naiveproxy/base/synchronization/lock_impl_win.cc
2018-01-29 00:30:36 +08:00

27 lines
651 B
C++

// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/synchronization/lock_impl.h"
#include "base/debug/activity_tracker.h"
namespace base {
namespace internal {
LockImpl::LockImpl() : native_handle_(SRWLOCK_INIT) {}
LockImpl::~LockImpl() = default;
bool LockImpl::Try() {
return !!::TryAcquireSRWLockExclusive(&native_handle_);
}
void LockImpl::Lock() {
base::debug::ScopedLockAcquireActivity lock_activity(this);
::AcquireSRWLockExclusive(&native_handle_);
}
} // namespace internal
} // namespace base