mes/lib/linux/waitpid.c
Jan (janneke) Nieuwenhuizen 6bc6e8354e lib: linux: Add wait4.
* lib/linux/waitpid.c (waitpid): Factor-out wait4 call to...
* lib/linux/wait4.c: ...new file here.
* include/sys/wait.h (wait4): Add prototype.  Include sys/resource.h.
* include/sys/resource.h (struct rusage): Remove gratuitous "int" for
M2-Planet.
* build-aux/configure-lib.sh (libc_SOURCES): Add it.
* kaem.run,
simple.make (M2_SOURCES),
simple.sh: Likewise.  Also add resource.h.
2023-05-03 08:04:32 +02:00

41 lines
1.3 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2018,2019,2022 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 <mes/lib.h>
#include <linux/syscall.h>
#include <arch/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
pid_t
waitpid (pid_t pid, int *status_ptr, int options)
{
long long_pid = pid;
long long_status_ptr = cast_voidp_to_long (status_ptr);
long long_options = options;
#if defined (SYS_waitpid)
return _sys_call3 (SYS_waitpid, long_pid, long_status_ptr, long_options);
#elif defined (SYS_wait4)
return wait4 (pid, status_ptr, options, 0);
#else
#error arch not supported
#endif
}