log4cplus  2.0.0
threads.h
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00001 // -*- C++ -*-
00002 // Module:  Log4CPLUS
00003 // File:    threads.h
00004 // Created: 6/2001
00005 // Author:  Tad E. Smith
00006 //
00007 //
00008 // Copyright 2001-2015 Tad E. Smith
00009 //
00010 // Licensed under the Apache License, Version 2.0 (the "License");
00011 // you may not use this file except in compliance with the License.
00012 // You may obtain a copy of the License at
00013 //
00014 //     http://www.apache.org/licenses/LICENSE-2.0
00015 //
00016 // Unless required by applicable law or agreed to in writing, software
00017 // distributed under the License is distributed on an "AS IS" BASIS,
00018 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00019 // See the License for the specific language governing permissions and
00020 // limitations under the License.
00021 
00024 #ifndef LOG4CPLUS_THREADS_HEADER_
00025 #define LOG4CPLUS_THREADS_HEADER_
00026 
00027 #include <log4cplus/config.hxx>
00028 
00029 #if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
00030 #pragma once
00031 #endif
00032 
00033 #include <memory>
00034 #include <thread>
00035 
00036 #include <log4cplus/tstring.h>
00037 #include <log4cplus/helpers/pointer.h>
00038 
00039 
00040 namespace log4cplus { namespace thread {
00041 
00042 
00043 LOG4CPLUS_EXPORT log4cplus::tstring const & getCurrentThreadName();
00044 LOG4CPLUS_EXPORT log4cplus::tstring const & getCurrentThreadName2();
00045 LOG4CPLUS_EXPORT void setCurrentThreadName(const log4cplus::tstring & name);
00046 LOG4CPLUS_EXPORT void setCurrentThreadName2(const log4cplus::tstring & name);
00047 LOG4CPLUS_EXPORT void yield();
00048 LOG4CPLUS_EXPORT void blockAllSignals();
00049 
00050 
00051 #ifndef LOG4CPLUS_SINGLE_THREADED
00052 
00053 
00060 class LOG4CPLUS_EXPORT AbstractThread
00061     : public virtual log4cplus::helpers::SharedObject
00062 {
00063 public:
00064     AbstractThread();
00065     // Disallow copying of instances of this class.
00066     AbstractThread(const AbstractThread&) = delete;
00067     AbstractThread& operator=(const AbstractThread&) = delete;
00068 
00069     bool isRunning() const;
00070     virtual void start();
00071     void join () const;
00072     virtual void run() = 0;
00073 
00074 protected:
00075     // Force objects to be constructed on the heap
00076     virtual ~AbstractThread();
00077 
00078 private:
00079     enum Flags
00080     {
00081         fRUNNING = 1,
00082         fJOINED = 2
00083     };
00084 
00085     std::unique_ptr<std::thread> thread;
00086     mutable std::atomic<int> flags;
00087 };
00088 
00089 typedef helpers::SharedObjectPtr<AbstractThread> AbstractThreadPtr;
00090 
00091 
00092 #endif // LOG4CPLUS_SINGLE_THREADED
00093 
00094 
00095 } } // namespace log4cplus { namespace thread {
00096 
00097 
00098 #endif // LOG4CPLUS_THREADS_HEADER_