| //===-- Linux implementation of the pthread_create function ---------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "pthread_create.h" |
| |
| #include "src/__support/common.h" |
| #include "src/__support/threads/thread.h" |
| |
| #include <errno.h> |
| #include <pthread.h> // For pthread_* type definitions. |
| |
| namespace __llvm_libc { |
| |
| static_assert(sizeof(pthread_t) == sizeof(__llvm_libc::Thread), |
| "Mismatch between pthread_t and internal Thread."); |
| |
| LLVM_LIBC_FUNCTION(int, pthread_create, |
| (pthread_t *__restrict th, |
| const pthread_attr_t *__restrict attr, |
| __pthread_start_t func, void *arg)) { |
| auto *thread = reinterpret_cast<__llvm_libc::Thread *>(th); |
| int result = thread->run(func, arg, nullptr, 0); |
| if (result != 0 && result != EPERM) |
| return EAGAIN; |
| return result; |
| } |
| |
| } // namespace __llvm_libc |