1 | //===-- Linux implementation of the cnd_wait 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/cnd_wait.h" |
10 | #include "src/__support/common.h" |
11 | #include "src/__support/macros/config.h" |
12 | #include "src/__support/threads/CndVar.h" |
13 | #include "src/__support/threads/mutex.h" |
14 | |
15 | #include <threads.h> // cnd_t, mtx_t, thrd_error, thrd_success |
16 | |
17 | namespace LIBC_NAMESPACE_DECL { |
18 | |
19 | static_assert(sizeof(CndVar) == sizeof(cnd_t)); |
20 | |
21 | LLVM_LIBC_FUNCTION(int, cnd_wait, (cnd_t * cond, mtx_t *mtx)) { |
22 | CndVar *cndvar = reinterpret_cast<CndVar *>(cond); |
23 | Mutex *mutex = reinterpret_cast<Mutex *>(mtx); |
24 | return cndvar->wait(mutex) ? thrd_error : thrd_success; |
25 | } |
26 | |
27 | } // namespace LIBC_NAMESPACE_DECL |
28 | |