source: box/trunk/lib/server/OverlappedIO.h @ 2313

// --------------------------------------------------------------------------
//
// File
//              Name:    OverlappedIO.h
//              Purpose: Windows overlapped IO handle guard
//              Created: 2008/09/30
//
// --------------------------------------------------------------------------

#ifndef OVERLAPPEDIO__H
#define OVERLAPPEDIO__H

class OverlappedIO
{
public:
        OVERLAPPED mOverlapped;

        OverlappedIO()
        {
                ZeroMemory(&mOverlapped, sizeof(mOverlapped));
                mOverlapped.hEvent = CreateEvent(NULL, TRUE, FALSE,
                        NULL);
                if (mOverlapped.hEvent == INVALID_HANDLE_VALUE)
                {
                        BOX_LOG_WIN_ERROR("Failed to create event for "
                                "overlapped I/O");
                        THROW_EXCEPTION(ServerException, BadSocketHandle);
                }
        }

        ~OverlappedIO()
        {
                if (CloseHandle(mOverlapped.hEvent) != TRUE)
                {
                        BOX_LOG_WIN_ERROR("Failed to delete event for "
                                "overlapped I/O");
                        THROW_EXCEPTION(ServerException, BadSocketHandle);
                }
        }
};

#endif // !OVERLAPPEDIO__H