[project @ 2004-11-10 04:17:50 by wolfgang]

[ghc-hetmet.git] / ghc / rts / Schedule.h

diff --git a/ghc/rts/Schedule.h b/ghc/rts/Schedule.h
index 7e12482..516cabf 100644 (file)
--- a/ghc/rts/Schedule.h
+++ b/ghc/rts/Schedule.h
@@ -1,5 +1,4 @@
 /* -----------------------------------------------------------------------------
- * $Id: Schedule.h,v 1.44 2004/02/26 16:14:21 simonmar Exp $
  *
  * (c) The GHC Team 1998-1999
  *
@@ -33,10 +32,8 @@ void awakenBlockedQueue(StgBlockingQueueElement *q, StgClosure *node);
 #elif defined(PAR)
 void awakenBlockedQueue(StgBlockingQueueElement *q, StgClosure *node);
 #else
-void awakenBlockedQueue(StgTSO *tso);
-#if defined(RTS_SUPPORTS_THREADS)
-void awakenBlockedQueueNoLock(StgTSO *tso);
-#endif
+void awakenBlockedQueue (StgTSO *tso);
+void awakenBlockedQueueNoLock (StgTSO *tso);
 #endif
 
 /* unblockOne()
@@ -63,6 +60,9 @@ StgTSO *unblockOne(StgTSO *tso);
 void raiseAsync(StgTSO *tso, StgClosure *exception);
 void raiseAsyncWithLock(StgTSO *tso, StgClosure *exception);
 
+/* raiseExceptionHelper */
+StgWord raiseExceptionHelper (StgTSO *tso, StgClosure *exception);
+
 /* awaitEvent(rtsBool wait)
  *
  * Checks for blocked threads that need to be woken.
@@ -127,11 +127,11 @@ void    initThread(StgTSO *tso, nat stack_size);
 /* Context switch flag.
  * Locks required  : sched_mutex
  */
-extern nat context_switch;
-extern rtsBool interrupted;
+extern int RTS_VAR(context_switch);
+extern rtsBool RTS_VAR(interrupted);
 
 /* In Select.c */
-extern nat timestamp;
+extern nat RTS_VAR(timestamp);
 
 /* Thread queues.
  * Locks required  : sched_mutex
@@ -141,24 +141,22 @@ extern nat timestamp;
 #if defined(GRAN)
 // run_queue_hds defined in GranSim.h
 #else
-extern  StgTSO *run_queue_hd, *run_queue_tl;
-extern  StgTSO *blocked_queue_hd, *blocked_queue_tl;
-extern  StgTSO *sleeping_queue;
+extern  StgTSO *RTS_VAR(run_queue_hd), *RTS_VAR(run_queue_tl);
+extern  StgTSO *RTS_VAR(blocked_queue_hd), *RTS_VAR(blocked_queue_tl);
+extern  StgTSO *RTS_VAR(sleeping_queue);
 #endif
 /* Linked list of all threads. */
-extern  StgTSO *all_threads;
+extern  StgTSO *RTS_VAR(all_threads);
 
 #if defined(RTS_SUPPORTS_THREADS)
 /* Schedule.c has detailed info on what these do */
-extern Mutex       sched_mutex;
-extern Condition   returning_worker_cond;
-extern nat         rts_n_waiting_workers;
-extern nat         rts_n_waiting_tasks;
+extern Mutex       RTS_VAR(sched_mutex);
+extern Condition   RTS_VAR(returning_worker_cond);
+extern nat         RTS_VAR(rts_n_waiting_workers);
+extern nat         RTS_VAR(rts_n_waiting_tasks);
 #endif
 
-StgBool rtsSupportsBoundThreads(void);
 StgBool isThreadBound(StgTSO *tso);
-StgInt forkProcess(HsStablePtr *entry);
 
 extern SchedulerStatus rts_mainLazyIO(HaskellObj p, /*out*/HaskellObj *ret);
 
@@ -203,6 +201,7 @@ typedef struct StgMainThread_ {
   Condition        wakeup;
 #endif
 #endif
+  struct StgMainThread_ *prev;
   struct StgMainThread_ *link;
 } StgMainThread;
 
@@ -280,17 +279,6 @@ void labelThread(StgPtr tso, char *label);
     }                                          \
     blocked_queue_tl = tso;
 
-/* Signal that a runnable thread has become available, in
- * case there are any waiting tasks to execute it.
- */
-#if defined(RTS_SUPPORTS_THREADS)
-#define THREAD_RUNNABLE()                      \
-  wakeBlockedWorkerThread();                   \
-  context_switch = 1;
-#else
-#define THREAD_RUNNABLE()  /* nothing */
-#endif
-
 /* Check whether various thread queues are empty
  */
 #define EMPTY_QUEUE(q)         (q == END_TSO_QUEUE)
@@ -314,7 +302,8 @@ startSchedulerTaskIfNecessary(void);
 #endif
 
 #ifdef DEBUG
-extern void sched_belch(char *s, ...);
+extern void sched_belch(char *s, ...)
+   GNU_ATTRIBUTE(format (printf, 1, 2));
 #endif
 
 #endif /* __SCHEDULE_H__ */