Merge remote-tracking branch 'whot/touch-grab-race-condition-56578-v3'

Xext/saver.c

@@ -531,15 +531,16 @@ CreateSaverWindow(ScreenPtr pScreen)
         mask |= CWBorderPixmap;
     }
     if (pAttr->pCursor) {
+        CursorPtr cursor;
         if (!pWin->optional)
             if (!MakeWindowOptional(pWin)) {
                 FreeResource(pWin->drawable.id, RT_NONE);
                 return FALSE;
             }
-        pAttr->pCursor->refcnt++;
+        cursor = RefCursor(pAttr->pCursor);
         if (pWin->optional->cursor)
             FreeCursor(pWin->optional->cursor, (Cursor) 0);
-        pWin->optional->cursor = pAttr->pCursor;
+        pWin->optional->cursor = cursor;
         pWin->cursorIsNone = FALSE;
         CheckWindowOptionalNeed(pWin);
         mask |= CWCursor;
@@ -1065,8 +1066,7 @@ ScreenSaverSetAttributes(ClientPtr client)
                     client->errorValue = cursorID;
                     goto PatchUp;
                 }
-                pCursor->refcnt++;
+                pAttr->pCursor = RefCursor(pCursor);
-                pAttr->pCursor = pCursor;
                 pAttr->mask &= ~CWCursor;
             }
             break;

Xi/exevents.c

@@ -1036,46 +1036,21 @@ DeliverOneTouchEvent(ClientPtr client, DeviceIntPtr dev, TouchPointInfoPtr ti,
 static void
 ActivateEarlyAccept(DeviceIntPtr dev, TouchPointInfoPtr ti)
 {
-    int rc;
     ClientPtr client;
     XID error;
+    GrabPtr grab = ti->listeners[0].grab;
 
-    rc = dixLookupClient(&client, ti->listeners[0].listener, serverClient,
+    BUG_RETURN(ti->listeners[0].type != LISTENER_GRAB &&
-                         DixSendAccess);
+               ti->listeners[0].type != LISTENER_POINTER_GRAB);
-    if (rc != Success) {
+    BUG_RETURN(!grab);
-        ErrorF("[Xi] Failed to lookup early accepting client.\n");
+
-        return;
+    client = rClient(grab);
-    }
 
     if (TouchAcceptReject(client, dev, XIAcceptTouch, ti->client_id,
-                          ti->listeners[0].window->drawable.id, &error) !=
+                          ti->listeners[0].window->drawable.id, &error) != Success)
-        Success)
         ErrorF("[Xi] Failed to accept touch grab after early acceptance.\n");
 }
 
-/**
- * Generate and deliver a TouchEnd event.
- *
- * @param dev The device to deliver the event for.
- * @param ti The touch point record to deliver the event for.
- * @param flags Internal event flags. The called does not need to provide
- *        TOUCH_CLIENT_ID and TOUCH_POINTER_EMULATED, this function will ensure
- *        they are set appropriately.
- * @param resource The client resource to deliver to, or 0 for all clients.
- */
-static void
-EmitTouchEnd(DeviceIntPtr dev, TouchPointInfoPtr ti, int flags, XID resource)
-{
-    InternalEvent event;
-
-    flags |= TOUCH_CLIENT_ID;
-    if (ti->emulate_pointer)
-        flags |= TOUCH_POINTER_EMULATED;
-    TouchDeliverDeviceClassesChangedEvent(ti, GetTimeInMillis(), resource);
-    GetDixTouchEnd(&event, dev, ti, flags);
-    DeliverTouchEvents(dev, ti, &event, resource);
-}
-
 /**
  * Find the oldest touch that still has a pointer emulation client.
  *
@@ -1127,10 +1102,10 @@ TouchPuntToNextOwner(DeviceIntPtr dev, TouchPointInfoPtr ti,
                      TouchOwnershipEvent *ev)
 {
     TouchListener *listener = &ti->listeners[0]; /* new owner */
+    int accepted_early = listener->state == LISTENER_EARLY_ACCEPT;
 
     /* Deliver the ownership */
-    if (listener->state == LISTENER_AWAITING_OWNER ||
+    if (listener->state == LISTENER_AWAITING_OWNER || accepted_early)
-        listener->state == LISTENER_EARLY_ACCEPT)
         DeliverTouchEvents(dev, ti, (InternalEvent *) ev,
                            listener->listener);
     else if (listener->state == LISTENER_AWAITING_BEGIN) {
@@ -1144,15 +1119,24 @@ TouchPuntToNextOwner(DeviceIntPtr dev, TouchPointInfoPtr ti,
         TouchEventHistoryReplay(ti, dev, listener->listener);
     }
 
-    /* If we've just removed the last grab and the touch has physically
+    /* New owner has Begin/Update but not end. If touch is pending_finish,
-     * ended, send a TouchEnd event too and finalise the touch. */
+     * emulate the TouchEnd now */
-    if (ti->num_listeners == 1 && ti->num_grabs == 0 && ti->pending_finish) {
+    if (ti->pending_finish) {
-        EmitTouchEnd(dev, ti, 0, 0);
+        TouchEmitTouchEnd(dev, ti, 0, 0);
-        TouchEndTouch(dev, ti);
+
-        return;
+        /* If the last owner is not a touch grab, finalise the touch, we
+           won't get more correspondence on this.
+         */
+        if (ti->num_listeners == 1 &&
+            (ti->num_grabs == 0 ||
+             listener->grab->grabtype != XI2 ||
+             !xi2mask_isset(listener->grab->xi2mask, dev, XI_TouchBegin))) {
+            TouchEndTouch(dev, ti);
+            return;
+        }
     }
 
-    if (listener->state == LISTENER_EARLY_ACCEPT)
+    if (accepted_early)
         ActivateEarlyAccept(dev, ti);
 }
 
@@ -1196,7 +1180,7 @@ TouchRejected(DeviceIntPtr sourcedev, TouchPointInfoPtr ti, XID resource,
     for (i = 0; i < ti->num_listeners; i++) {
         if (ti->listeners[i].listener == resource) {
             if (ti->listeners[i].state != LISTENER_HAS_END)
-                EmitTouchEnd(sourcedev, ti, TOUCH_REJECT, resource);
+                TouchEmitTouchEnd(sourcedev, ti, TOUCH_REJECT, resource);
             break;
         }
     }
@@ -1243,12 +1227,12 @@ ProcessTouchOwnershipEvent(TouchOwnershipEvent *ev,
          * already seen the end. This ensures that the touch record is ended in
          * the server. */
         if (ti->listeners[0].state == LISTENER_HAS_END)
-            EmitTouchEnd(dev, ti, TOUCH_ACCEPT, ti->listeners[0].listener);
+            TouchEmitTouchEnd(dev, ti, TOUCH_ACCEPT, ti->listeners[0].listener);
 
