1 //===-- Implementation of the pthread_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 "pthread_join.h" 10 11 #include "src/__support/common.h" 12 #include "src/__support/threads/thread.h" 13 14 #include <pthread.h> // For pthread_* type definitions. 15 16 namespace LIBC_NAMESPACE { 17 18 static_assert(sizeof(pthread_t) == sizeof(LIBC_NAMESPACE::Thread), 19 "Mismatch between pthread_t and internal Thread."); 20 21 LLVM_LIBC_FUNCTION(int, pthread_join, (pthread_t th, void **retval)) { 22 auto *thread = reinterpret_cast<Thread *>(&th); 23 int result = thread->join(retval); 24 return result; 25 } 26 27 } // namespace LIBC_NAMESPACE 28