| /* | 
 |  * Copyright 2016 Google Inc. All Rights Reserved. | 
 |  * | 
 |  * Licensed under the Apache License, Version 2.0 (the "License"); | 
 |  * you may not use this file except in compliance with the License. | 
 |  * You may obtain a copy of the License at | 
 |  * | 
 |  *     http://www.apache.org/licenses/LICENSE-2.0 | 
 |  * | 
 |  * Unless required by applicable law or agreed to in writing, software | 
 |  * distributed under the License is distributed on an "AS IS" BASIS, | 
 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 |  * See the License for the specific language governing permissions and | 
 |  * limitations under the License. | 
 |  */ | 
 |  | 
 | #include <cstddef> | 
 |  | 
 | #include "glimp/tracing/tracing.h" | 
 |  | 
 | #if defined(ENABLE_GLIMP_TRACING) | 
 |  | 
 | namespace glimp { | 
 |  | 
 | namespace { | 
 | TraceEventImpl* g_trace_event_implementation = NULL; | 
 | }  // namespace | 
 |  | 
 | ScopedTraceEvent::ScopedTraceEvent(const char* name) : name_(name) { | 
 |   if (g_trace_event_implementation) { | 
 |     g_trace_event_implementation->BeginTrace(name_); | 
 |   } | 
 | } | 
 |  | 
 | ScopedTraceEvent::~ScopedTraceEvent() { | 
 |   if (g_trace_event_implementation) { | 
 |     g_trace_event_implementation->EndTrace(name_); | 
 |   } | 
 | } | 
 |  | 
 | void SetTraceEventImplementation(TraceEventImpl* impl) { | 
 |   g_trace_event_implementation = impl; | 
 | } | 
 |  | 
 | }  // namespace glimp | 
 |  | 
 | #endif  // #if defined(ENABLE_GLIMP_TRACING) |