94 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 *Copyright (C) 2001-2004 Harold L Hunt II All Rights Reserved.
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 *
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 *Permission is hereby granted, free of charge, to any person obtaining
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 * a copy of this software and associated documentation files (the
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 *"Software"), to deal in the Software without restriction, including
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 *without limitation the rights to use, copy, modify, merge, publish,
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 *distribute, sublicense, and/or sell copies of the Software, and to
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 *permit persons to whom the Software is furnished to do so, subject to
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 *the following conditions:
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 *
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 *The above copyright notice and this permission notice shall be
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 *included in all copies or substantial portions of the Software.
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 *
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 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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 *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
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 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 *Except as contained in this notice, the name of Harold L Hunt II
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 *shall not be used in advertising or otherwise to promote the sale, use
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 *or other dealings in this Software without prior written authorization
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 *from Harold L Hunt II.
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 *
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 * Authors:	Harold L Hunt II
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 */
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#ifdef HAVE_XWIN_CONFIG_H
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#include <xwin-config.h>
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#endif
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#include "win.h"
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#include "winmsg.h"
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/* See Porting Layer Definition - p. 6 */
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void
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winBlockHandler(ScreenPtr pScreen, void *pTimeout)
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{
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    winScreenPriv(pScreen);
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#ifndef HAS_DEVWINDOWS
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    struct timeval **tvp = pTimeout;
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    if (*tvp != NULL) {
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      if (GetQueueStatus(QS_ALLINPUT | QS_ALLPOSTMESSAGE) != 0) {
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        /* If there are still messages to process on the Windows message
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           queue, make sure select() just polls rather than blocking.
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        */
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        (*tvp)->tv_sec = 0;
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        (*tvp)->tv_usec = 0;
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      }
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      else {
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        /* Otherwise, lacking /dev/windows, we must wake up again in
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           a reasonable time to check the Windows message queue. without
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           noticeable delay.
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         */
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        (*tvp)->tv_sec = 0;
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        (*tvp)->tv_usec = 100;
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      }
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    }
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#endif
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    /* Signal threaded modules to begin */
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    if (pScreenPriv != NULL && !pScreenPriv->fServerStarted) {
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        int iReturn;
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        winDebug("winBlockHandler - pthread_mutex_unlock()\n");
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        /* Flag that modules are to be started */
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        pScreenPriv->fServerStarted = TRUE;
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        /* Unlock the mutex for threaded modules */
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        iReturn = pthread_mutex_unlock(&pScreenPriv->pmServerStarted);
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        if (iReturn != 0) {
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            ErrorF("winBlockHandler - pthread_mutex_unlock () failed: %d\n",
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                   iReturn);
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        }
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        else {
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            winDebug("winBlockHandler - pthread_mutex_unlock () returned\n");
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        }
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    }
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  /*
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    At least one X client has asked to suspend the screensaver, so
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    reset Windows' display idle timer
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  */
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#ifdef SCREENSAVER
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  if (screenSaverSuspended)
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    SetThreadExecutionState(ES_DISPLAY_REQUIRED);
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#endif
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}
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