32 lines · cpp
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-exception6//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/config.h"14#include "src/__support/macros/optimization.h"15 16#include <pthread.h>17 18namespace LIBC_NAMESPACE_DECL {19 20LLVM_LIBC_FUNCTION(int, pthread_attr_getstack,21 (const pthread_attr_t *__restrict attr,22 void **__restrict stack, size_t *__restrict stacksize)) {23 // As of writing this `pthread_attr_getstacksize` can never fail.24 int result = LIBC_NAMESPACE::pthread_attr_getstacksize(attr, stacksize);25 if (LIBC_UNLIKELY(result != 0))26 return result;27 *stack = attr->__stack;28 return 0;29}30 31} // namespace LIBC_NAMESPACE_DECL32