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/* Copyright (C) 2002-2017 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>
#include <futex-internal.h>
int
pthread_condattr_setpshared (pthread_condattr_t *attr, int pshared)
{
int err = futex_supports_pshared (pshared);
if (err != 0)
return err;
int *valuep = &((struct pthread_condattr *) attr)->value;
*valuep = (*valuep & ~1) | (pshared != PTHREAD_PROCESS_PRIVATE);
return 0;
}
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