Add support for NoSpecConstr annotation

[ghc-hetmet.git] / rts / Schedule.c

diff --git a/rts/Schedule.c b/rts/Schedule.c
index 9b261cf..539e006 100644 (file)
--- a/rts/Schedule.c
+++ b/rts/Schedule.c
@@ -1062,7 +1062,7 @@ schedulePostRunThread (Capability *cap, StgTSO *t)
             // partially-evaluated thunks on the heap.
             throwToSingleThreaded_(cap, t, NULL, rtsTrue);
             
-            ASSERT(get_itbl((StgClosure *)t->sp)->type == ATOMICALLY_FRAME);
+//            ASSERT(get_itbl((StgClosure *)t->sp)->type == ATOMICALLY_FRAME);
         }
     }
 
@@ -1418,6 +1418,18 @@ scheduleDoGC (Capability *cap, Task *task USED_IF_THREADS, rtsBool force_major)
     if (gc_type == PENDING_GC_SEQ)
     {
         traceSchedEvent(cap, EVENT_REQUEST_SEQ_GC, 0, 0);
+    }
+    else
+    {
+        traceSchedEvent(cap, EVENT_REQUEST_PAR_GC, 0, 0);
+        debugTrace(DEBUG_sched, "ready_to_gc, grabbing GC threads");
+    }
+
+    // do this while the other Capabilities stop:
+    if (cap) scheduleCheckBlackHoles(cap);
+
+    if (gc_type == PENDING_GC_SEQ)
+    {
         // single-threaded GC: grab all the capabilities
         for (i=0; i < n_capabilities; i++) {
             debugTrace(DEBUG_sched, "ready_to_gc, grabbing all the capabilies (%d/%d)", i, n_capabilities);
@@ -1440,16 +1452,16 @@ scheduleDoGC (Capability *cap, Task *task USED_IF_THREADS, rtsBool force_major)
     {
         // multi-threaded GC: make sure all the Capabilities donate one
         // GC thread each.
-        traceSchedEvent(cap, EVENT_REQUEST_PAR_GC, 0, 0);
-        debugTrace(DEBUG_sched, "ready_to_gc, grabbing GC threads");
-
         waitForGcThreads(cap);
     }
-#endif
 
-    // so this happens periodically:
+#else /* !THREADED_RTS */
+
+    // do this while the other Capabilities stop:
     if (cap) scheduleCheckBlackHoles(cap);
-    
+
+#endif
+
     IF_DEBUG(scheduler, printAllThreads());
 
 delete_threads_and_gc:
@@ -2564,7 +2576,7 @@ findRetryFrameHelper (StgTSO *tso)
       
     case CATCH_STM_FRAME: {
         StgTRecHeader *trec = tso -> trec;
-       StgTRecHeader *outer = stmGetEnclosingTRec(trec);
+       StgTRecHeader *outer = trec -> enclosing_trec;
         debugTrace(DEBUG_stm,
                   "found CATCH_STM_FRAME at %p during retry", p);
         debugTrace(DEBUG_stm, "trec=%p outer=%p", trec, outer);