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())
------------------------------------------------------------------------- */