         /* The touch owner has accepted the touch.  Send TouchEnd events to
          * everyone else, and truncate the list of listeners. */
         for (i = 1; i < ti->num_listeners; i++)
-            EmitTouchEnd(dev, ti, TOUCH_ACCEPT, ti->listeners[i].listener);
+            TouchEmitTouchEnd(dev, ti, TOUCH_ACCEPT, ti->listeners[i].listener);
 
         while (ti->num_listeners > 1)
             TouchRemoveListener(ti, ti->listeners[1].listener);
@@ -1417,7 +1401,7 @@ DeliverTouchEmulatedEvent(DeviceIntPtr dev, TouchPointInfoPtr ti,
             }
 
             if (!deliveries)
-                DeliverOneGrabbedEvent(ptrev, dev, grab->grabtype);
+                deliveries = DeliverOneGrabbedEvent(ptrev, dev, grab->grabtype);
 
             /* We must accept the touch sequence once a pointer listener has
              * received one event past ButtonPress. */
@@ -1425,8 +1409,7 @@ DeliverTouchEmulatedEvent(DeviceIntPtr dev, TouchPointInfoPtr ti,
                 !(ev->device_event.flags & TOUCH_CLIENT_ID))
                 TouchListenerAcceptReject(dev, ti, 0, XIAcceptTouch);
 
-            if (ev->any.type == ET_TouchEnd &&
+            if (deliveries && ev->any.type == ET_TouchEnd &&
-                !(ev->device_event.flags & TOUCH_CLIENT_ID) &&
                 !dev->button->buttonsDown &&
                 dev->deviceGrab.fromPassiveGrab && GrabIsPointerGrab(grab)) {
                 (*dev->deviceGrab.DeactivateGrab) (dev);
@@ -1445,8 +1428,11 @@ DeliverTouchEmulatedEvent(DeviceIntPtr dev, TouchPointInfoPtr ti,
          */
         if (!devgrab && dev->deviceGrab.grab && dev->deviceGrab.implicitGrab) {
             TouchListener *l;
+            GrabPtr g;
 
             devgrab = dev->deviceGrab.grab;
+            g = AllocGrab(devgrab);
+            BUG_WARN(!g);
 
             *dev->deviceGrab.sync.event = ev->device_event;
 
@@ -1455,8 +1441,8 @@ DeliverTouchEmulatedEvent(DeviceIntPtr dev, TouchPointInfoPtr ti,
              * event selection. Thus, we update the last listener in the array.
              */
             l = &ti->listeners[ti->num_listeners - 1];
-            l->listener = devgrab->resource;
+            l->listener = g->resource;
-            l->grab = devgrab;
+            l->grab = g;
             //l->resource_type = RT_NONE;
 
             if (devgrab->grabtype != XI2 || devgrab->type != XI_TouchBegin)
@@ -1547,7 +1533,7 @@ ProcessTouchEvent(InternalEvent *ev, DeviceIntPtr dev)
 
     touchid = ev->device_event.touchid;
 
-    if (type == ET_TouchBegin) {
+    if (type == ET_TouchBegin && !(ev->device_event.flags & TOUCH_REPLAYING)) {
         ti = TouchBeginTouch(dev, ev->device_event.sourceid, touchid,
                              emulate_pointer);
     }
@@ -1614,7 +1600,9 @@ ProcessTouchEvent(InternalEvent *ev, DeviceIntPtr dev)
      * called after event type mutation. Touch end events are always processed
      * in order to end touch records. */
     /* FIXME: check this */
-    if ((type == ET_TouchBegin && !TouchBuildSprite(dev, ti, ev)) ||
+    if ((type == ET_TouchBegin &&
+         !(ev->device_event.flags & TOUCH_REPLAYING) &&
+         !TouchBuildSprite(dev, ti, ev)) ||
         (type != ET_TouchEnd && ti->sprite.spriteTraceGood == 0))
         return;
 
@@ -1622,7 +1610,7 @@ ProcessTouchEvent(InternalEvent *ev, DeviceIntPtr dev)
     /* WARNING: the event type may change to TouchUpdate in
      * DeliverTouchEvents if a TouchEnd was delivered to a grabbing
      * owner */
-    DeliverTouchEvents(dev, ti, (InternalEvent *) ev, 0);
+    DeliverTouchEvents(dev, ti, ev, ev->device_event.resource);
     if (ev->any.type == ET_TouchEnd)
         TouchEndTouch(dev, ti);
 
@@ -1850,6 +1838,14 @@ DeliverTouchBeginEvent(DeviceIntPtr dev, TouchPointInfoPtr ti,
         listener->type == LISTENER_POINTER_GRAB) {
         rc = DeliverTouchEmulatedEvent(dev, ti, ev, listener, client, win,
                                        grab, xi2mask);
+        if (rc == Success) {
+            listener->state = LISTENER_IS_OWNER;
+            /* async grabs cannot replay, so automatically accept this touch */
+            if (dev->deviceGrab.grab &&
+                dev->deviceGrab.fromPassiveGrab &&
+                dev->deviceGrab.grab->pointerMode == GrabModeAsync)
+                ActivateEarlyAccept(dev, ti);
+        }
         goto out;
     }
 
@@ -1867,7 +1863,7 @@ DeliverTouchBeginEvent(DeviceIntPtr dev, TouchPointInfoPtr ti,
         if (has_ownershipmask)
             TouchSendOwnershipEvent(dev, ti, 0, listener->listener);
 
-        if (!has_ownershipmask || listener->type == LISTENER_REGULAR)
+        if (listener->type == LISTENER_REGULAR)
             state = LISTENER_HAS_ACCEPTED;
         else
             state = LISTENER_IS_OWNER;
@@ -1890,13 +1886,13 @@ DeliverTouchEndEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, InternalEvent *ev,
         rc = DeliverTouchEmulatedEvent(dev, ti, ev, listener, client, win,
                                        grab, xi2mask);
 
