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mescc: Mes C Library: Add waitpid for M2-Planet.

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* lib/m2/waitpid.c: New file.
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Jan (janneke) Nieuwenhuizen 2020-07-25 20:05:29 +02:00
parent e103008c2e
commit c58049d48d
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1 changed files with 39 additions and 0 deletions
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lib/m2/waitpid.c Normal file
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/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2018,2019,2020,2022 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 <syscall.h>
#include <sys/types.h>
int
waitpid (int 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 __i386__
//# return _sys_call3 (SYS_waitpid, long_pid, long_status_ptr, long_options);
//##elif __x86_64__ || __arm__
return _sys_call4 (SYS_wait4, long_pid, long_status_ptr, long_options, 0);
//##else
//##error arch not supported
//##endif
}