Remove trailing whitespace from HaddockUtils
[ghc-hetmet.git] / rts / StgMiscClosures.cmm
index 6a8f773..639ac7e 100644 (file)
@@ -13,8 +13,8 @@
 #include "Cmm.h"
 
 import pthread_mutex_lock;
-import base_GHCziBase_Czh_static_info;
-import base_GHCziBase_Izh_static_info;
+import ghczmprim_GHCziTypes_Czh_static_info;
+import ghczmprim_GHCziTypes_Izh_static_info;
 import EnterCriticalSection;
 import LeaveCriticalSection;
 
@@ -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
+
+    /* Actually this is not necessary because R1 is about to be destroyed. */
+    LDV_ENTER(R1);
 
-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; }
+#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())
    ------------------------------------------------------------------------- */
@@ -409,14 +428,6 @@ INFO_TABLE(stg_TSO, 0,0,TSO, "TSO", "TSO")
 { foreign "C" barf("TSO object entered!") never returns; }
 
 /* ----------------------------------------------------------------------------
-   Evacuees are left behind by the garbage collector.  Any attempt to enter
-   one is a real bug.
-   ------------------------------------------------------------------------- */
-
-INFO_TABLE(stg_EVACUATED,1,0,EVACUATED,"EVACUATED","EVACUATED")
-{ foreign "C" barf("EVACUATED object entered!") never returns; }
-
-/* ----------------------------------------------------------------------------
    Weak pointers
 
    Live weak pointers have a special closure type.  Dead ones are just
@@ -424,16 +435,16 @@ INFO_TABLE(stg_EVACUATED,1,0,EVACUATED,"EVACUATED","EVACUATED")
    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; }
 
 /* ----------------------------------------------------------------------------
@@ -603,11 +614,11 @@ CLOSURE(stg_dummy_ret_closure,stg_dummy_ret);
  *
  */
 #warning Is this correct? _imp is a pointer!
-#define Char_hash_static_info _imp__base_GHCziBase_Czh_static_info
-#define Int_hash_static_info _imp__base_GHCziBase_Izh_static_info
+#define Char_hash_static_info _imp__ghczmprim_GHCziTypes_Czh_static_info
+#define Int_hash_static_info _imp__ghczmprim_GHCziTypes_Izh_static_info
 #else
-#define Char_hash_static_info base_GHCziBase_Czh_static_info
-#define Int_hash_static_info base_GHCziBase_Izh_static_info
+#define Char_hash_static_info ghczmprim_GHCziTypes_Czh_static_info
+#define Int_hash_static_info ghczmprim_GHCziTypes_Izh_static_info
 #endif