X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2FSchedule.h;h=b81087d9a2f1910f76b90c2a18ca607a9f5fcad3;hb=4746806f20ee36532564c9ff691cdcb0da190fd2;hp=78b7a60bc79f7b9c14d82ad3c01f07b03fbf8dd1;hpb=dd4c28a9c706cce09ecc2c6f532969efa925532f;p=ghc-hetmet.git

diff --git a/ghc/rts/Schedule.h b/ghc/rts/Schedule.h
index 78b7a60..b81087d 100644
--- a/ghc/rts/Schedule.h
+++ b/ghc/rts/Schedule.h
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: Schedule.h,v 1.17 2000/03/31 03:09:36 hwloidl Exp $
+ * $Id: Schedule.h,v 1.25 2001/11/22 14:25:12 simonmar Exp $
  *
  * (c) The GHC Team 1998-1999
  *
@@ -84,6 +84,24 @@ void raiseAsync(StgTSO *tso, StgClosure *exception);
  */
 void awaitEvent(rtsBool wait);  /* In Select.c */
 
+/* wakeUpSleepingThreads(nat ticks)
+ *
+ * Wakes up any sleeping threads whose timers have expired.
+ *
+ * Called from STG :  NO
+ * Locks assumed   :  sched_mutex
+ */
+rtsBool wakeUpSleepingThreads(nat);  /* In Select.c */
+
+/* GetRoots(evac_fn f)
+ *
+ * Call f() for each root known to the scheduler.
+ *
+ * Called from STG :  NO
+ * Locks assumed   :  ????
+ */
+void GetRoots(evac_fn);
+
 // ToDo: check whether all fcts below are used in the SMP version, too
 //@cindex awaken_blocked_queue
 #if defined(GRAN)
@@ -111,12 +129,8 @@ void    initThread(StgTSO *tso, nat stack_size);
 extern nat context_switch;
 extern rtsBool interrupted;
 
-extern  nat ticks_since_select;
-
-//@cindex Capability
-/* Capability type
- */
-typedef StgRegTable Capability;
+/* In Select.c */
+extern nat timestamp;
 
 /* Free capability list.
  * Locks required: sched_mutex.
@@ -125,7 +139,7 @@ typedef StgRegTable Capability;
 extern Capability *free_capabilities;
 extern nat n_free_capabilities;
 #else
-extern Capability MainRegTable;
+extern Capability MainCapability;
 #endif
 
 /* Thread queues.
@@ -138,6 +152,7 @@ extern Capability MainRegTable;
 #else
 extern  StgTSO *run_queue_hd, *run_queue_tl;
 extern  StgTSO *blocked_queue_hd, *blocked_queue_tl;
+extern  StgTSO *sleeping_queue;
 #endif
 /* Linked list of all threads. */
 extern  StgTSO *all_threads;
@@ -185,21 +200,15 @@ void printThreadStatus(StgTSO *tso);
 void printAllThreads(void);
 #endif
 void print_bq (StgClosure *node);
+#if defined(PAR)
+void print_bqe (StgBlockingQueueElement *bqe);
+#endif
 
 /* -----------------------------------------------------------------------------
  * Some convenient macros...
  */
 
-/* this is the NIL ptr for a TSO queue (e.g. runnable queue) */
-#define END_TSO_QUEUE  ((StgTSO *)(void*)&END_TSO_QUEUE_closure)
-/* this is the NIL ptr for a list CAFs */
-#define END_CAF_LIST   ((StgCAF *)(void*)&END_TSO_QUEUE_closure)
-#if defined(PAR) || defined(GRAN)
-/* this is the NIL ptr for a blocking queue */
-# define END_BQ_QUEUE  ((StgBlockingQueueElement *)(void*)&END_TSO_QUEUE_closure)
-/* this is the NIL ptr for a blocked fetch queue (as in PendingFetches in GUM) */
-# define END_BF_QUEUE  ((StgBlockedFetch *)(void*)&END_TSO_QUEUE_closure)
-#endif
+/* END_TSO_QUEUE and friends now defined in includes/StgMiscClosures.h */
 
 //@cindex APPEND_TO_RUN_QUEUE
 /* Add a thread to the end of the run queue.
@@ -266,6 +275,11 @@ void print_bq (StgClosure *node);
 #define THREAD_RUNNABLE()  /* nothing */
 #endif
 
+//@cindex EMPTY_RUN_QUEUE
+/* Check whether the run queue is empty i.e. the PE is idle
+ */
+#define EMPTY_RUN_QUEUE()     (run_queue_hd == END_TSO_QUEUE)
+
 //@node Index,  , Some convenient macros
 //@subsection Index