| 1 | //===-- Implementation of the pthread_attr_getstack -----------------===// |
|---|---|
| 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 "pthread_attr_getstack.h" |
| 10 | #include "pthread_attr_getstacksize.h" |
| 11 | |
| 12 | #include "src/__support/common.h" |
| 13 | #include "src/__support/macros/optimization.h" |
| 14 | |
| 15 | #include <pthread.h> |
| 16 | |
| 17 | namespace LIBC_NAMESPACE { |
| 18 | |
| 19 | LLVM_LIBC_FUNCTION(int, pthread_attr_getstack, |
| 20 | (const pthread_attr_t *__restrict attr, |
| 21 | void **__restrict stack, size_t *__restrict stacksize)) { |
| 22 | // As of writing this `pthread_attr_getstacksize` can never fail. |
| 23 | int result = LIBC_NAMESPACE::pthread_attr_getstacksize(attr, stacksize); |
| 24 | if (LIBC_UNLIKELY(result != 0)) |
| 25 | return result; |
| 26 | *stack = attr->__stack; |
| 27 | return 0; |
| 28 | } |
| 29 | |
| 30 | } // namespace LIBC_NAMESPACE |
| 31 |