36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
/*
|
|
* This file is part of Jehanne.
|
|
*
|
|
* Copyright (C) 2015 Giacomo Tesio <giacomo@tesio.it>
|
|
*
|
|
* Jehanne 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, version 2 of the License.
|
|
*
|
|
* Jehanne 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 Jehanne. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <u.h>
|
|
#include <libc.h>
|
|
|
|
extern int32_t _mainpid; /* declared in $ARCH/argv0.c
|
|
* set by $ARCH/main9.S and $ARCH/syscall.c
|
|
*/
|
|
|
|
int32_t
|
|
jehanne_getmainpid(void)
|
|
{
|
|
/* getmainpid returns the pid of the process at the top of the
|
|
* stack, that is the process that started the main() function.
|
|
*
|
|
* it replace the old Plan9 _tos->pid
|
|
*/
|
|
return _mainpid;
|
|
}
|