time_sleep.c

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/* sleep() function */

#include "fb.h"

void fb_ConsoleSleep( int msecs )
{
#if defined( HOST_XBOX )
    /* NOTE: No need to test for input keys because sleep will be hooked
     *       when the application is switched to graphics mode and the
     *       console implementations for keyboard handling are only dummy
     *       functions.
     */
        fb_Delay( msecs );
#else
        /* infinite? wait until any key is pressed */
        if( msecs == -1 ) {
                while( !fb_hConsoleInputBufferChanged( ) )
                        fb_Delay( 50 );
                return;
        }

        /* if above n-mili-seconds, check for key input, otherwise,
           don't screw the precision with slow console checks */
        if( msecs >= 100 ) {
                while( msecs > 50 ) {
                        if( fb_hConsoleInputBufferChanged( ) )
                                return;

                        fb_Delay( 50 );
                        msecs -= 50;
                }
        }

        if( msecs >= 0 )
                fb_Delay( msecs );
#endif
}