mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-18 00:41:06 +00:00
43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
|
/* prctl - Linux specific syscall.
|
||
|
|
Copyright (C) 2020 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Lesser General Public
|
||
|
|
License as published by the Free Software Foundation; either
|
||
|
|
version 2.1 of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
The GNU C Library 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
|
||
|
|
Lesser General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public
|
||
|
|
License along with the GNU C Library; if not, see
|
||
|
|
<https://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
#include <sysdep.h>
|
||
|
|
#include <stdarg.h>
|
||
|
|
#include <sys/prctl.h>
|
||
|
|
|
||
|
|
/* Unconditionally read all potential arguments. This may pass
|
||
|
|
garbage values to the kernel, but avoids the need for teaching
|
||
|
|
glibc the argument counts of individual options (including ones
|
||
|
|
that are added to the kernel in the future). */
|
||
|
|
|
||
|
|
int
|
||
|
|
__prctl (int option, ...)
|
||
|
|
{
|
||
|
|
va_list arg;
|
||
|
|
va_start (arg, option);
|
||
|
|
unsigned long int arg2 = va_arg (arg, unsigned long int);
|
||
|
|
unsigned long int arg3 = va_arg (arg, unsigned long int);
|
||
|
|
unsigned long int arg4 = va_arg (arg, unsigned long int);
|
||
|
|
unsigned long int arg5 = va_arg (arg, unsigned long int);
|
||
|
|
va_end (arg);
|
||
|
|
return INLINE_SYSCALL_CALL (prctl, option, arg2, arg3, arg4, arg5);
|
||
|
|
}
|
||
|
|
|
||
|
|
libc_hidden_def (__prctl)
|
||
|
|
weak_alias (__prctl, prctl)
|