/* -----------------------------------------------------------------------------
- * $Id: SchedAPI.h,v 1.3 1999/05/21 14:46:21 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.
#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;
}
* 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;
}
/*
* 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