New implementation of BLACKHOLEs

[ghc-hetmet.git] / rts / Threads.h

diff --git a/rts/Threads.h b/rts/Threads.h
index 541ca87..000cf1b 100644 (file)
--- a/rts/Threads.h
+++ b/rts/Threads.h
@@ -9,23 +9,33 @@
 #ifndef THREADS_H
 #define THREADS_H
 
-#if defined(GRAN) || defined(PARALLEL_HASKELL)
-StgBlockingQueueElement * unblockOne (StgBlockingQueueElement *bqe, 
-                                     StgClosure *node);
-#else
+BEGIN_RTS_PRIVATE
+
+#define END_BLOCKED_EXCEPTIONS_QUEUE ((MessageThrowTo*)END_TSO_QUEUE)
+
 StgTSO * unblockOne (Capability *cap, StgTSO *tso);
 StgTSO * unblockOne_ (Capability *cap, StgTSO *tso, rtsBool allow_migrate);
-#endif
 
-#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);
+
+// 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);
 #endif
 
+void updateThunk         (Capability *cap, StgTSO *tso,
+                          StgClosure *thunk, StgClosure *val);
+
 void removeThreadFromMVarQueue (Capability *cap, StgMVar *mvar, StgTSO *tso);
-void removeThreadFromQueue     (Capability *cap, StgTSO **queue, StgTSO *tso);
-void removeThreadFromDeQueue   (Capability *cap, StgTSO **head, StgTSO **tail, StgTSO *tso);
+
+rtsBool removeThreadFromQueue     (Capability *cap, StgTSO **queue, StgTSO *tso);
+rtsBool removeThreadFromDeQueue   (Capability *cap, StgTSO **head, StgTSO **tail, StgTSO *tso);
 
 StgBool isThreadBound (StgTSO* tso);
 
@@ -34,13 +44,8 @@ void printThreadBlockage (StgTSO *tso);
 void printThreadStatus (StgTSO *t);
 void printAllThreads (void);
 void printThreadQueue (StgTSO *t);
-# if defined(PARALLEL_HASKELL)
-void print_bq (StgClosure *node);
-void print_bqe (StgBlockingQueueElement *bqe);
-nat  run_queue_len (void);
-# elif defined(GRAN)
-void print_bq (StgClosure *node);
-# endif
 #endif
 
+END_RTS_PRIVATE
+
 #endif /* THREADS_H */