1 | /* Acquire a rwlock for reading. Generic version. |
2 | Copyright (C) 2002-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
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 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <pthread.h> |
20 | #include <pt-internal.h> |
21 | |
22 | /* Implemented in pt-rwlock-timedrdlock.c. */ |
23 | extern int __pthread_rwlock_timedrdlock_internal (struct __pthread_rwlock |
24 | *rwlock, |
25 | clockid_t clockid, |
26 | const struct timespec |
27 | *abstime); |
28 | |
29 | /* Acquire RWLOCK for reading, block if we can't get it. */ |
30 | int |
31 | __pthread_rwlock_rdlock (struct __pthread_rwlock *rwlock) |
32 | { |
33 | return __pthread_rwlock_timedrdlock_internal (rwlock, clockid: -1, abstime: 0); |
34 | } |
35 | weak_alias (__pthread_rwlock_rdlock, pthread_rwlock_rdlock); |
36 | |