// Copyright (c) 2009 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 "ipc/ipc_counters.h" #include "base/stats_counters.h" namespace IPC { // Note: We use the construct-on-first-use pattern here, because we don't // want to fight with any static initializer ordering problems later. // The downside of this is that the objects don't ever get cleaned up. // But they are small and this is okay. // Note: Because these are constructed on-first-use, there is a slight // race condition - two threads could initialize the same counter. // If this happened, the stats table would still work just fine; // we'd leak the extraneous StatsCounter object once, and that // would be it. But these are small objects, so this is ok. StatsCounter& Counters::ipc_send_counter() { static StatsCounter* ctr = new StatsCounter("IPC.SendMsgCount"); return *ctr; } } // namespace IPC