-        if (ti->num_listeners > 1) {
+         /* Once we send a TouchEnd to a legacy listener, we're already well
-            ev->any.type = ET_TouchUpdate;
+          * past the accepting/rejecting stage (can only happen on
-            ev->device_event.flags |= TOUCH_PENDING_END;
+          * GrabModeSync + replay. This listener now gets the end event,
-            if (!(ev->device_event.flags & TOUCH_CLIENT_ID))
+          * and we can continue.
-                ti->pending_finish = TRUE;
+          */
-        }
+        if (rc == Success)
-
+            listener->state = LISTENER_HAS_END;
         goto out;
     }
 
@@ -1922,7 +1918,7 @@ DeliverTouchEndEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, InternalEvent *ev,
             rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev);
 
         if ((ti->num_listeners > 1 ||
-             listener->state != LISTENER_HAS_ACCEPTED) &&
+             (ti->num_grabs > 0 && listener->state != LISTENER_HAS_ACCEPTED)) &&
             (ev->device_event.flags & (TOUCH_ACCEPT | TOUCH_REJECT)) == 0) {
             ev->any.type = ET_TouchUpdate;
             ev->device_event.flags |= TOUCH_PENDING_END;
@@ -2850,7 +2846,7 @@ CheckDeviceGrabAndHintWindow(WindowPtr pWin, int type,
              (deliveryMask & DeviceButtonGrabMask)) {
         GrabPtr tempGrab;
 
-        tempGrab = AllocGrab();
+        tempGrab = AllocGrab(NULL);
         if (!tempGrab)
             return;
 

Xi/ungrdevb.c

@@ -127,7 +127,7 @@ ProcXUngrabDeviceButton(ClientPtr client)
         (stuff->modifiers & ~AllModifiersMask))
         return BadValue;
 
-    temporaryGrab = AllocGrab();
+    temporaryGrab = AllocGrab(NULL);
     if (!temporaryGrab)
         return BadAlloc;
 

Xi/ungrdevk.c

@@ -134,7 +134,7 @@ ProcXUngrabDeviceKey(ClientPtr client)
         (stuff->modifiers & ~AllModifiersMask))
         return BadValue;
 
-    temporaryGrab = AllocGrab();
+    temporaryGrab = AllocGrab(NULL);
     if (!temporaryGrab)
         return BadAlloc;
 

Xi/xipassivegrab.c

@@ -307,7 +307,7 @@ ProcXIPassiveUngrabDevice(ClientPtr client)
 
     mod_dev = (IsFloating(dev)) ? dev : GetMaster(dev, MASTER_KEYBOARD);
 
-    tempGrab = AllocGrab();
+    tempGrab = AllocGrab(NULL);
     if (!tempGrab)
         return BadAlloc;
 

dix/cursor.c

@@ -114,9 +114,13 @@ FreeCursor(pointer value, XID cid)
     ScreenPtr pscr;
     DeviceIntPtr pDev = NULL;   /* unused anyway */
 
-    if (--pCurs->refcnt != 0)
+
+    UnrefCursor(pCurs);
+    if (CursorRefCount(pCurs) != 0)
         return Success;
 
+    BUG_WARN(CursorRefCount(pCurs) < 0);
+
     for (nscr = 0; nscr < screenInfo.numScreens; nscr++) {
         pscr = screenInfo.screens[nscr];
         (void) (*pscr->UnrealizeCursor) (pDev, pscr, pCurs);
@@ -127,6 +131,33 @@ FreeCursor(pointer value, XID cid)
     return Success;
 }
 
+CursorPtr
+RefCursor(CursorPtr cursor)
+{
+    ErrorF("%s ::::: cursor is %p", __func__, cursor);
+    if (cursor) {
+        xorg_backtrace();
+        cursor->refcnt++;
+    }
+    ErrorF("\n");
+    return cursor;
+}
+
+CursorPtr
+UnrefCursor(CursorPtr cursor)
+{
+    if (cursor)
+        cursor->refcnt--;
+    return cursor;
+}
+
+int
+CursorRefCount(const CursorPtr cursor)
+{
+    return cursor ? cursor->refcnt : 0;
+}
+
+
 /*
  * We check for empty cursors so that we won't have to display them
  */

dix/devices.c

@@ -281,7 +281,6 @@ AddInputDevice(ClientPtr client, DeviceProc deviceProc, Bool autoStart)
     dev->deviceGrab.grabTime = currentTime;
     dev->deviceGrab.ActivateGrab = ActivateKeyboardGrab;
     dev->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab;
-    dev->deviceGrab.activeGrab = AllocGrab();
     dev->deviceGrab.sync.event = calloc(1, sizeof(DeviceEvent));
 
     XkbSetExtension(dev, ProcessKeyboardEvent);
@@ -977,7 +976,8 @@ CloseDevice(DeviceIntPtr dev)
         }
     }
 
-    FreeGrab(dev->deviceGrab.activeGrab);
+    if (dev->deviceGrab.grab)
+        FreeGrab(dev->deviceGrab.grab);
     free(dev->deviceGrab.sync.event);
     free(dev->config_info);     /* Allocated in xf86ActivateDevice. */
     free(dev->last.scroll);
@@ -1647,6 +1647,7 @@ InitTouchClassDeviceStruct(DeviceIntPtr device, unsigned int max_touches,
 
     BUG_RETURN_VAL(device == NULL, FALSE);
     BUG_RETURN_VAL(device->touch != NULL, FALSE);
+    BUG_RETURN_VAL(device->valuator == NULL, FALSE);
 
     /* Check the mode is valid, and at least X and Y axes. */
     BUG_RETURN_VAL(mode != XIDirectTouch && mode != XIDependentTouch, FALSE);

dix/dispatch.c

@@ -3399,6 +3399,7 @@ CloseDownClient(ClientPtr client)
             clientinfo.setup = (xConnSetup *) NULL;
             CallCallbacks((&ClientStateCallback), (pointer) &clientinfo);
         }
+        TouchListenerGone(client->clientAsMask);
         FreeClientResources(client);
         /* Disable client ID tracking. This must be done after
          * ClientStateCallback. */

dix/events.c

@@ -931,8 +931,7 @@ ChangeToCursor(DeviceIntPtr pDev, CursorPtr cursor)
 
         (*pScreen->DisplayCursor) (pDev, pScreen, cursor);
         FreeCursor(pSprite->current, (Cursor) 0);
-        pSprite->current = cursor;
+        pSprite->current = RefCursor(cursor);
-        pSprite->current->refcnt++;
     }
 }
 
