freebsd-skq/contrib/cvs/lib/wait.h
1997-05-15 22:46:24 +00:00

40 lines
1.2 KiB
C

/* wait.h -- POSIX macros for evaluating exit statuses
Copyright (C) 1990 Free Software Foundation, Inc.
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. */
#ifdef HAVE_SYS_WAIT_H
#include <sys/types.h> /* For pid_t. */
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h> /* for rusage */
#endif
#include <sys/wait.h>
#endif
#ifndef WIFSTOPPED
#define WIFSTOPPED(w) (((w) & 0xff) == 0x7f)
#endif
#ifndef WIFSIGNALED
#define WIFSIGNALED(w) (((w) & 0xff) != 0x7f && ((w) & 0xff) != 0)
#endif
#ifndef WIFEXITED
#define WIFEXITED(w) (((w) & 0xff) == 0)
#endif
#ifndef WSTOPSIG
#define WSTOPSIG(w) (((w) >> 8) & 0xff)
#endif
#ifndef WTERMSIG
#define WTERMSIG(w) ((w) & 0x7f)
#endif
#ifndef WEXITSTATUS
#define WEXITSTATUS(w) (((w) >> 8) & 0xff)
#endif