Page Speed Optimization Libraries  1.5.27.2
net/instaweb/util/public/null_thread_system.h
Go to the documentation of this file.
00001 /*
00002  * Copyright 2013 Google Inc.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *      http:///www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00028 
00029 #ifndef NET_INSTAWEB_UTIL_PUBLIC_NULL_THREAD_SYSTEM_H_
00030 #define NET_INSTAWEB_UTIL_PUBLIC_NULL_THREAD_SYSTEM_H_
00031 
00032 #include "net/instaweb/util/public/thread_system.h"
00033 #include "pagespeed/kernel/base/basictypes.h"
00034 
00035 namespace net_instaweb {
00036 
00037 class Timer;
00038 
00042 class NullThreadSystem : public ThreadSystem {
00043  public:
00044   NullThreadSystem() : thread_id_(1) {}
00045   virtual ~NullThreadSystem();
00046   virtual CondvarCapableMutex* NewMutex();
00047   virtual RWLock* NewRWLock();
00048   virtual Timer* NewTimer();
00049   virtual ThreadId* GetThreadId() const;
00050 
00052   void set_current_thread(int id) { thread_id_ = id; }
00053   int current_thread() const { return thread_id_; }
00054 
00055  private:
00056   virtual ThreadImpl* NewThreadImpl(Thread* wrapper, ThreadFlags flags);
00057 
00058  private:
00059   int thread_id_;
00060 
00061   DISALLOW_COPY_AND_ASSIGN(NullThreadSystem);
00062 };
00063 
00064 }  
00065 
00066 #endif  ///< NET_INSTAWEB_UTIL_PUBLIC_NULL_THREAD_SYSTEM_H_
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines