-#if defined(GRAN) || defined(PARALLEL_HASKELL)
-void awakenBlockedQueue(StgBlockingQueueElement *q, StgClosure *node);
-#else
-void awakenBlockedQueue (Capability *cap, StgTSO *tso);
+void checkBlockingQueues (Capability *cap, StgTSO *tso);
+void wakeBlockingQueue (Capability *cap, StgBlockingQueue *bq);
+void tryWakeupThread (Capability *cap, StgTSO *tso);
+void migrateThread (Capability *from, StgTSO *tso, Capability *to);
+
+// like tryWakeupThread(), but assumes the TSO is not ThreadRelocated
+void tryWakeupThread_ (Capability *cap, StgTSO *tso);
+
+// Wakes up a thread on a Capability (probably a different Capability
+// from the one held by the current Task).
+//
+#ifdef THREADED_RTS
+void wakeupThreadOnCapability (Capability *cap,
+ Capability *other_cap,
+ StgTSO *tso);