components/scheduler/child/pollable_thread_safe_flag.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/scheduler/child/pollable_thread_safe_flag.h"
   6
   7 PollableThreadSafeFlag::PollableThreadSafeFlag(base::Lock* write_lock_)
   8     : flag_(false), write_lock_(write_lock_) {
   9 }
  10
  11 PollableThreadSafeFlag::~PollableThreadSafeFlag() {
  12 }
  13
  14 void PollableThreadSafeFlag::SetWhileLocked(bool value) {
  15   write_lock_->AssertAcquired();
  16   base::subtle::Release_Store(&flag_, value);
  17 }
  18
  19 bool PollableThreadSafeFlag::IsSet() const {
  20   return base::subtle::Acquire_Load(&flag_) != false;
  21 }