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 | |
24 | int |
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 | } |
46 | versioned_symbol (libpthread, __pthread_cond_init, |
47 | pthread_cond_init, GLIBC_2_3_2); |
48 | |