blob: 31f95f4e394ba6af3bc52e8b4472251a7d35740b [file] [log] [blame]
// 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