@@ -1427,21 +1426,23 @@ UpdateTouchesForGrab(DeviceIntPtr mouse)
 
     for (i = 0; i < mouse->touch->num_touches; i++) {
         TouchPointInfoPtr ti = mouse->touch->touches + i;
+        TouchListener *listener = &ti->listeners[0];
         GrabPtr grab = mouse->deviceGrab.grab;
 
         if (ti->active &&
-            CLIENT_BITS(ti->listeners[0].listener) == grab->resource) {
+            CLIENT_BITS(listener->listener) == grab->resource) {
-            ti->listeners[0].listener = grab->resource;
+            listener->listener = grab->resource;
-            ti->listeners[0].level = grab->grabtype;
+            listener->level = grab->grabtype;
-            ti->listeners[0].state = LISTENER_IS_OWNER;
+            listener->state = LISTENER_IS_OWNER;
-            ti->listeners[0].window = grab->window;
+            listener->window = grab->window;
 
             if (grab->grabtype == CORE || grab->grabtype == XI ||
                 !xi2mask_isset(grab->xi2mask, mouse, XI_TouchBegin))
-                ti->listeners[0].type = LISTENER_POINTER_GRAB;
+                listener->type = LISTENER_POINTER_GRAB;
             else
-                ti->listeners[0].type = LISTENER_GRAB;
+                listener->type = LISTENER_GRAB;
-            ti->listeners[0].grab = grab;
+            FreeGrab(listener->grab);
+            listener->grab = AllocGrab(grab);
         }
     }
 }
@@ -1466,6 +1467,7 @@ ActivatePointerGrab(DeviceIntPtr mouse, GrabPtr grab,
                     TimeStamp time, Bool autoGrab)
 {
     GrabInfoPtr grabinfo = &mouse->deviceGrab;
+    GrabPtr oldgrab = grabinfo->grab;
     WindowPtr oldWin = (grabinfo->grab) ?
         grabinfo->grab->window : mouse->spriteInfo->sprite->win;
     Bool isPassive = autoGrab & ~ImplicitGrabMask;
@@ -1488,16 +1490,15 @@ ActivatePointerGrab(DeviceIntPtr mouse, GrabPtr grab,
         grabinfo->grabTime = syncEvents.time;
     else
         grabinfo->grabTime = time;
-    if (grab->cursor)
+    grabinfo->grab = AllocGrab(grab);
-        grab->cursor->refcnt++;
-    CopyGrab(grabinfo->activeGrab, grab);
-    grabinfo->grab = grabinfo->activeGrab;
     grabinfo->fromPassiveGrab = isPassive;
     grabinfo->implicitGrab = autoGrab & ImplicitGrabMask;
     PostNewCursor(mouse);
     UpdateTouchesForGrab(mouse);
     CheckGrabForSyncs(mouse, (Bool) grab->pointerMode,
                       (Bool) grab->keyboardMode);
+    if (oldgrab)
+        FreeGrab(oldgrab);
 }
 
 /**
@@ -1547,13 +1548,13 @@ DeactivatePointerGrab(DeviceIntPtr mouse)
     if (grab->confineTo)
         ConfineCursorToWindow(mouse, GetCurrentRootWindow(mouse), FALSE, FALSE);
     PostNewCursor(mouse);
-    if (grab->cursor)
-        FreeCursor(grab->cursor, (Cursor) 0);
 
     if (!wasImplicit && grab->grabtype == XI2)
         ReattachToOldMaster(mouse);
 
     ComputeFreezes();
+
+    FreeGrab(grab);
 }
 
 /**
@@ -1566,6 +1567,7 @@ ActivateKeyboardGrab(DeviceIntPtr keybd, GrabPtr grab, TimeStamp time,
                      Bool passive)
 {
     GrabInfoPtr grabinfo = &keybd->deviceGrab;
+    GrabPtr oldgrab = grabinfo->grab;
     WindowPtr oldWin;
 
     /* slave devices need to float for the duration of the grab. */
@@ -1591,12 +1593,13 @@ ActivateKeyboardGrab(DeviceIntPtr keybd, GrabPtr grab, TimeStamp time,
         grabinfo->grabTime = syncEvents.time;
     else
         grabinfo->grabTime = time;
-    CopyGrab(grabinfo->activeGrab, grab);
+    grabinfo->grab = AllocGrab(grab);
-    grabinfo->grab = grabinfo->activeGrab;
     grabinfo->fromPassiveGrab = passive;
     grabinfo->implicitGrab = passive & ImplicitGrabMask;
     CheckGrabForSyncs(keybd, (Bool) grab->keyboardMode,
                       (Bool) grab->pointerMode);
+    if (oldgrab)
+        FreeGrab(oldgrab);
 }
 
 /**
@@ -1638,6 +1641,8 @@ DeactivateKeyboardGrab(DeviceIntPtr keybd)
         ReattachToOldMaster(keybd);
 
     ComputeFreezes();
+
+    FreeGrab(grab);
 }
 
 void
@@ -1742,6 +1747,16 @@ AllowSome(ClientPtr client, TimeStamp time, DeviceIntPtr thisDev, int newState)
         }
         break;
     }
+
+    /* We've unfrozen the grab. If the grab was a touch grab, we're now the
+     * owner and expected to accept/reject it. Reject == ReplayPointer which
+     * we've handled in ComputeFreezes() (during DeactivateGrab) above,
+     * anything else is accept.
+     */
+    if (newState != NOT_GRABBED /* Replay */ &&
+        IsTouchEvent((InternalEvent*)grabinfo->sync.event)) {
+        TouchAcceptAndEnd(thisDev, grabinfo->sync.event->touchid);
+    }
 }
 
 /**
@@ -1974,7 +1989,7 @@ ActivateImplicitGrab(DeviceIntPtr dev, ClientPtr client, WindowPtr win,
     else
         return FALSE;
 
-    tempGrab = AllocGrab();
+    tempGrab = AllocGrab(NULL);
     if (!tempGrab)
         return FALSE;
     tempGrab->next = NULL;
@@ -3194,11 +3209,10 @@ InitializeSprite(DeviceIntPtr pDev, WindowPtr pWin)
         pSprite->pEnqueueScreen = screenInfo.screens[0];
         pSprite->pDequeueScreen = pSprite->pEnqueueScreen;
     }
-    if (pCursor)
+    pCursor = RefCursor(pCursor);
-        pCursor->refcnt++;
     if (pSprite->current)
         FreeCursor(pSprite->current, None);
-    pSprite->current = pCursor;
+    pSprite->current = RefCursor(pCursor);
 
     if (pScreen) {
         (*pScreen->RealizeCursor) (pDev, pScreen, pSprite->current);
@@ -3277,9 +3291,7 @@ UpdateSpriteForScreen(DeviceIntPtr pDev, ScreenPtr pScreen)
     pSprite->hotLimits.x2 = pScreen->width;
     pSprite->hotLimits.y2 = pScreen->height;
     pSprite->win = win;
-    pCursor = wCursor(win);
+    pCursor = RefCursor(wCursor(win));
-    if (pCursor)
-        pCursor->refcnt++;
     if (pSprite->current)
         FreeCursor(pSprite->current, 0);
     pSprite->current = pCursor;
@@ -3881,7 +3893,7 @@ CheckPassiveGrabsOnWindow(WindowPtr pWin,
     if (!grab)
         return NULL;
 
