glibc/nptl/pthread_getattr_default_np.c

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/* Get the default attributes used by pthread_create in the process.
Copyright (C) 2013 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
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stdlib.h>
#include <pthreadP.h>
#include <assert.h>
int
pthread_getattr_default_np (pthread_attr_t *out)
{
struct pthread_attr *real_out;
assert (sizeof (*out) >= sizeof (struct pthread_attr));
real_out = (struct pthread_attr *) out;
lll_lock (__default_pthread_attr_lock, LLL_PRIVATE);
*real_out = __default_pthread_attr;
lll_unlock (__default_pthread_attr_lock, LLL_PRIVATE);
return 0;
}