[project @ 2003-03-06 13:24:46 by ross]

[ghc-hetmet.git] / ghc / includes / Updates.h

diff --git a/ghc/includes/Updates.h b/ghc/includes/Updates.h
index b29fcc2..0820b50 100644 (file)
--- a/ghc/includes/Updates.h
+++ b/ghc/includes/Updates.h
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: Updates.h,v 1.24 2001/03/22 03:51:09 hwloidl Exp $
+ * $Id: Updates.h,v 1.29 2003/01/25 15:54:48 wolfgang Exp $
  *
  * (c) The GHC Team, 1998-1999
  *
@@ -39,7 +39,7 @@
 #define UPD_REAL_IND(updclosure, heapptr)                              \
    {                                                                   \
        const StgInfoTable *info;                                       \
-       if (Bdescr((P_)updclosure)->back != (bdescr *)BaseReg) {        \
+       if (Bdescr((P_)updclosure)->u.back != (bdescr *)BaseReg) {      \
                info = LOCK_CLOSURE(updclosure);                        \
        } else {                                                        \
                info = updclosure->header.info;                         \
@@ -93,6 +93,30 @@
                              (StgClosure *)updclosure,                 \
                              (StgClosure *)heapptr);                   \
    }
+#elif defined(RTS_SUPPORTS_THREADS)
+
+# ifdef TICKY_TICKY
+#  define UPD_IND_NOLOCK(updclosure, heapptr)                  \
+   {                                                           \
+       const StgInfoTable *info;                               \
+       info = ((StgClosure *)updclosure)->header.info;         \
+        AWAKEN_BQ_NOLOCK(info,updclosure);                     \
+       updateWithPermIndirection(info,                         \
+                                 (StgClosure *)updclosure,     \
+                                 (StgClosure *)heapptr);       \
+   }
+# else
+#  define UPD_IND_NOLOCK(updclosure, heapptr)          \
+   {                                                   \
+       const StgInfoTable *info;                       \
+       info = ((StgClosure *)updclosure)->header.info; \
+        AWAKEN_BQ_NOLOCK(info,updclosure);             \
+       updateWithIndirection(info,                     \
+                             (StgClosure *)updclosure, \
+                             (StgClosure *)heapptr);   \
+   }
+# endif
+
 #else
 #define UPD_IND_NOLOCK(updclosure,heapptr) UPD_IND(updclosure,heapptr)
 #endif
@@ -171,6 +195,17 @@ extern void awakenBlockedQueue(StgTSO *q);
           DO_AWAKEN_BQ(closure);                                        \
        }
 
+#ifdef RTS_SUPPORTS_THREADS
+extern void awakenBlockedQueueNoLock(StgTSO *q);
+#define DO_AWAKEN_BQ_NOLOCK(closure)                                   \
+        STGCALL1(awakenBlockedQueueNoLock,                             \
+                ((StgBlockingQueue *)closure)->blocking_queue);
+
+#define AWAKEN_BQ_NOLOCK(info,closure)                                 \
+       if (info == &stg_BLACKHOLE_BQ_info) {                           \
+          DO_AWAKEN_BQ_NOLOCK(closure);                                 \
+       }
+#endif
 #endif /* GRAN || PAR */
 
 /* -------------------------------------------------------------------------
@@ -178,12 +213,15 @@ extern void awakenBlockedQueue(StgTSO *q);
    ------------------------------------------------------------------------- */
 
 #if defined(PROFILING)
-#define PUSH_STD_CCCS(frame) frame->header.prof.ccs = CCCS
+// frame->header.prof.hp.rs = NULL (or frame-header.prof.hp.ldvw = 0) is unnecessary 
+// because it is not used anyhow.
+#define PUSH_STD_CCCS(frame) (frame->header.prof.ccs = CCCS)
 #else
 #define PUSH_STD_CCCS(frame)
 #endif
 
 extern DLL_IMPORT_RTS const StgPolyInfoTable stg_upd_frame_info; 
+extern DLL_IMPORT_RTS const StgPolyInfoTable stg_noupd_frame_info; 
 
 #define PUSH_UPD_FRAME(target, Sp_offset)                      \
        {                                                       \
@@ -191,10 +229,8 @@ extern DLL_IMPORT_RTS const StgPolyInfoTable stg_upd_frame_info;
                TICK_UPDF_PUSHED(target, GET_INFO((StgClosure*)target)); \
                __frame = (StgUpdateFrame *)(Sp + (Sp_offset)) - 1; \
                SET_INFO(__frame, (StgInfoTable *)&stg_upd_frame_info);   \
-               __frame->link = Su;                             \
                __frame->updatee = (StgClosure *)(target);      \
                PUSH_STD_CCCS(__frame);                         \
-               Su = __frame;                                   \
        }
 
 /* -----------------------------------------------------------------------------
@@ -239,16 +275,4 @@ extern void newCAF(StgClosure*);
    Update-related prototypes
    -------------------------------------------------------------------------- */
 
-DLL_IMPORT_RTS extern STGFUN(stg_upd_frame_entry);
-
-extern DLL_IMPORT_RTS const StgInfoTable stg_PAP_info;
-DLL_IMPORT_RTS STGFUN(stg_PAP_entry);
-
-EXTFUN_RTS(stg_update_PAP);
-
-extern DLL_IMPORT_RTS const StgInfoTable stg_AP_UPD_info;
-DLL_IMPORT_RTS STGFUN(stg_AP_UPD_entry);
-
-extern DLL_IMPORT_RTS const StgInfoTable stg_raise_info;
-
 #endif /* UPDATES_H */