-    tempGrab = AllocGrab();
+    tempGrab = AllocGrab(NULL);
 
     /* Fill out the grab details, but leave the type for later before
      * comparing */
@@ -4839,7 +4851,6 @@ ProcGrabPointer(ClientPtr client)
     GrabPtr grab;
     GrabMask mask;
     WindowPtr confineTo;
-    CursorPtr oldCursor;
     BYTE status;
 
     REQUEST(xGrabPointerReq);
@@ -4862,15 +4873,10 @@ ProcGrabPointer(ClientPtr client)
             return rc;
     }
 
-    oldCursor = NullCursor;
     grab = device->deviceGrab.grab;
 
-    if (grab) {
+    if (grab && grab->confineTo && !confineTo)
-        if (grab->confineTo && !confineTo)
+        ConfineCursorToWindow(device, GetCurrentRootWindow(device), FALSE, FALSE);
-            ConfineCursorToWindow(device, GetCurrentRootWindow(device), FALSE,
-                                  FALSE);
-        oldCursor = grab->cursor;
-    }
 
     mask.core = stuff->eventMask;
 
@@ -4880,9 +4886,6 @@ ProcGrabPointer(ClientPtr client)
     if (rc != Success)
         return rc;
 
-    if (oldCursor && status == GrabSuccess)
-        FreeCursor(oldCursor, (Cursor) 0);
-
     rep = (xGrabPointerReply) {
         .type = X_Reply,
         .status = status,
@@ -4938,9 +4941,7 @@ ProcChangeActivePointerGrab(ClientPtr client)
         (CompareTimeStamps(time, device->deviceGrab.grabTime) == EARLIER))
         return Success;
     oldCursor = grab->cursor;
-    grab->cursor = newCursor;
+    grab->cursor = RefCursor(newCursor);
-    if (newCursor)
-        newCursor->refcnt++;
     PostNewCursor(device);
     if (oldCursor)
         FreeCursor(oldCursor, (Cursor) 0);
@@ -5070,7 +5071,7 @@ GrabDevice(ClientPtr client, DeviceIntPtr dev,
     else {
         GrabPtr tempGrab;
 
-        tempGrab = AllocGrab();
+        tempGrab = AllocGrab(NULL);
 
         tempGrab->next = NULL;
         tempGrab->window = pWin;
@@ -5085,7 +5086,7 @@ GrabDevice(ClientPtr client, DeviceIntPtr dev,
         else
             xi2mask_merge(tempGrab->xi2mask, mask->xi2mask);
         tempGrab->device = dev;
-        tempGrab->cursor = cursor;
+        tempGrab->cursor = RefCursor(cursor);
         tempGrab->confineTo = confineTo;
         tempGrab->grabtype = grabtype;
         (*grabInfo->ActivateGrab) (dev, tempGrab, time, FALSE);
@@ -5426,7 +5427,7 @@ ProcUngrabKey(ClientPtr client)
         client->errorValue = stuff->modifiers;
         return BadValue;
     }
-    tempGrab = AllocGrab();
+    tempGrab = AllocGrab(NULL);
     if (!tempGrab)
         return BadAlloc;
     tempGrab->resource = client->clientAsMask;
@@ -5620,7 +5621,7 @@ ProcUngrabButton(ClientPtr client)
 
     ptr = PickPointer(client);
 
-    tempGrab = AllocGrab();
+    tempGrab = AllocGrab(NULL);
     if (!tempGrab)
         return BadAlloc;
     tempGrab->resource = client->clientAsMask;

dix/grabs.c

@@ -189,7 +189,7 @@ UngrabAllDevices(Bool kill_client)
 }
 
 GrabPtr
-AllocGrab(void)
+AllocGrab(const GrabPtr src)
 {
     GrabPtr grab = calloc(1, sizeof(GrabRec));
 
@@ -201,6 +201,12 @@ AllocGrab(void)
         }
     }
 
+    if (src && !CopyGrab(grab, src)) {
+        free(grab->xi2mask);
+        free(grab);
+        grab = NULL;
+    }
+
     return grab;
 }
 
@@ -213,7 +219,7 @@ CreateGrab(int client, DeviceIntPtr device, DeviceIntPtr modDevice,
 {
     GrabPtr grab;
 
-    grab = AllocGrab();
+    grab = AllocGrab(NULL);
     if (!grab)
         return (GrabPtr) NULL;
     grab->resource = FakeClientID(client);
@@ -235,13 +241,11 @@ CreateGrab(int client, DeviceIntPtr device, DeviceIntPtr modDevice,
     grab->detail.exact = keybut;
     grab->detail.pMask = NULL;
     grab->confineTo = confineTo;
-    grab->cursor = cursor;
+    grab->cursor = RefCursor(cursor);
     grab->next = NULL;
 
     if (grabtype == XI2)
         xi2mask_merge(grab->xi2mask, mask->xi2mask);
-    if (cursor)
-        cursor->refcnt++;
     return grab;
 
 }
@@ -249,8 +253,7 @@ CreateGrab(int client, DeviceIntPtr device, DeviceIntPtr modDevice,
 void
 FreeGrab(GrabPtr pGrab)
 {
-    if (pGrab->grabtype == XI2 && pGrab->type == XI_TouchBegin)
+    BUG_RETURN(!pGrab);
-        TouchListenerGone(pGrab->resource);
 
     free(pGrab->modifiersDetail.pMask);
     free(pGrab->detail.pMask);
@@ -269,9 +272,6 @@ CopyGrab(GrabPtr dst, const GrabPtr src)
     Mask *details_mask = NULL;
     XI2Mask *xi2mask;
 
-    if (src->cursor)
-        src->cursor->refcnt++;
-
     if (src->modifiersDetail.pMask) {
         int len = MasksPerDetailMask * sizeof(Mask);
 
