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);
}
}
