blob: 1a61b357edb899ff6f64c829e78a9a9f1c64bbec (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/* Copyright (C) 2002-2016 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 <lowlevellock.h>
#include <sparc-nptl.h>
int
pthread_barrier_destroy (pthread_barrier_t *barrier)
{
union sparc_pthread_barrier *ibarrier;
int result = EBUSY;
ibarrier = (union sparc_pthread_barrier *) barrier;
int private = ibarrier->s.pshared ? LLL_SHARED : LLL_PRIVATE;
lll_lock (ibarrier->b.lock, private);
if (__glibc_likely (ibarrier->b.left == ibarrier->b.init_count))
/* The barrier is not used anymore. */
result = 0;
else
/* Still used, return with an error. */
lll_unlock (ibarrier->b.lock, private);
return result;
}
|
