mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 11:20:07 +00:00
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/* Copyright (C) 2002, 2005 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
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <pthreadP.h>
|
|
|
|
|
|
int
|
|
pthread_mutexattr_setpshared (attr, pshared)
|
|
pthread_mutexattr_t *attr;
|
|
int pshared;
|
|
{
|
|
struct pthread_mutexattr *iattr;
|
|
|
|
if (pshared != PTHREAD_PROCESS_PRIVATE
|
|
&& __builtin_expect (pshared != PTHREAD_PROCESS_SHARED, 0))
|
|
return EINVAL;
|
|
|
|
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;
|
|
}
|