[project @ 2004-02-12 02:04:59 by mthomas]

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

diff --git a/ghc/includes/SchedAPI.h b/ghc/includes/SchedAPI.h
index 26dac54..07fe613 100644 (file)
--- a/ghc/includes/SchedAPI.h
+++ b/ghc/includes/SchedAPI.h
@@ -1,7 +1,7 @@
 /* -----------------------------------------------------------------------------
- * $Id: SchedAPI.h,v 1.3 1999/05/21 14:46:21 sof Exp $
+ * $Id: SchedAPI.h,v 1.19 2003/11/12 17:27:03 sof Exp $
  *
- * (c) The GHC Team 1998
+ * (c) The GHC Team 1998-2002
  *
  * External API for the scheduler.  For most uses, the functions in
  * RtsAPI.h should be enough.
@@ -11,49 +11,59 @@
 #ifndef SCHEDAPI_H
 #define SCHEDAPI_H
 
-/*
- * Running the scheduler
- */
+#if defined(GRAN)
+// Dummy def for NO_PRI if not in GranSim
+#define NO_PRI  0
+#endif
 
-typedef enum {
-    Success,      
-    Killed,     /* another thread killed us                           */
-    Interrupted, /* stopped in response to a call to interruptStgRts   */
-    Deadlock,   
-    AllBlocked,  /* subtly different from Deadlock                     */
-} SchedulerStatus;
-      
-SchedulerStatus schedule(StgTSO *main_thread, /*out*/StgClosure **ret);
+extern SchedulerStatus waitThread(StgTSO *main_thread, /*out*/StgClosure **ret,
+                                  Capability *initialCapability);
 
 /* 
  * Creating threads
  */
+#if defined(GRAN)
+extern StgTSO *createThread(nat stack_size, StgInt pri);
+#else
+extern StgTSO *createThread(nat stack_size);
+#endif
+#if defined(PAR) || defined(SMP)
+extern void taskStart(void);
+#endif
+extern void scheduleThread(StgTSO *tso);
+extern SchedulerStatus scheduleWaitThread(StgTSO *tso, /*out*/HaskellObj* ret,
+                                          Capability *initialCapability);
 
-StgTSO *createThread   (nat stack_size);
-
-static inline void pushClosure   (StgTSO *tso, StgClosure *c) {
+INLINE_HEADER void pushClosure   (StgTSO *tso, StgWord c) {
   tso->sp--;
   tso->sp[0] = (W_) c;
 }
 
-static inline void pushRealWorld (StgTSO *tso) {
-  tso->sp--;
-  tso->sp[0] = (W_) REALWORLD_TAG;
-}
-static inline StgTSO *
+INLINE_HEADER StgTSO *
 createGenThread(nat stack_size,  StgClosure *closure) {
   StgTSO *t;
+#if defined(GRAN)
+  t = createThread(stack_size, NO_PRI);
+#else
   t = createThread(stack_size);
-  pushClosure(t,closure);
+#endif
+  pushClosure(t, (W_)closure);
+  pushClosure(t, (W_)&stg_enter_info);
   return t;
 }
 
-static inline StgTSO *
+INLINE_HEADER StgTSO *
 createIOThread(nat stack_size,  StgClosure *closure) {
   StgTSO *t;
+#if defined(GRAN)
+  t = createThread(stack_size, NO_PRI);
+#else
   t = createThread(stack_size);
-  pushRealWorld(t);
-  pushClosure(t,closure);
+#endif
+  pushClosure(t, (W_)&stg_noforceIO_info);
+  pushClosure(t, (W_)&stg_ap_v_info);
+  pushClosure(t, (W_)closure);
+  pushClosure(t, (W_)&stg_enter_info);
   return t;
 }
 
@@ -62,12 +72,18 @@ createIOThread(nat stack_size,  StgClosure *closure) {
  * to whnf while we're at it.
  */
 
-static inline StgTSO *
+INLINE_HEADER StgTSO *
 createStrictIOThread(nat stack_size,  StgClosure *closure) {
   StgTSO *t;
+#if defined(GRAN)
+  t = createThread(stack_size, NO_PRI);
+#else
   t = createThread(stack_size);
-  pushClosure(t,closure);
-  pushClosure(t,&forceIO_closure);
+#endif
+  pushClosure(t, (W_)&stg_forceIO_info);
+  pushClosure(t, (W_)&stg_ap_v_info);
+  pushClosure(t, (W_)closure);
+  pushClosure(t, (W_)&stg_enter_info);
   return t;
 }
 
@@ -75,13 +91,12 @@ createStrictIOThread(nat stack_size,  StgClosure *closure) {
 /* 
  * Killing threads
  */
-
-void    deleteThread(StgTSO *tso);
-
+extern void deleteThread(StgTSO *tso);
+extern void deleteAllThreads ( void );
+extern int  howManyThreadsAvail ( void );
 /*
- * Reverting CAFs
+ * Run until there are no more threads.
  */
-
-void RevertCAFs(void);
+extern void finishAllThreads ( void );
 
 #endif