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(retval); 23 return result == 0 ? thrd_success : thrd_error; 24 } 25 26 } // namespace LIBC_NAMESPACE 27