@@ -309,6 +309,7 @@ CopyGrab(GrabPtr dst, const GrabPtr src)
     dst->modifiersDetail.pMask = mdetails_mask;
     dst->detail.pMask = details_mask;
     dst->xi2mask = xi2mask;
+    dst->cursor = RefCursor(src->cursor);
 
     xi2mask_merge(dst->xi2mask, src->xi2mask);
 

dix/touch.c

@@ -263,6 +263,7 @@ void
 TouchFreeTouchPoint(DeviceIntPtr device, int index)
 {
     TouchPointInfoPtr ti;
+    int i;
 
     if (!device->touch || index >= device->touch->num_touches)
         return;
@@ -271,6 +272,9 @@ TouchFreeTouchPoint(DeviceIntPtr device, int index)
     if (ti->active)
         TouchEndTouch(device, ti);
 
+    for (i = 0; i < ti->num_listeners; i++)
+        TouchRemoveListener(ti, ti->listeners[0].listener);
+
     valuator_mask_free(&ti->valuators);
     free(ti->sprite.spriteTrace);
     ti->sprite.spriteTrace = NULL;
@@ -365,6 +369,8 @@ TouchBeginTouch(DeviceIntPtr dev, int sourceid, uint32_t touchid,
 void
 TouchEndTouch(DeviceIntPtr dev, TouchPointInfoPtr ti)
 {
+    int i;
+
     if (ti->emulate_pointer) {
         GrabPtr grab;
 
@@ -376,6 +382,9 @@ TouchEndTouch(DeviceIntPtr dev, TouchPointInfoPtr ti)
         }
     }
 
+    for (i = 0; i < ti->num_listeners; i++)
+        TouchRemoveListener(ti, ti->listeners[0].listener);
+
     ti->active = FALSE;
     ti->pending_finish = FALSE;
     ti->sprite.spriteTraceGood = 0;
@@ -474,7 +483,21 @@ TouchEventHistoryReplay(TouchPointInfoPtr ti, DeviceIntPtr dev, XID resource)
         DeviceEvent *ev = &ti->history[i];
 
         ev->flags |= TOUCH_REPLAYING;
-        DeliverTouchEvents(dev, ti, (InternalEvent *) ev, resource);
+        ev->resource = resource;
+        /* FIXME:
+           We're replaying ti->history which contains the TouchBegin +
+           all TouchUpdates for ti. This needs to be passed on to the next
+           listener. If that is a touch listener, everything is dandy.
+           If the TouchBegin however triggers a sync passive grab, the
+           TouchUpdate events must be sent to EnqueueEvent so the events end
+           up in syncEvents.pending to be forwarded correctly in a
+           subsequent ComputeFreeze().
+
+           However, if we just send them to EnqueueEvent the sync'ing device
+           prevents handling of touch events for ownership listeners who
+           want the events right here, right now.
+         */
+        dev->public.processInputProc((InternalEvent*)ev, dev);
     }
 }
 
@@ -678,15 +701,23 @@ void
 TouchAddListener(TouchPointInfoPtr ti, XID resource, int resource_type,
                  enum InputLevel level, enum TouchListenerType type,
                  enum TouchListenerState state, WindowPtr window,
-                 GrabPtr grab)
+                 const GrabPtr grab)
 {
+    GrabPtr g = NULL;
+
+    /* We need a copy of the grab, not the grab itself since that may be
+     * deleted by a UngrabButton request and leaves us with a dangling
+     * pointer */
+    if (grab)
+        g = AllocGrab(grab);
+
     ti->listeners[ti->num_listeners].listener = resource;
     ti->listeners[ti->num_listeners].resource_type = resource_type;
     ti->listeners[ti->num_listeners].level = level;
     ti->listeners[ti->num_listeners].state = state;
     ti->listeners[ti->num_listeners].type = type;
     ti->listeners[ti->num_listeners].window = window;
-    ti->listeners[ti->num_listeners].grab = grab;
+    ti->listeners[ti->num_listeners].grab = g;
     if (grab)
         ti->num_grabs++;
     ti->num_listeners++;
@@ -704,21 +735,25 @@ TouchRemoveListener(TouchPointInfoPtr ti, XID resource)
     int i;
 
     for (i = 0; i < ti->num_listeners; i++) {
-        if (ti->listeners[i].listener == resource) {
+        int j;
-            int j;
+        TouchListener *listener = &ti->listeners[i];
 
-            if (ti->listeners[i].grab) {
+        if (listener->listener != resource)
-                ti->listeners[i].grab = NULL;
+            continue;
-                ti->num_grabs--;
-            }
 
-            for (j = i; j < ti->num_listeners - 1; j++)
+        if (listener->grab) {
-                ti->listeners[j] = ti->listeners[j + 1];
+            FreeGrab(listener->grab);
-            ti->num_listeners--;
+            listener->grab = NULL;
-            ti->listeners[ti->num_listeners].listener = 0;
+            ti->num_grabs--;
-            ti->listeners[ti->num_listeners].state = LISTENER_AWAITING_BEGIN;
-            return TRUE;
         }
+
+        for (j = i; j < ti->num_listeners - 1; j++)
+            ti->listeners[j] = ti->listeners[j + 1];
+        ti->num_listeners--;
+        ti->listeners[ti->num_listeners].listener = 0;
+        ti->listeners[ti->num_listeners].state = LISTENER_AWAITING_BEGIN;
+
+        return TRUE;
     }
     return FALSE;
 }
@@ -874,7 +909,7 @@ TouchSetupListeners(DeviceIntPtr dev, TouchPointInfoPtr ti, InternalEvent *ev)
     SpritePtr sprite = &ti->sprite;
     WindowPtr win;
 
-    if (dev->deviceGrab.grab)
+    if (dev->deviceGrab.grab && !dev->deviceGrab.fromPassiveGrab)
         TouchAddActiveGrabListener(dev, ti, ev, dev->deviceGrab.grab);
 
     /* We set up an active touch listener for existing touches, but not any
@@ -954,11 +989,11 @@ TouchListenerGone(XID resource)
                 continue;
 
             for (j = 0; j < ti->num_listeners; j++) {
-                if (ti->listeners[j].listener != resource)
+                if (CLIENT_BITS(ti->listeners[j].listener) != resource)
                     continue;
 
                 nev = GetTouchOwnershipEvents(events, dev, ti, XIRejectTouch,
-                                              resource, 0);
+                                              ti->listeners[j].listener, 0);
                 for (k = 0; k < nev; k++)
                     mieqProcessDeviceEvent(dev, events + k, NULL);
 
