| // 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_); |
| } |
| |
| void LockImpl::Unlock() { |
| ::ReleaseSRWLockExclusive(&native_handle_); |
| } |
| |
| } // namespace internal |
| } // namespace base |