| 1 | //===-- Linux implementation of the thrd_join 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/thrd_join.h" |
| 10 | #include "src/__support/common.h" |
| 11 | #include "src/__support/threads/thread.h" |
| 12 | |
| 13 | #include <threads.h> // For thrd_* type definitions. |
| 14 | |
| 15 | namespace LIBC_NAMESPACE { |
| 16 | |
| 17 | static_assert(sizeof(thrd_t) == sizeof(LIBC_NAMESPACE::Thread), |
| 18 | "Mismatch between thrd_t and internal Thread."); |
| 19 | |
| 20 | LLVM_LIBC_FUNCTION(int, thrd_join, (thrd_t th, int *retval)) { |
| 21 | auto *thread = reinterpret_cast<Thread *>(&th); |
| 22 | int result = thread->join(val: retval); |
| 23 | return result == 0 ? thrd_success : thrd_error; |
| 24 | } |
| 25 | |
| 26 | } // namespace LIBC_NAMESPACE |
| 27 |