12ce09e68SSiva Chandra Reddy //===-- Linux implementation of the thrd_create function ------------------===// 22ce09e68SSiva Chandra Reddy // 32ce09e68SSiva Chandra Reddy // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 42ce09e68SSiva Chandra Reddy // See https://llvm.org/LICENSE.txt for license information. 52ce09e68SSiva Chandra Reddy // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 62ce09e68SSiva Chandra Reddy // 72ce09e68SSiva Chandra Reddy //===----------------------------------------------------------------------===// 82ce09e68SSiva Chandra Reddy 92ce09e68SSiva Chandra Reddy #include "src/threads/thrd_create.h" 102ce09e68SSiva Chandra Reddy #include "src/__support/common.h" 112ce09e68SSiva Chandra Reddy #include "src/__support/threads/thread.h" 122ce09e68SSiva Chandra Reddy 132ce09e68SSiva Chandra Reddy #include <errno.h> 142ce09e68SSiva Chandra Reddy #include <threads.h> // For thrd_* type definitions. 152ce09e68SSiva Chandra Reddy 162ce09e68SSiva Chandra Reddy namespace __llvm_libc { 172ce09e68SSiva Chandra Reddy 18*f4580c6dSSiva Chandra Reddy static_assert(sizeof(thrd_t) == sizeof(__llvm_libc::Thread), 19*f4580c6dSSiva Chandra Reddy "Mismatch between thrd_t and internal Thread."); 202ce09e68SSiva Chandra Reddy 212ce09e68SSiva Chandra Reddy LLVM_LIBC_FUNCTION(int, thrd_create, 222ce09e68SSiva Chandra Reddy (thrd_t * th, thrd_start_t func, void *arg)) { 23*f4580c6dSSiva Chandra Reddy auto *thread = reinterpret_cast<__llvm_libc::Thread *>(th); 242ce09e68SSiva Chandra Reddy int result = thread->run(func, arg, nullptr, 0); 252ce09e68SSiva Chandra Reddy if (result == 0) 262ce09e68SSiva Chandra Reddy return thrd_success; 272ce09e68SSiva Chandra Reddy else if (result == ENOMEM) 282ce09e68SSiva Chandra Reddy return thrd_nomem; 292ce09e68SSiva Chandra Reddy else 302ce09e68SSiva Chandra Reddy return thrd_error; 312ce09e68SSiva Chandra Reddy } 322ce09e68SSiva Chandra Reddy 332ce09e68SSiva Chandra Reddy } // namespace __llvm_libc 34