1/* Copyright (C) 2002-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <shlib-compat.h>
20#include "pthreadP.h"
21#include <stap-probe.h>
22
23
24int
25__pthread_cond_init (pthread_cond_t *cond, const pthread_condattr_t *cond_attr)
26{
27 struct pthread_condattr *icond_attr = (struct pthread_condattr *) cond_attr;
28
29 cond->__data.__lock = LLL_LOCK_INITIALIZER;
30 cond->__data.__futex = 0;
31 cond->__data.__nwaiters = (icond_attr != NULL
32 ? ((icond_attr->value >> 1)
33 & ((1 << COND_NWAITERS_SHIFT) - 1))
34 : CLOCK_REALTIME);
35 cond->__data.__total_seq = 0;
36 cond->__data.__wakeup_seq = 0;
37 cond->__data.__woken_seq = 0;
38 cond->__data.__mutex = (icond_attr == NULL || (icond_attr->value & 1) == 0
39 ? NULL : (void *) ~0l);
40 cond->__data.__broadcast_seq = 0;
41
42 LIBC_PROBE (cond_init, 2, cond, cond_attr);
43
44 return 0;
45}
46versioned_symbol (libpthread, __pthread_cond_init,
47 pthread_cond_init, GLIBC_2_3_2);
48