@@ -1061,3 +1096,46 @@ TouchEndPhysicallyActiveTouches(DeviceIntPtr dev)
 
     FreeEventList(eventlist, GetMaximumEventsNum());
 }
+
+/**
+ * Generate and deliver a TouchEnd event.
+ *
+ * @param dev The device to deliver the event for.
+ * @param ti The touch point record to deliver the event for.
+ * @param flags Internal event flags. The called does not need to provide
+ *        TOUCH_CLIENT_ID and TOUCH_POINTER_EMULATED, this function will ensure
+ *        they are set appropriately.
+ * @param resource The client resource to deliver to, or 0 for all clients.
+ */
+void
+TouchEmitTouchEnd(DeviceIntPtr dev, TouchPointInfoPtr ti, int flags, XID resource)
+{
+    InternalEvent event;
+
+    /* We're not processing a touch end for a frozen device */
+    if (dev->deviceGrab.sync.frozen)
+        return;
+
+    flags |= TOUCH_CLIENT_ID;
+    if (ti->emulate_pointer)
+        flags |= TOUCH_POINTER_EMULATED;
+    TouchDeliverDeviceClassesChangedEvent(ti, GetTimeInMillis(), resource);
+    GetDixTouchEnd(&event, dev, ti, flags);
+    DeliverTouchEvents(dev, ti, &event, resource);
+    if (ti->num_grabs == 0)
+        UpdateDeviceState(dev, &event.device_event);
+}
+
+void
+TouchAcceptAndEnd(DeviceIntPtr dev, int touchid)
+{
+    TouchPointInfoPtr ti = TouchFindByClientID(dev, touchid);
+    if (!ti)
+        return;
+
+    TouchListenerAcceptReject(dev, ti, 0, XIAcceptTouch);
+    if (ti->pending_finish)
+        TouchEmitTouchEnd(dev, ti, 0, 0);
+    if (ti->num_listeners <= 1)
+        TouchEndTouch(dev, ti);
+}

dix/window.c

@@ -547,8 +547,7 @@ InitRootWindow(WindowPtr pWin)
     (*pScreen->PositionWindow) (pWin, 0, 0);
 
     pWin->cursorIsNone = FALSE;
-    pWin->optional->cursor = rootCursor;
+    pWin->optional->cursor = RefCursor(rootCursor);
-    rootCursor->refcnt++;
 
     if (party_like_its_1989) {
         MakeRootTile(pWin);
@@ -1416,8 +1415,7 @@ ChangeWindowAttributes(WindowPtr pWin, Mask vmask, XID *vlist, ClientPtr client)
                     else if (pWin->parent && pCursor == wCursor(pWin->parent))
                         checkOptional = TRUE;
                     pOldCursor = pWin->optional->cursor;
-                    pWin->optional->cursor = pCursor;
+                    pWin->optional->cursor = RefCursor(pCursor);
-                    pCursor->refcnt++;
                     pWin->cursorIsNone = FALSE;
                     /*
                      * check on any children now matching the new cursor
@@ -3323,8 +3321,7 @@ MakeWindowOptional(WindowPtr pWin)
     parentOptional = FindWindowWithOptional(pWin)->optional;
     optional->visual = parentOptional->visual;
     if (!pWin->cursorIsNone) {
-        optional->cursor = parentOptional->cursor;
+        optional->cursor = RefCursor(parentOptional->cursor);
-        optional->cursor->refcnt++;
     }
     else {
         optional->cursor = None;
@@ -3412,8 +3409,7 @@ ChangeWindowDeviceCursor(WindowPtr pWin, DeviceIntPtr pDev, CursorPtr pCursor)
     if (pCursor && WindowParentHasDeviceCursor(pWin, pDev, pCursor))
         pNode->cursor = None;
     else {
-        pNode->cursor = pCursor;
+        pNode->cursor = RefCursor(pCursor);
-        pCursor->refcnt++;
     }
 
     pNode = pPrev = NULL;
@@ -3421,8 +3417,7 @@ ChangeWindowDeviceCursor(WindowPtr pWin, DeviceIntPtr pDev, CursorPtr pCursor)
     for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) {
         if (WindowSeekDeviceCursor(pChild, pDev, &pNode, &pPrev)) {
             if (pNode->cursor == None) {        /* inherited from parent */
-                pNode->cursor = pOldCursor;
+                pNode->cursor = RefCursor(pOldCursor);
-                pOldCursor->refcnt++;
             }
             else if (pNode->cursor == pCursor) {
                 pNode->cursor = None;

hw/xfree86/modes/xf86Cursors.c

@@ -481,7 +481,7 @@ xf86_use_hw_cursor(ScreenPtr screen, CursorPtr cursor)
     xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
     xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
 
-    ++cursor->refcnt;
+    cursor = RefCursor(cursor);
     if (xf86_config->cursor)
         FreeCursor(xf86_config->cursor, None);
     xf86_config->cursor = cursor;
@@ -500,7 +500,7 @@ xf86_use_hw_cursor_argb(ScreenPtr screen, CursorPtr cursor)
     xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
     xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
 
-    ++cursor->refcnt;
+    cursor = RefCursor(cursor);
     if (xf86_config->cursor)
         FreeCursor(xf86_config->cursor, None);
     xf86_config->cursor = cursor;

hw/xfree86/ramdac/xf86Cursor.c

@@ -271,7 +271,7 @@ xf86CursorRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCurs)
         (xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
                                                xf86CursorScreenKey);
 
-    if (pCurs->refcnt <= 1)
+    if (CursorRefCount(pCurs) <= 1)
         dixSetScreenPrivate(&pCurs->devPrivates, CursorScreenKey, pScreen,
                             NULL);
 
@@ -285,7 +285,7 @@ xf86CursorUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCurs)
         (xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
                                                xf86CursorScreenKey);
 
