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 |