// 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