mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-15 01:21:06 +00:00
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
|
|
|
|
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 <errno.h>
|
|
#include <pthreadP.h>
|
|
#include <futex-internal.h>
|
|
|
|
|
|
int
|
|
pthread_mutexattr_setpshared (pthread_mutexattr_t *attr, int pshared)
|
|
{
|
|
struct pthread_mutexattr *iattr;
|
|
|
|
int err = futex_supports_pshared (pshared);
|
|
if (err != 0)
|
|
return err;
|
|
|
|
iattr = (struct pthread_mutexattr *) attr;
|
|
|
|
if (pshared == PTHREAD_PROCESS_PRIVATE)
|
|
iattr->mutexkind &= ~PTHREAD_MUTEXATTR_FLAG_PSHARED;
|
|
else
|
|
iattr->mutexkind |= PTHREAD_MUTEXATTR_FLAG_PSHARED;
|
|
|
|
return 0;
|
|
}
|