1 //===-- Linux implementation of the thrd_create 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_create.h" 10 #include "src/__support/common.h" 11 #include "src/__support/macros/config.h" 12 #include "src/__support/threads/thread.h" 13 #include "src/errno/libc_errno.h" 14 15 #include <threads.h> // For thrd_* type definitions. 16 17 namespace LIBC_NAMESPACE_DECL { 18 19 static_assert(sizeof(thrd_t) == sizeof(LIBC_NAMESPACE::Thread), 20 "Mismatch between thrd_t and internal Thread."); 21 22 LLVM_LIBC_FUNCTION(int, thrd_create, 23 (thrd_t * th, thrd_start_t func, void *arg)) { 24 auto *thread = reinterpret_cast<LIBC_NAMESPACE::Thread *>(th); 25 int result = thread->run(func, arg); 26 if (result == 0) 27 return thrd_success; 28 else if (result == ENOMEM) 29 return thrd_nomem; 30 else 31 return thrd_error; 32 } 33 34 } // namespace LIBC_NAMESPACE_DECL 35