root/content/common/content_ipc_logging.cc

DEFINITIONS

1. RegisterIPCLogger

// Copyright (c) 2012 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_message.h"  // For IPC_MESSAGE_LOG_ENABLED.

#if defined(IPC_MESSAGE_LOG_ENABLED)
#define IPC_MESSAGE_MACROS_LOG_ENABLED
#include "content/public/common/content_ipc_logging.h"
#define IPC_LOG_TABLE_ADD_ENTRY(msg_id, logger) \
    content::RegisterIPCLogger(msg_id, logger)
#include "content/common/all_messages.h"
#endif

#if defined(IPC_MESSAGE_LOG_ENABLED)

#include "base/containers/hash_tables.h"
#include "base/lazy_instance.h"

namespace content {

namespace {

base::LazyInstance<base::hash_map<uint32, LogFunction> >::Leaky
    g_log_function_mapping = LAZY_INSTANCE_INITIALIZER;

}  // namespace

void RegisterIPCLogger(uint32 msg_id, LogFunction logger) {
  if (g_log_function_mapping == NULL)
    IPC::Logging::set_log_function_map(g_log_function_mapping.Pointer());
  g_log_function_mapping.Get()[msg_id] = logger;
}

}  // content

#endif