| /* |
| * Copyright 2010 Google Inc. |
| * |
| * 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. |
| */ |
| |
| // Author: jmarantz@google.com (Joshua Marantz) |
| |
| #include "pagespeed/kernel/util/simple_stats.h" |
| |
| #include "pagespeed/kernel/base/abstract_mutex.h" |
| #include "pagespeed/kernel/base/string_util.h" |
| #include "pagespeed/kernel/base/thread_system.h" |
| |
| namespace net_instaweb { |
| |
| SimpleStats::SimpleStats(ThreadSystem* thread_system) |
| : thread_system_(thread_system) { |
| } |
| |
| SimpleStats::~SimpleStats() { |
| } |
| |
| CountHistogram* SimpleStats::NewHistogram(StringPiece /*name*/) { |
| return new CountHistogram(thread_system_->NewMutex()); |
| } |
| |
| SimpleStats::Var* SimpleStats::NewVariable(StringPiece name) { |
| Var* var = new Var(name, this); |
| var->impl()->set_mutex(thread_system_->NewMutex()); |
| return var; |
| } |
| |
| SimpleStats::UpDown* SimpleStats::NewUpDownCounter(StringPiece name) { |
| UpDown* up_down = new UpDown(name, this); |
| up_down->impl()->set_mutex(thread_system_->NewMutex()); |
| return up_down; |
| } |
| |
| SimpleStatsVariable::SimpleStatsVariable(StringPiece name, Statistics* stats) |
| : value_(0) {} |
| |
| SimpleStatsVariable::~SimpleStatsVariable() { |
| } |
| |
| int64 SimpleStatsVariable::GetLockHeld() const { |
| return value_; |
| } |
| |
| int64 SimpleStatsVariable::SetReturningPreviousValueLockHeld(int64 value) { |
| int64 previous_value = value_; |
| value_ = value; |
| return previous_value; |
| } |
| |
| } // namespace net_instaweb |