (char *)0)
# else
# ifdef HAVE_WAIT3
# define waitpid(pid, statusp, flags) wait3(statusp, flags, (char *)0)
# endif
# endif
#endif
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