Add support for gfxQueueGSyncGetI()

src/gqueue/gqueue.c

@@ -138,6 +138,17 @@
 
 		return pi;
 	}
+	gfxQueueGSyncItem *gfxQueueGSyncGetI(gfxQueueGSync *pqueue) {
+		gfxQueueGSyncItem	*pi;
+
+		if (!gfxSemWaitI(&pqueue->sem))
+			return 0;
+
+		pi = pqueue->head;
+		pqueue->head = pi->next;
+		pi->next = 0;
+		return pi;
+	}
 
 	void gfxQueueGSyncPut(gfxQueueGSync *pqueue, gfxQueueGSyncItem *pitem) {
 		gfxSystemLock();

src/gqueue/sys_defs.h

@@ -113,6 +113,7 @@ void gfxQueueFSyncInit(gfxQueueFSync *pqueue);
 gfxQueueASyncItem *gfxQueueASyncGet(gfxQueueASync *pqueue);
 gfxQueueASyncItem *gfxQueueASyncGetI(gfxQueueASync *pqueue);
 gfxQueueGSyncItem *gfxQueueGSyncGet(gfxQueueGSync *pqueue, delaytime_t ms);
+gfxQueueGSyncItem *gfxQueueGSyncGetI(gfxQueueGSync *pqueue);
 gfxQueueFSyncItem *gfxQueueFSyncGet(gfxQueueFSync *pqueue, delaytime_t ms);
 /* @} */
 
@@ -208,12 +209,12 @@ void gfxQueueFSyncRemove(gfxQueueFSync *pqueue, gfxQueueFSyncItem *pitem);
  * @api
  * @{
  */
-#define gfxQueueASyncIsEmpty(pqueue)		(pqueue->head == 0)
-#define gfxQueueASyncIsEmptyI(pqueue)		(pqueue->head == 0)
-#define gfxQueueGSyncIsEmpty(pqueue)		(pqueue->head == 0)
-#define gfxQueueGSyncIsEmptyI(pqueue)		(pqueue->head == 0)
-#define gfxQueueFSyncIsEmpty(pqueue)		(pqueue->head == 0)
-#define gfxQueueFSyncIsEmptyI(pqueue)		(pqueue->head == 0)
+#define gfxQueueASyncIsEmpty(pqueue)		((pqueue)->head == 0)
+#define gfxQueueASyncIsEmptyI(pqueue)		((pqueue)->head == 0)
+#define gfxQueueGSyncIsEmpty(pqueue)		((pqueue)->head == 0)
+#define gfxQueueGSyncIsEmptyI(pqueue)		((pqueue)->head == 0)
+#define gfxQueueFSyncIsEmpty(pqueue)		((pqueue)->head == 0)
+#define gfxQueueFSyncIsEmptyI(pqueue)		((pqueue)->head == 0)
 /* @} */
 
 /**