1 | //===-- Linux implementation of the thrd_join function --------------------===// |
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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 |