/* -----------------------------------------------------------------------------
- * $Id: Schedule.h,v 1.18 2000/04/14 15:18:07 sewardj Exp $
+ * $Id: Schedule.h,v 1.25 2001/11/22 14:25:12 simonmar Exp $
*
* (c) The GHC Team 1998-1999
*
void startTasks( void );
#endif
-
//@cindex awakenBlockedQueue
/* awakenBlockedQueue()
*
*/
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)
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.
extern Capability *free_capabilities;
extern nat n_free_capabilities;
#else
-extern Capability MainRegTable;
+extern Capability MainCapability;
#endif
/* Thread queues.
#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;
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_ECAF_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.
#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