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# threads.h

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    00001 // Module:  Log4CPLUS
    00002 // File:    threads.h
    00003 // Created: 6/2001
    00004 // Author:  Tad E. Smith
    00005 //
    00006 //
    00007 // Copyright (C) Tad E. Smith  All rights reserved.
    00008 //
    00009 // This software is published under the terms of the Apache Software
    00010 // License version 1.1, a copy of which has been included with this
    00011 // distribution in the LICENSE.APL file.
    00012 //
    00013
    00016 #ifndef _LOG4CPLUS_THREADS_HEADER_
    00017 #define _LOG4CPLUS_THREADS_HEADER_
    00018
    00019 #include <log4cplus/config.h>
    00020 #include <log4cplus/tstring.h>
    00021 #include <log4cplus/helpers/sleep.h>
    00022 #include <log4cplus/helpers/pointer.h>
    00023 #include <memory>
    00024
    00025
    00026 namespace log4cplus {
    00027     namespace thread {
    00028
    00032         class LOG4CPLUS_EXPORT Guard {
    00033         public:
    00035             Guard(LOG4CPLUS_MUTEX_PTR_DECLARE mutex) {
    00036                 LOG4CPLUS_MUTEX_ASSIGN( _mutex, mutex );
    00037                 LOG4CPLUS_MUTEX_LOCK( _mutex );
    00038             }
    00039
    00041             ~Guard() { LOG4CPLUS_MUTEX_UNLOCK( _mutex ); }
    00042
    00043         private:
    00044             LOG4CPLUS_MUTEX_PTR_DECLARE _mutex;
    00045
    00046             // disable copy
    00047             Guard(const Guard&);
    00048             Guard& operator=(const Guard&);
    00049         };
    00050
    00051 #ifndef LOG4CPLUS_SINGLE_THREADED
    00052 #ifdef LOG4CPLUS_USE_PTHREADS
    00053         void* threadStartFunc(void*);
    00054 #elif defined(LOG4CPLUS_USE_WIN32_THREADS)
    00055         DWORD WINAPI threadStartFunc(LPVOID arg);
    00056 #endif
    00057
    00058         LOG4CPLUS_EXPORT void yield();
    00059         LOG4CPLUS_EXPORT log4cplus::tstring getCurrentThreadName();
    00060
    00067         class LOG4CPLUS_EXPORT AbstractThread : public log4cplus::helpers::SharedObject {
    00068         public:
    00069             AbstractThread();
    00070             bool isRunning() { return running; }
    00071             LOG4CPLUS_THREAD_KEY_TYPE getThreadId() { return threadId; }
    00072             virtual void start();
    00073
    00074         protected:
    00075             // Force objects to be constructed on the heap
    00076             virtual ~AbstractThread();
    00077             virtual void run() = 0;
    00078
    00079         private:
    00080             bool running;
    00081             LOG4CPLUS_THREAD_KEY_TYPE threadId;
    00082
    00083             // Disallow copying of instances of this class
    00084             AbstractThread(const AbstractThread&);
    00085             AbstractThread& operator=(const AbstractThread&);
    00086
    00087         // Friends
    00088 #ifdef LOG4CPLUS_USE_PTHREADS
    00089         friend void* threadStartFunc(void*);
    00090 #elif defined(LOG4CPLUS_USE_WIN32_THREADS)
    00091         friend DWORD WINAPI threadStartFunc(LPVOID arg);
    00092 #endif
    00093
    00094         };
    00095 #endif // LOG4CPLUS_SINGLE_THREADED
    00096
    00097     } // end namespace thread
    00098 } // end namespace log4cplus
    00099
    00100
    00101 #endif // _LOG4CPLUS_THREADS_HEADER_
    00102