| 1 | //===-- Linux implementation of the mtx_init 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 "src/threads/mtx_init.h" |
| 10 | #include "src/__support/common.h" |
| 11 | #include "src/__support/threads/mutex.h" |
| 12 | |
| 13 | #include <threads.h> // For mtx_t definition. |
| 14 | |
| 15 | namespace LIBC_NAMESPACE { |
| 16 | |
| 17 | static_assert(sizeof(Mutex) <= sizeof(mtx_t), |
| 18 | "The public mtx_t type cannot accommodate the internal mutex " |
| 19 | "type."); |
| 20 | |
| 21 | LLVM_LIBC_FUNCTION(int, mtx_init, (mtx_t * m, int type)) { |
| 22 | auto err = Mutex::init(mutex: reinterpret_cast<Mutex *>(m), istimed: type & mtx_timed, |
| 23 | isrecur: type & mtx_recursive, isrobust: 0); |
| 24 | return err == MutexError::NONE ? thrd_success : thrd_error; |
| 25 | } |
| 26 | |
| 27 | } // namespace LIBC_NAMESPACE |
| 28 |