static void suspend(pmEvent event, Bool undo) { int i; InputInfoPtr pInfo; for (i = 0; i < xf86NumScreens; i++) { if (xf86Screens[i]->EnableDisableFBAccess) (*xf86Screens[i]->EnableDisableFBAccess) (xf86Screens[i], FALSE); } pInfo = xf86InputDevs; while (pInfo) { DisableDevice(pInfo->dev, TRUE); pInfo = pInfo->next; } OsBlockSIGIO(); for (i = 0; i < xf86NumScreens; i++) { if (xf86Screens[i]->PMEvent) xf86Screens[i]->PMEvent(xf86Screens[i], event, undo); else { xf86Screens[i]->LeaveVT(xf86Screens[i]); xf86Screens[i]->vtSema = FALSE; } } xf86AccessLeave(); }
static void suspend (pmEvent event, Bool undo) { int i; InputInfoPtr pInfo; xf86inSuspend = TRUE; for (i = 0; i < xf86NumScreens; i++) { xf86EnableAccess(xf86Screens[i]); if (xf86Screens[i]->EnableDisableFBAccess) (*xf86Screens[i]->EnableDisableFBAccess) (i, FALSE); } #if !defined(__EMX__) pInfo = xf86InputDevs; while (pInfo) { DisableDevice(pInfo->dev); pInfo = pInfo->next; } #endif xf86EnterServerState(SETUP); for (i = 0; i < xf86NumScreens; i++) { xf86EnableAccess(xf86Screens[i]); if (xf86Screens[i]->PMEvent) xf86Screens[i]->PMEvent(i,event,undo); else { xf86Screens[i]->LeaveVT(i, 0); xf86Screens[i]->vtSema = FALSE; } } xf86AccessLeave(); xf86AccessLeaveState(); }
void AbortDDX(enum ExitCode error) { int i; xf86BlockSIGIO(); /* * try to restore the original video state */ #ifdef DPMSExtension /* Turn screens back on */ if (DPMSPowerLevel != DPMSModeOn) DPMSSet(serverClient, DPMSModeOn); #endif if (xf86Screens) { for (i = 0; i < xf86NumScreens; i++) if (xf86Screens[i]->vtSema) { /* * if we are aborting before ScreenInit() has finished * we might not have been wrapped yet. Therefore enable * screen explicitely. */ xf86VGAarbiterLock(xf86Screens[i]); (xf86Screens[i]->LeaveVT)(i, 0); xf86VGAarbiterUnlock(xf86Screens[i]); } } xf86AccessLeave(); /* * This is needed for an abnormal server exit, since the normal exit stuff * MUST also be performed (i.e. the vt must be left in a defined state) */ ddxGiveUp(error); }
/* * xf86VTSwitch -- * Handle requests for switching the vt. */ static void xf86VTSwitch(void) { int i; static int prevSIGIO; InputInfoPtr pInfo; IHPtr ih; DebugF("xf86VTSwitch()\n"); #ifdef XFreeXDGA if(!DGAVTSwitch()) return; #endif /* * Since all screens are currently all in the same state it is sufficient * check the first. This might change in future. */ if (xf86Screens[0]->vtSema) { DebugF("xf86VTSwitch: Leaving, xf86Exiting is %s\n", BOOLTOSTRING((dispatchException & DE_TERMINATE) ? TRUE : FALSE)); #ifdef DPMSExtension if (DPMSPowerLevel != DPMSModeOn) DPMSSet(serverClient, DPMSModeOn); #endif for (i = 0; i < xf86NumScreens; i++) { if (!(dispatchException & DE_TERMINATE)) if (xf86Screens[i]->EnableDisableFBAccess) (*xf86Screens[i]->EnableDisableFBAccess) (i, FALSE); } /* * Keep the order: Disable Device > LeaveVT * EnterVT > EnableDevice */ for (ih = InputHandlers; ih; ih = ih->next) xf86DisableInputHandler(ih); for (pInfo = xf86InputDevs; pInfo; pInfo = pInfo->next) { if (pInfo->dev) { xf86ReleaseKeys(pInfo->dev); ProcessInputEvents(); DisableDevice(pInfo->dev, TRUE); } } prevSIGIO = xf86BlockSIGIO(); for (i = 0; i < xf86NumScreens; i++) xf86Screens[i]->LeaveVT(i, 0); xf86AccessLeave(); /* We need this here, otherwise */ if (!xf86VTSwitchAway()) { /* * switch failed */ DebugF("xf86VTSwitch: Leave failed\n"); xf86AccessEnter(); for (i = 0; i < xf86NumScreens; i++) { if (!xf86Screens[i]->EnterVT(i, 0)) FatalError("EnterVT failed for screen %d\n", i); } if (!(dispatchException & DE_TERMINATE)) { for (i = 0; i < xf86NumScreens; i++) { if (xf86Screens[i]->EnableDisableFBAccess) (*xf86Screens[i]->EnableDisableFBAccess) (i, TRUE); } } dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset); pInfo = xf86InputDevs; while (pInfo) { if (pInfo->dev) EnableDevice(pInfo->dev, TRUE); pInfo = pInfo->next; } for (ih = InputHandlers; ih; ih = ih->next) xf86EnableInputHandler(ih); xf86UnblockSIGIO(prevSIGIO); } else { #ifdef XF86PM if (xf86OSPMClose) xf86OSPMClose(); xf86OSPMClose = NULL; #endif for (i = 0; i < xf86NumScreens; i++) { /* * zero all access functions to * trap calls when switched away. */ xf86Screens[i]->vtSema = FALSE; } if (xorgHWAccess) xf86DisableIO(); } } else { DebugF("xf86VTSwitch: Entering\n"); if (!xf86VTSwitchTo()) return; #ifdef XF86PM xf86OSPMClose = xf86OSPMOpen(); #endif if (xorgHWAccess) xf86EnableIO(); xf86AccessEnter(); for (i = 0; i < xf86NumScreens; i++) { xf86Screens[i]->vtSema = TRUE; if (!xf86Screens[i]->EnterVT(i, 0)) FatalError("EnterVT failed for screen %d\n", i); } for (i = 0; i < xf86NumScreens; i++) { if (xf86Screens[i]->EnableDisableFBAccess) (*xf86Screens[i]->EnableDisableFBAccess)(i, TRUE); } /* Turn screen saver off when switching back */ dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset); pInfo = xf86InputDevs; while (pInfo) { if (pInfo->dev) EnableDevice(pInfo->dev, TRUE); pInfo = pInfo->next; } for (ih = InputHandlers; ih; ih = ih->next) xf86EnableInputHandler(ih); xf86UnblockSIGIO(prevSIGIO); } }