AbsoluteTimeout.h

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//==============================================================================================
//  FILENAME    :   AbsoluteTimeout.h
//  AUTHOR      :   vovechkin
//  CREATION    :   2005-01-20
//  Copyright (C) MicroStrategy Incorporated 2005
//==============================================================================================
#ifndef MSynch_AbsoluteTimeout_h
#define MSynch_AbsoluteTimeout_h

#include "Base/Defines/BasicTypes.h"
#include "PDCtime.h"
#if defined(_NO_EXCEPTION)
#include <stdio.h>
#endif

#ifndef WIN32
namespace MSynch
{
    inline void GetAbsoluteTimeout(struct timespec& oAbsoluteTimeout, unsigned Int32 iMilliseconds)
    {
        struct timeval lTimeValue;
        const int lResult = ::gettimeofday(&lTimeValue, NULL);

        if (lResult != 0)
        {
#if !defined(_NO_EXCEPTION)
            throw ("::gettimeofday failed");
#else
            printf("%s\n","::gettimeofday failed");
            return;
#endif  
        }

        lTimeValue.tv_sec += iMilliseconds / 1000;
        lTimeValue.tv_usec += (iMilliseconds % 1000) * 1000; // convert milli-seconds to micro-seconds

        if (lTimeValue.tv_usec >= 1000 * 1000)
        {
            // fix the micro-second overflow
            lTimeValue.tv_sec += 1;
            lTimeValue.tv_usec -= 1000 * 1000;
        }

        _ASSERT(lTimeValue.tv_usec < 1000 * 1000);

        oAbsoluteTimeout.tv_sec = lTimeValue.tv_sec;
        oAbsoluteTimeout.tv_nsec = lTimeValue.tv_usec * 1000; // convert micro-seconds to nano-seconds
    }
}
#endif // WIN32

#endif // MSynch_AbsoluteTimeout_h