| 1 | //===-- Implementation of the pthread_attr_getstack -----------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "pthread_attr_getstack.h" |
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| 10 | #include "pthread_attr_getstacksize.h" |
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| 11 | |
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| 12 | #include "src/__support/common.h" |
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| 13 | #include "src/__support/macros/config.h" |
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| 14 | #include "src/__support/macros/optimization.h" |
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| 15 | |
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| 16 | #include <pthread.h> |
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| 17 | |
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| 18 | namespace LIBC_NAMESPACE_DECL { |
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| 19 | |
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| 20 | LLVM_LIBC_FUNCTION(int, pthread_attr_getstack, |
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| 21 | (const pthread_attr_t *__restrict attr, |
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| 22 | void **__restrict stack, size_t *__restrict stacksize)) { |
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| 23 | // As of writing this `pthread_attr_getstacksize` can never fail. |
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| 24 | int result = LIBC_NAMESPACE::pthread_attr_getstacksize(attr, stacksize); |
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| 25 | if (LIBC_UNLIKELY(result != 0)) |
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| 26 | return result; |
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| 27 | *stack = attr->__stack; |
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| 28 | return 0; |
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| 29 | } |
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| 30 | |
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| 31 | } // namespace LIBC_NAMESPACE_DECL |
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| 32 | |
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