freebsd-src/contrib/cvs/lib/wait.h
Peter Wemm 18576028af Import of slightly trimmed cvs-1.8 distribution. Generated files
and non-unix code has been left out.
1996-08-20 23:46:10 +00:00

33 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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#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>
#else
#define WIFSTOPPED(w) (((w) & 0xff) == 0x7f)
#define WIFSIGNALED(w) (((w) & 0xff) != 0x7f && ((w) & 0xff) != 0)
#define WIFEXITED(w) (((w) & 0xff) == 0)
#define WSTOPSIG(w) (((w) >> 8) & 0xff)
#define WTERMSIG(w) ((w) & 0x7f)
#define WEXITSTATUS(w) (((w) >> 8) & 0xff)
#endif