35 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/threads/thrd_create.h"10#include "src/__support/common.h"11#include "src/__support/libc_errno.h"12#include "src/__support/macros/config.h"13#include "src/__support/threads/thread.h"14 15#include <threads.h> // For thrd_* type definitions.16 17namespace LIBC_NAMESPACE_DECL {18 19static_assert(sizeof(thrd_t) == sizeof(LIBC_NAMESPACE::Thread),20 "Mismatch between thrd_t and internal Thread.");21 22LLVM_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 else31 return thrd_error;32}33 34} // namespace LIBC_NAMESPACE_DECL35