oflog/include/dcmtk/oflog/helpers/threads.h

Go to the documentation of this file.

// Module:  Log4CPLUS
// File:    threads.h
// Created: 6/2001
// Author:  Tad E. Smith
//
//
// Copyright 2001-2010 Tad E. Smith
//
// 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.

#ifndef _LOG4CPLUS_THREADS_HEADER_
#define _LOG4CPLUS_THREADS_HEADER_

#include "dcmtk/oflog/config.h"
#include "dcmtk/oflog/tstring.h"
#include "dcmtk/oflog/helpers/pointer.h"


namespace log4cplus { namespace thread {

class Guard
{
public:
    Guard(LOG4CPLUS_MUTEX_PTR_DECLARE mutex)
        : _mutex (mutex)
    {
        LOG4CPLUS_MUTEX_LOCK( _mutex );
    }

    ~Guard()
    {
        LOG4CPLUS_MUTEX_UNLOCK( _mutex );
    }

private:
    LOG4CPLUS_MUTEX_PTR_DECLARE _mutex;

    // disable copy
    Guard(const Guard&);
    Guard& operator=(const Guard&);
};


#ifndef LOG4CPLUS_SINGLE_THREADED

LOG4CPLUS_EXPORT void blockAllSignals();
LOG4CPLUS_EXPORT tstring getCurrentThreadName();


struct ThreadStart;


class LOG4CPLUS_EXPORT AbstractThread
    : public virtual log4cplus::helpers::SharedObject
{
public:
    AbstractThread();
    bool isRunning() const { return running; }
    LOG4CPLUS_THREAD_KEY_TYPE getThreadId() const;
    LOG4CPLUS_THREAD_HANDLE_TYPE getThreadHandle () const;
    virtual void start();
    void join () const;

protected:
    // Force objects to be constructed on the heap
    virtual ~AbstractThread();
    virtual void run() = 0;

private:
    bool running;

    // Friends.
    friend struct ThreadStart;

#  ifdef LOG4CPLUS_USE_PTHREADS
    pthread_t handle;

#  elif defined(LOG4CPLUS_USE_WIN32_THREADS)
    HANDLE handle;
    unsigned thread_id;

#  endif

    // Disallow copying of instances of this class.
    AbstractThread(const AbstractThread&);
    AbstractThread& operator=(const AbstractThread&);
};

typedef helpers::SharedObjectPtr<AbstractThread> AbstractThreadPtr;


#endif // LOG4CPLUS_SINGLE_THREADED


} } // namespace log4cplus { namespace thread {


#endif // _LOG4CPLUS_THREADS_HEADER_

---

Generated on 6 Jan 2011 for OFFIS DCMTK Version 3.6.0 by Doxygen 1.5.1