-    if (pCurs->refcnt <= 1) {
+    if (CursorRefCount(pCurs) <= 1) {
         free(dixLookupScreenPrivate
              (&pCurs->devPrivates, CursorScreenKey, pScreen));
         dixSetScreenPrivate(&pCurs->devPrivates, CursorScreenKey, pScreen,
@@ -322,37 +322,37 @@ xf86CursorSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCurs,
     /* only update for VCP, otherwise we get cursor jumps when removing a
        sprite. The second cursor is never HW rendered anyway. */
     if (GetMaster(pDev, MASTER_POINTER) == inputInfo.pointer) {
-        pCurs->refcnt++;
+        CursorPtr cursor = RefCursor(pCurs);
         if (ScreenPriv->CurrentCursor)
             FreeCursor(ScreenPriv->CurrentCursor, None);
-        ScreenPriv->CurrentCursor = pCurs;
+        ScreenPriv->CurrentCursor = cursor;
         ScreenPriv->x = x;
         ScreenPriv->y = y;
         ScreenPriv->CursorToRestore = NULL;
-        ScreenPriv->HotX = pCurs->bits->xhot;
+        ScreenPriv->HotX = cursor->bits->xhot;
-        ScreenPriv->HotY = pCurs->bits->yhot;
+        ScreenPriv->HotY = cursor->bits->yhot;
 
         if (!infoPtr->pScrn->vtSema)
-            ScreenPriv->SavedCursor = pCurs;
+            ScreenPriv->SavedCursor = cursor;
 
         if (infoPtr->pScrn->vtSema && xorg_list_is_empty(&pScreen->pixmap_dirty_list) &&
             (ScreenPriv->ForceHWCursorCount ||
              ((
 #ifdef ARGB_CURSOR
-               pCurs->bits->argb &&
+               cursor->bits->argb &&
                infoPtr->UseHWCursorARGB &&
-               (*infoPtr->UseHWCursorARGB)(pScreen, pCurs)) ||
+               (*infoPtr->UseHWCursorARGB)(pScreen, cursor)) ||
-              (pCurs->bits->argb == 0 &&
+              (cursor->bits->argb == 0 &&
 #endif
-               (pCurs->bits->height <= infoPtr->MaxHeight) &&
+               (cursor->bits->height <= infoPtr->MaxHeight) &&
-               (pCurs->bits->width <= infoPtr->MaxWidth) &&
+               (cursor->bits->width <= infoPtr->MaxWidth) &&
-               (!infoPtr->UseHWCursor || (*infoPtr->UseHWCursor) (pScreen, pCurs)))))) {
+               (!infoPtr->UseHWCursor || (*infoPtr->UseHWCursor) (pScreen, cursor)))))) {
             
             if (ScreenPriv->SWCursor)   /* remove the SW cursor */
                 (*ScreenPriv->spriteFuncs->SetCursor) (pDev, pScreen,
                                                        NullCursor, x, y);
 
-            xf86SetCursor(pScreen, pCurs, x, y);
+            xf86SetCursor(pScreen, cursor, x, y);
             ScreenPriv->SWCursor = FALSE;
             ScreenPriv->isUp = TRUE;
 

include/cursor.h

@@ -71,6 +71,10 @@ extern _X_EXPORT CursorPtr rootCursor;
 extern _X_EXPORT int FreeCursor(pointer /*pCurs */ ,
                                 XID /*cid */ );
 
+extern _X_EXPORT CursorPtr RefCursor(CursorPtr /* cursor */);
+extern _X_EXPORT CursorPtr UnrefCursor(CursorPtr /* cursor */);
+extern _X_EXPORT int CursorRefCount(const CursorPtr /* cursor */);
+
 extern _X_EXPORT int AllocARGBCursor(unsigned char * /*psrcbits */ ,
                                      unsigned char * /*pmaskbits */ ,
                                      CARD32 * /*argb */ ,

include/dixgrabs.h

@@ -31,7 +31,7 @@ struct _GrabParameters;
 extern void PrintDeviceGrabInfo(DeviceIntPtr dev);
 extern void UngrabAllDevices(Bool kill_client);
 
-extern GrabPtr AllocGrab(void);
+extern GrabPtr AllocGrab(const GrabPtr src);
 extern void FreeGrab(GrabPtr grab);
 extern Bool CopyGrab(GrabPtr dst, const GrabPtr src);
 

include/eventstr.h

@@ -123,6 +123,7 @@ struct _DeviceEvent {
     int corestate;    /**< Core key/button state BEFORE the event */
     int key_repeat;   /**< Internally-generated key repeat event */
     uint32_t flags;   /**< Flags to be copied into the generated event */
+    uint32_t resource; /**< Touch event resource, only for TOUCH_REPLAYING */
 };
 
 /**

include/input.h

@@ -590,6 +590,8 @@ extern int TouchAcceptReject(ClientPtr client, DeviceIntPtr dev, int mode,
 extern void TouchEndPhysicallyActiveTouches(DeviceIntPtr dev);
 extern void TouchDeliverDeviceClassesChangedEvent(TouchPointInfoPtr ti,
                                                   Time time, XID resource);
+extern void TouchEmitTouchEnd(DeviceIntPtr dev, TouchPointInfoPtr ti, int flags, XID resource);
+extern void TouchAcceptAndEnd(DeviceIntPtr dev, int touchid);
 
 /* misc event helpers */
 extern Mask GetEventMask(DeviceIntPtr dev, xEvent *ev, InputClientsPtr clients);

include/inputstr.h

@@ -485,7 +485,7 @@ typedef struct _GrabInfoRec {
     TimeStamp grabTime;
     Bool fromPassiveGrab;       /* true if from passive grab */
     Bool implicitGrab;          /* implicit from ButtonPress */
-    GrabPtr activeGrab;
+    GrabPtr unused;             /* Kept for ABI stability, remove soon */
     GrabPtr grab;
     CARD8 activatingKey;
     void (*ActivateGrab) (DeviceIntPtr /*device */ ,

render/animcur.c

@@ -383,8 +383,7 @@ AnimCursorCreate(CursorPtr *cursors, CARD32 *deltas, int ncursor,
     ac->elts = (AnimCurElt *) (ac + 1);
 
     for (i = 0; i < ncursor; i++) {
-        cursors[i]->refcnt++;
+        ac->elts[i].pCursor = RefCursor(cursors[i]);
-        ac->elts[i].pCursor = cursors[i];
         ac->elts[i].delay = deltas[i];
     }
 

xfixes/cursor.c

@@ -613,12 +613,12 @@ ReplaceCursorLookup(pointer value, XID id, pointer closure)
     }
     if (pCursor && pCursor != rcl->pNew) {
         if ((*rcl->testCursor) (pCursor, rcl->closure)) {
-            rcl->pNew->refcnt++;
+            CursorPtr curs = RefCursor(rcl->pNew);
             /* either redirect reference or update resource database */
             if (pCursorRef)
-                *pCursorRef = rcl->pNew;
+                *pCursorRef = curs;
             else
-                ChangeResourceValue(id, RT_CURSOR, rcl->pNew);
+                ChangeResourceValue(id, RT_CURSOR, curs);
             FreeCursor(pCursor, cursor);
         }
     }