libc/src/pthread/pthread_attr_setstacksize.cpp

   1 //===-- Implementation of the pthread_attr_setstacksize -----------------===//
   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_setstacksize.h"
  10
  11 #include "src/__support/common.h"
  12
  13 #include <errno.h>
  14 #include <pthread.h>
  15
  16 namespace LIBC_NAMESPACE {
  17
  18 LLVM_LIBC_FUNCTION(int, pthread_attr_setstacksize,
  19                    (pthread_attr_t *__restrict attr, size_t stacksize)) {
  20   // TODO: Should we also ensure stacksize % EXEC_PAGESIZE == 0?
  21   if (stacksize < PTHREAD_STACK_MIN)
  22     return EINVAL;
  23   attr->__stack = nullptr;
  24   attr->__stacksize = stacksize;
  25   return 0;
  26 }
  27
  28 } // namespace LIBC_NAMESPACE