libc/src/pthread/pthread_attr_init.cpp

   1 //===-- Implementation of the pthread_attr_init ---------------------------===//
   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_init.h"
  10
  11 #include "src/__support/common.h"
  12
  13 #include <linux/param.h> // For EXEC_PAGESIZE.
  14 #include <pthread.h>
  15
  16 namespace __llvm_libc {
  17
  18 LLVM_LIBC_FUNCTION(int, pthread_attr_init, (pthread_attr_t * attr)) {
  19   *attr = pthread_attr_t{
  20       false,         // Not detached
  21       nullptr,       // Let the thread manage its stack
  22       1 << 16,       // 64KB stack size
  23       EXEC_PAGESIZE, // Default page size for the guard size.
  24   };
  25   return 0;
  26 }
  27
  28 } // namespace __llvm_libc