| //===-- Linux implementation of the mtx_unlock 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 "src/threads/mtx_unlock.h" |
| #include "src/__support/common.h" |
| #include "src/__support/threads/mutex.h" |
| |
| #include <threads.h> // For mtx_t definition. |
| |
| namespace LIBC_NAMESPACE { |
| |
| // The implementation currently handles only plain mutexes. |
| LLVM_LIBC_FUNCTION(int, mtx_unlock, (mtx_t * mutex)) { |
| auto *m = reinterpret_cast<Mutex *>(mutex); |
| auto err = m->unlock(); |
| return err == MutexError::NONE ? thrd_success : thrd_error; |
| } |
| |
| } // namespace LIBC_NAMESPACE |