glibc/sysdeps/posix/wait3.c
1995-02-18 01:27:10 +00:00

43 lines
1.5 KiB
C

/* Copyright (C) 1992, 1993, 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <errno.h>
#include <sys/wait.h>
#include <sys/types.h>
#include <stddef.h>
/* Wait for a child to exit. When one does, put its status in *STAT_LOC and
return its process ID. For errors return (pid_t) -1. If USAGE is not nil,
store information about the child's resource usage (as a `struct rusage')
there. If the WUNTRACED bit is set in OPTIONS, return status for stopped
children; otherwise don't. */
pid_t
DEFUN(__wait3, (stat_loc, options, usage),
__WAIT_STATUS_DEFN stat_loc AND int options AND struct rusage *usage)
{
if (usage != NULL)
{
errno = ENOSYS;
return (pid_t) -1;
}
return __waitpid (WAIT_ANY, stat_loc, options);
}
weak_alias (__wait3, wait3)