1 //===-- Implementation of the pthread_attr_setguardsize -----------------===// 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_setguardsize.h" 10 11 #include "src/__support/common.h" 12 #include "src/__support/macros/config.h" 13 #include "src/errno/libc_errno.h" 14 15 #include <linux/param.h> // For EXEC_PAGESIZE. 16 #include <pthread.h> 17 18 namespace LIBC_NAMESPACE_DECL { 19 20 LLVM_LIBC_FUNCTION(int, pthread_attr_setguardsize, 21 (pthread_attr_t *__restrict attr, size_t guardsize)) { 22 if (guardsize % EXEC_PAGESIZE != 0) 23 return EINVAL; 24 attr->__guardsize = guardsize; 25 return 0; 26 } 27 28 } // namespace LIBC_NAMESPACE_DECL 29