*/
void raiseAsync(Capability *cap, StgTSO *tso, StgClosure *exception);
+/* suspendComputation()
+ *
+ * A variant of raiseAsync(), this strips the stack of the specified
+ * thread down to the stop_here point, leaving a current closure on
+ * top of the stack at [stop_here - 1].
+ */
+void suspendComputation(Capability *cap, StgTSO *tso, StgPtr stop_here);
+
/* raiseExceptionHelper */
StgWord raiseExceptionHelper (StgRegTable *reg, StgTSO *tso, StgClosure *exception);
*/
void workerStart(Task *task);
-// ToDo: check whether all fcts below are used in the SMP version, too
#if defined(GRAN)
void awaken_blocked_queue(StgBlockingQueueElement *q, StgClosure *node);
void unlink_from_bq(StgTSO* tso, StgClosure* node);
*/
extern int RTS_VAR(context_switch);
-/* Interrupted flag.
- * Locks required : none (makes one transition from false->true)
+/* The state of the scheduler. This is used to control the sequence
+ * of events during shutdown, and when the runtime is interrupted
+ * using ^C.
*/
-extern rtsBool RTS_VAR(interrupted);
+#define SCHED_RUNNING 0 /* running as normal */
+#define SCHED_INTERRUPTING 1 /* ^C detected, before threads are deleted */
+#define SCHED_INTERRUPTED 2 /* ^C detected, after threads deleted */
+#define SCHED_SHUTTING_DOWN 3 /* final shutdown */
-/* Shutdown flag.
- * Locks required : none (makes one transition from false->true)
- */
-extern rtsBool shutting_down_scheduler;
+extern rtsBool RTS_VAR(sched_state);
/*
* flag that tracks whether we have done any execution in this time slice.
#endif /* !IN_STG_CODE */
+STATIC_INLINE void
+dirtyTSO (StgTSO *tso)
+{
+ tso->flags |= TSO_DIRTY;
+}
+
#endif /* SCHEDULE_H */