source: trash/InterruptableSleeper.cpp@ 5666

#include "InterruptableSleeper.h"



namespace spovnet {

namespace common {



InterruptableSleeper::InterruptableSleeper() {

        boost::mutex::scoped_lock scopedLock(m_mutex);



#ifdef WIN32

        m_handle = CreateEvent (NULL, TRUE, FALSE, NULL);

        assert (m_handle != NULL);

#else

        m_handle = new MUTEX_COND();

        int ret = 0;



        ret = pthread_mutex_init(&(m_handle->mutex), NULL);

        assert (ret == 0);



        ret = pthread_cond_init(&(m_handle->cond), NULL);

        assert (ret == 0);

#endif

}



InterruptableSleeper::~InterruptableSleeper() {

        boost::mutex::scoped_lock scopedLock(m_mutex);



#ifdef WIN32

        BOOL ret = CloseHandle (m_handle);

        assert (ret == TRUE);

#else

        int ret = 0;



        ret = pthread_cond_destroy(&(m_handle->cond));

        assert (ret == 0);



        ret = pthread_mutex_destroy(&(m_handle->mutex));

        assert (ret == 0);



        delete m_handle;

#endif

}



void InterruptableSleeper::interrupt() {

        boost::mutex::scoped_lock scopedLock(m_mutex);



#ifdef WIN32

        BOOL ret = SetEvent (m_handle);

        assert (ret == TRUE);

#else

        int ret = pthread_cond_signal(&(m_handle)->cond);

        assert (ret == 0);

#endif

}



void InterruptableSleeper::sleep(unsigned long millis) {

        //

        // NO mutex, otherwise the ::interrupt

        // function can not be called at all

        //



#ifdef WIN32



        DWORD dret = WaitForSingleObject (m_handle, millis);

        assert (dret != WAIT_FAILED);



#else



        int ret;

        struct timespec tm;

        struct timeb tp;



        ret = pthread_mutex_lock(&(m_handle->mutex));

        assert (ret == 0);



        long sec = millis / 1000;

        long millisec = millis % 1000;



        ftime(&tp);

        tp.time += sec;

        tp.millitm += millisec;



        if (tp.millitm > 999) {

                tp.millitm -= 1000;

                tp.time++;

        }



        tm.tv_sec = tp.time;

        tm.tv_nsec = tp.millitm * 1000000;



        ret = pthread_cond_timedwait(&(m_handle->cond), &(m_handle->mutex), &tm);

        assert (ret == 0 || ret == ETIMEDOUT);



        ret = pthread_mutex_unlock(&(m_handle->mutex));

        assert (ret == 0);



#endif



        //

        // under Windows we have to reset the event again

        //



#ifdef WIN32

        {

                boost::mutex::scoped_lock scopedLock (m_mutex);

                BOOL bret;

                bret = ResetEvent (m_handle);

                assert (bret == TRUE);

        }

#endif

}

}

} // namespace spovnet, common