1 | //===-- Linux implementation of the pthread_mutex_unlock function ---------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #include "pthread_mutex_unlock.h" |
10 | |
11 | #include "src/__support/common.h" |
12 | #include "src/__support/threads/mutex.h" |
13 | |
14 | #include <pthread.h> |
15 | |
16 | namespace LIBC_NAMESPACE { |
17 | |
18 | // The implementation currently handles only plain mutexes. |
19 | LLVM_LIBC_FUNCTION(int, pthread_mutex_unlock, (pthread_mutex_t * mutex)) { |
20 | reinterpret_cast<Mutex *>(mutex)->unlock(); |
21 | // TODO: When the Mutex class supports all the possible error conditions |
22 | // return the appropriate error value here. |
23 | return 0; |
24 | } |
25 | |
26 | } // namespace LIBC_NAMESPACE |
27 | |