51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "includes.h"
|
|
|
|
RCSID("$Id: bsd-waitpid.c,v 1.2 2001/02/09 01:55:36 djm Exp $");
|
|
|
|
#ifndef HAVE_WAITPID
|
|
#include <errno.h>
|
|
#include <sys/wait.h>
|
|
#include "bsd-waitpid.h"
|
|
|
|
pid_t
|
|
waitpid(int pid, int *stat_loc, int options)
|
|
{
|
|
union wait statusp;
|
|
pid_t wait_pid;
|
|
|
|
if (pid <= 0) {
|
|
if (pid != -1) {
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
pid = 0; /* wait4() wants pid=0 for indiscriminate wait. */
|
|
}
|
|
wait_pid = wait4(pid, &statusp, options, NULL);
|
|
stat_loc = (int *)statusp.w_status;
|
|
return wait_pid;
|
|
}
|
|
|
|
#endif /* !HAVE_WAITPID */
|