X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FSchedule.h;h=2dd4acd0d99be8a63f8fa0736eca968272d581f9;hb=ba55b83612b63b2dad5123d1b58d0f5c4d08ebd5;hp=6ed759821290df32dd222a2ab9ad0fc91c6beb0d;hpb=9f076a02084843d54bcb6d8c63c443e9af820b67;p=ghc-hetmet.git diff --git a/rts/Schedule.h b/rts/Schedule.h index 6ed7598..2dd4acd 100644 --- a/rts/Schedule.h +++ b/rts/Schedule.h @@ -10,8 +10,11 @@ #ifndef SCHEDULE_H #define SCHEDULE_H -#include "OSThreads.h" +#include "rts/OSThreads.h" #include "Capability.h" +#include "Trace.h" + +BEGIN_RTS_PRIVATE /* initScheduler(), exitScheduler() * Called from STG : no @@ -29,34 +32,13 @@ void scheduleThread (Capability *cap, StgTSO *tso); // the desired Capability). void scheduleThreadOn(Capability *cap, StgWord cpu, StgTSO *tso); -/* awakenBlockedQueue() - * - * Takes a pointer to the beginning of a blocked TSO queue, and - * wakes up the entire queue. - * Called from STG : yes - * Locks assumed : none - */ -#if defined(GRAN) -void awakenBlockedQueue(StgBlockingQueueElement *q, StgClosure *node); -#elif defined(PAR) -void awakenBlockedQueue(StgBlockingQueueElement *q, StgClosure *node); -#else -void awakenBlockedQueue (Capability *cap, StgTSO *tso); -#endif - /* wakeUpRts() * * Causes an OS thread to wake up and run the scheduler, if necessary. */ +#if defined(THREADED_RTS) void wakeUpRts(void); - -/* unblockOne() - * - * Put the specified thread on the run queue of the given Capability. - * Called from STG : yes - * Locks assumed : we own the Capability. - */ -StgTSO * unblockOne (Capability *cap, StgTSO *tso); +#endif /* raiseExceptionHelper */ StgWord raiseExceptionHelper (StgRegTable *reg, StgTSO *tso, StgClosure *exception); @@ -74,26 +56,6 @@ StgWord findRetryFrameHelper (StgTSO *tso); void OSThreadProcAttr workerStart(Task *task); #endif -#if defined(GRAN) -void awaken_blocked_queue(StgBlockingQueueElement *q, StgClosure *node); -void unlink_from_bq(StgTSO* tso, StgClosure* node); -void initThread(StgTSO *tso, nat stack_size, StgInt pri); -#elif defined(PAR) -nat run_queue_len(void); -void awaken_blocked_queue(StgBlockingQueueElement *q, StgClosure *node); -void initThread(StgTSO *tso, nat stack_size); -#else -char *info_type(StgClosure *closure); // dummy -char *info_type_by_ip(StgInfoTable *ip); // dummy -void awaken_blocked_queue(StgTSO *q); -void initThread(StgTSO *tso, nat stack_size); -#endif - -/* Context switch flag. - * Locks required : none (conflicts are harmless) - */ -extern int RTS_VAR(context_switch); - /* The state of the scheduler. This is used to control the sequence * of events during shutdown, and when the runtime is interrupted * using ^C. @@ -102,7 +64,7 @@ extern int RTS_VAR(context_switch); #define SCHED_INTERRUPTING 1 /* ^C detected, before threads are deleted */ #define SCHED_SHUTTING_DOWN 2 /* final shutdown */ -extern rtsBool RTS_VAR(sched_state); +extern volatile StgWord sched_state; /* * flag that tracks whether we have done any execution in this time slice. @@ -118,21 +80,17 @@ extern rtsBool RTS_VAR(sched_state); * INACTIVE to DONE_GC happens under sched_mutex. No lock required * to set it to ACTIVITY_YES. */ -extern nat recent_activity; +extern volatile StgWord recent_activity; /* Thread queues. * Locks required : sched_mutex * * In GranSim we have one run/blocked_queue per PE. */ -#if defined(GRAN) -// run_queue_hds defined in GranSim.h -#else -extern StgTSO *RTS_VAR(blackhole_queue); +extern StgTSO *blackhole_queue; #if !defined(THREADED_RTS) -extern StgTSO *RTS_VAR(blocked_queue_hd), *RTS_VAR(blocked_queue_tl); -extern StgTSO *RTS_VAR(sleeping_queue); -#endif +extern StgTSO *blocked_queue_hd, *blocked_queue_tl; +extern StgTSO *sleeping_queue; #endif /* Set to rtsTrue if there are threads on the blackhole_queue, and @@ -144,31 +102,18 @@ extern StgTSO *RTS_VAR(sleeping_queue); */ extern rtsBool blackholes_need_checking; +extern rtsBool heap_overflow; + #if defined(THREADED_RTS) -extern Mutex RTS_VAR(sched_mutex); +extern Mutex sched_mutex; #endif -SchedulerStatus rts_mainLazyIO(HaskellObj p, /*out*/HaskellObj *ret); - /* Called by shutdown_handler(). */ void interruptStgRts (void); -nat run_queue_len (void); - void resurrectThreads (StgTSO *); void performPendingThrowTos (StgTSO *); -void printAllThreads(void); - -/* debugging only - */ -#ifdef DEBUG -void print_bq (StgClosure *node); -#endif -#if defined(PAR) -void print_bqe (StgBlockingQueueElement *bqe); -#endif - /* ----------------------------------------------------------------------------- * Some convenient macros/inline functions... */ @@ -191,10 +136,10 @@ appendToRunQueue (Capability *cap, StgTSO *tso) setTSOLink(cap, cap->run_queue_tl, tso); } cap->run_queue_tl = tso; + traceSchedEvent (cap, EVENT_THREAD_RUNNABLE, tso, 0); } -/* Push a thread on the beginning of the run queue. Used for - * newly awakened threads, so they get run as soon as possible. +/* Push a thread on the beginning of the run queue. * ASSUMES: cap->running_task is the current task. */ INLINE_HEADER void @@ -296,5 +241,7 @@ emptyThreadQueues(Capability *cap) #endif /* !IN_STG_CODE */ +END_RTS_PRIVATE + #endif /* SCHEDULE_H */