| //===-- Linux implementation of the pthread_mutex_lock function -----------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "pthread_mutex_lock.h" |
| |
| #include "src/__support/common.h" |
| #include "src/__support/threads/mutex.h" |
| |
| #include <pthread.h> |
| |
| namespace LIBC_NAMESPACE { |
| |
| // The implementation currently handles only plain mutexes. |
| LLVM_LIBC_FUNCTION(int, pthread_mutex_lock, (pthread_mutex_t * mutex)) { |
| reinterpret_cast<Mutex *>(mutex)->lock(); |
| // TODO: When the Mutex class supports all the possible error conditions |
| // return the appropriate error value here. |
| return 0; |
| } |
| |
| } // namespace LIBC_NAMESPACE |