mes/lib/linux/waitpid.c

36 lines
1.2 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU Mes 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 3 of the License, or (at
* your option) any later version.
*
* GNU Mes 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/syscall.h>
#include <arch/syscall.h>
#include <sys/types.h>
pid_t
waitpid (pid_t pid, int *status_ptr, int options)
{
#if __i386__
return _sys_call3 (SYS_waitpid, (long) pid, (long) status_ptr, (int) options);
#elif __x86_64__ || __arm__
return _sys_call4 (SYS_wait4, (long) pid, (long) status_ptr, (int) options, 0);
#else
#error arch not supported
#endif
}