X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FStgMiscClosures.cmm;h=639ac7e03a24f44fc49de0b4bd1e9353d4bbe34d;hb=8aaa9ef471cadbc79fca58b234b198065f650dcf;hp=d22a880917785b09e455c1277287a6fdfba9d660;hpb=e5345fe3bc95521b3812377fb3cee9beeba7938b;p=ghc-hetmet.git

diff --git a/rts/StgMiscClosures.cmm b/rts/StgMiscClosures.cmm
index d22a880..639ac7e 100644
--- a/rts/StgMiscClosures.cmm
+++ b/rts/StgMiscClosures.cmm
@@ -384,14 +384,33 @@ INFO_TABLE(stg_CAF_BLACKHOLE,0,1,CAF_BLACKHOLE,"CAF_BLACKHOLE","CAF_BLACKHOLE")
     jump stg_block_blackhole;
 }
 
-#ifdef EAGER_BLACKHOLING
-INFO_TABLE(stg_SE_BLACKHOLE,0,1,SE_BLACKHOLE,"SE_BLACKHOLE","SE_BLACKHOLE")
-{ foreign "C" barf("SE_BLACKHOLE object entered!") never returns; }
+INFO_TABLE(__stg_EAGER_BLACKHOLE,0,1,BLACKHOLE,"EAGER_BLACKHOLE","EAGER_BLACKHOLE")
+{
+    TICK_ENT_BH();
+
+#ifdef THREADED_RTS
+    // foreign "C" debugBelch("BLACKHOLE entry\n");
+#endif
 
-INFO_TABLE(stg_SE_CAF_BLACKHOLE,0,1,SE_CAF_BLACKHOLE,"SE_CAF_BLACKHOLE","SE_CAF_BLACKHOLE")
-{ foreign "C" barf("SE_CAF_BLACKHOLE object entered!") never returns; }
+    /* Actually this is not necessary because R1 is about to be destroyed. */
+    LDV_ENTER(R1);
+
+#if defined(THREADED_RTS)
+    ACQUIRE_LOCK(sched_mutex "ptr");
+    // released in stg_block_blackhole_finally
 #endif
 
+    /* Put ourselves on the blackhole queue */
+    StgTSO__link(CurrentTSO) = W_[blackhole_queue];
+    W_[blackhole_queue] = CurrentTSO;
+
+    /* jot down why and on what closure we are blocked */
+    StgTSO_why_blocked(CurrentTSO) = BlockedOnBlackHole::I16;
+    StgTSO_block_info(CurrentTSO) = R1;
+
+    jump stg_block_blackhole;
+}
+
 /* ----------------------------------------------------------------------------
    Whiteholes are used for the "locked" state of a closure (see lockClosure())
    ------------------------------------------------------------------------- */
@@ -416,16 +435,16 @@ INFO_TABLE(stg_TSO, 0,0,TSO, "TSO", "TSO")
    live weak pointers with dead ones).
    ------------------------------------------------------------------------- */
 
-INFO_TABLE(stg_WEAK,0,4,WEAK,"WEAK","WEAK")
+INFO_TABLE(stg_WEAK,1,4,WEAK,"WEAK","WEAK")
 { foreign "C" barf("WEAK object entered!") never returns; }
 
 /*
  * It's important when turning an existing WEAK into a DEAD_WEAK
  * (which is what finalizeWeak# does) that we don't lose the link
  * field and break the linked list of weak pointers.  Hence, we give
- * DEAD_WEAK 4 non-pointer fields, the same as WEAK.
+ * DEAD_WEAK 5 non-pointer fields.
  */
-INFO_TABLE_CONSTR(stg_DEAD_WEAK,0,4,0,CONSTR,"DEAD_WEAK","DEAD_WEAK")
+INFO_TABLE_CONSTR(stg_DEAD_WEAK,0,5,0,CONSTR,"DEAD_WEAK","DEAD_WEAK")
 { foreign "C" barf("DEAD_WEAK object entered!") never returns; }
 
 /* ----------------------------------------------------------------------------