| 1 | //===-- Linux implementation of the pthread_mutex_lock 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_lock.h" |
| 10 | |
| 11 | #include "src/__support/common.h" |
| 12 | #include "src/__support/macros/config.h" |
| 13 | #include "src/__support/threads/mutex.h" |
| 14 | |
| 15 | #include <pthread.h> |
| 16 | |
| 17 | namespace LIBC_NAMESPACE_DECL { |
| 18 | |
| 19 | // The implementation currently handles only plain mutexes. |
| 20 | LLVM_LIBC_FUNCTION(int, pthread_mutex_lock, (pthread_mutex_t * mutex)) { |
| 21 | reinterpret_cast<Mutex *>(mutex)->lock(); |
| 22 | // TODO: When the Mutex class supports all the possible error conditions |
| 23 | // return the appropriate error value here. |
| 24 | return 0; |
| 25 | } |
| 26 | |
| 27 | } // namespace LIBC_NAMESPACE_DECL |
| 28 |