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