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/* @(#)waitdefs.h 1.5 98/07/20 Copyright 1995 J. Schilling */
/*
* Definitions to deal with various kinds of wait flavour
*
* Copyright (c) 1995 J. Schilling
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _WAITDEFS_H
#define _WAITDEFS_H
#if defined(HAVE_WAIT_H)
# include <wait.h>
#else
/*
* K&R Compiler doesn't like #elif
*/
# if defined(HAVE_SYS_WAIT_H)
# include <sys/wait.h>
# endif
#endif
#ifdef HAVE_UNION_WAIT
# define WAIT_T union wait
# ifndef WTERMSIG
# define WTERMSIG(status) ((status).w_termsig)
# endif
# ifndef WCOREDUMP
# define WCOREDUMP(status) ((status).w_coredump)
# endif
# ifndef WEXITSTATUS
# define WEXITSTATUS(status) ((status).w_retcode)
# endif
# ifndef WSTOPSIG
# define WSTOPSIG(status) ((status).w_stopsig)
# endif
#else
# define WAIT_T int
# ifndef WTERMSIG
# define WTERMSIG(status) ((status) & 0x7F)
# endif
# ifndef WCOREDUMP
# define WCOREDUMP(status) ((status) & 0x80)
# endif
# ifndef WEXITSTATUS
# define WEXITSTATUS(status) (((status) >> 8) & 0xFF)
# endif
# ifndef WSTOPSIG
# define WSTOPSIG(status) (((status) >> 8) & 0xFF)
# endif
#endif
#ifndef WIFSTOPPED
# define WIFSTOPPED(status) (((status) & 0xFF) == 0x7F)
#endif
#ifndef WIFSIGNALED
# define WIFSIGNALED(status) (((status) & 0xFF) != 0x7F && \
WTERMSIG(status) != 0)
#endif
#ifndef WIFEXITED
# define WIFEXITED(status) (((status) & 0xFF) == 0)
#endif
#ifndef WCOREFLG
#define WCOREFLG 0x80
#endif
#ifndef WSTOPFLG
#define WSTOPFLG 0x7F
#endif
#ifndef WCONTFLG
#define WCONTFLG 0xFFFF
#endif
#endif /* _WAITDEFS_H */
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