Mojo Log service and a thread-safe client library.

mojo/public/cpp/environment/lib/logging.cc

 // Copyright 2014 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 "mojo/public/cpp/environment/logging.h"
 
 #include "mojo/public/cpp/environment/environment.h"
 
 namespace mojo {
 namespace internal {
@@ skipping 14 matching lines @@
       rv = s + 1;
     s++;
   }
   return rv;
 }
 
 }  // namespace
 
 // TODO(vtl): Maybe we should preserve the full path and strip it out at a
 // different level instead?
+// TODO(vardhan): Should we make a timestamp part of the LogMessage?  Since we
+// emit log messages only when we go out of scope, we won't know exactly when
+// log messages are issued.
 LogMessage::LogMessage(MojoLogLevel log_level, const char* file, int line)
     : log_level_(log_level), file_(GetFilename(file)), line_(line) {
 }
 
 LogMessage::~LogMessage() {
   Environment::GetDefaultLogger()->LogMessage(
       log_level_, file_, static_cast<uint32_t>(line_), stream_.str().c_str());
 }
 
 }  // namespace internal
 }  // namespace mojo