28 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/threads/thrd_join.h"10#include "src/__support/common.h"11#include "src/__support/macros/config.h"12#include "src/__support/threads/thread.h"13 14#include <threads.h> // For thrd_* type definitions.15 16namespace LIBC_NAMESPACE_DECL {17 18static_assert(sizeof(thrd_t) == sizeof(LIBC_NAMESPACE::Thread),19 "Mismatch between thrd_t and internal Thread.");20 21LLVM_LIBC_FUNCTION(int, thrd_join, (thrd_t th, int *retval)) {22 auto *thread = reinterpret_cast<Thread *>(&th);23 int result = thread->join(retval);24 return result == 0 ? thrd_success : thrd_error;25}26 27} // namespace LIBC_NAMESPACE_DECL28