libc/src/pthread/pthread_attr_setguardsize.cpp

   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