X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=rts%2FSchedule.h;h=549f555a1178667f4b01add9ce5943b0eb9d49c6;hp=af322d804f3b146ae6f5959abbe8c0922059cb21;hb=HEAD;hpb=7effbbbbdfe7eb05c6402fa9337e358e7e9fadde diff --git a/rts/Schedule.h b/rts/Schedule.h index af322d8..549f555 100644 --- a/rts/Schedule.h +++ b/rts/Schedule.h @@ -14,7 +14,7 @@ #include "Capability.h" #include "Trace.h" -BEGIN_RTS_PRIVATE +#include "BeginPrivate.h" /* initScheduler(), exitScheduler() * Called from STG : no @@ -23,6 +23,7 @@ BEGIN_RTS_PRIVATE void initScheduler (void); void exitScheduler (rtsBool wait_foreign); void freeScheduler (void); +void markScheduler (evac_fn evac, void *user); // Place a new thread on the run queue of the current Capability void scheduleThread (Capability *cap, StgTSO *tso); @@ -44,7 +45,7 @@ void wakeUpRts(void); StgWord raiseExceptionHelper (StgRegTable *reg, StgTSO *tso, StgClosure *exception); /* findRetryFrameHelper */ -StgWord findRetryFrameHelper (StgTSO *tso); +StgWord findRetryFrameHelper (Capability *cap, StgTSO *tso); /* Entry point for a new worker */ void scheduleWorker (Capability *cap, Task *task); @@ -86,15 +87,6 @@ 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 - * it is possible that one or more of them may be available to run. - * This flag is set to rtsFalse after we've checked the queue, and - * set to rtsTrue just before we run some Haskell code. It is used - * to decide whether we should yield the Capability or not. - * Locks required : none (see scheduleCheckBlackHoles()). - */ -extern rtsBool blackholes_need_checking; - extern rtsBool heap_overflow; #if defined(THREADED_RTS) @@ -105,7 +97,6 @@ extern Mutex sched_mutex; void interruptStgRts (void); void resurrectThreads (StgTSO *); -void performPendingThrowTos (StgTSO *); /* ----------------------------------------------------------------------------- * Some convenient macros/inline functions... @@ -128,8 +119,10 @@ appendToRunQueue (Capability *cap, StgTSO *tso) ASSERT(tso->_link == END_TSO_QUEUE); if (cap->run_queue_hd == END_TSO_QUEUE) { cap->run_queue_hd = tso; + tso->block_info.prev = END_TSO_QUEUE; } else { setTSOLink(cap, cap->run_queue_tl, tso); + setTSOPrev(cap, tso, cap->run_queue_tl); } cap->run_queue_tl = tso; traceEventThreadRunnable (cap, tso); @@ -138,10 +131,17 @@ appendToRunQueue (Capability *cap, StgTSO *tso) /* Push a thread on the beginning of the run queue. * ASSUMES: cap->running_task is the current task. */ -INLINE_HEADER void +EXTERN_INLINE void +pushOnRunQueue (Capability *cap, StgTSO *tso); + +EXTERN_INLINE void pushOnRunQueue (Capability *cap, StgTSO *tso) { setTSOLink(cap, tso, cap->run_queue_hd); + tso->block_info.prev = END_TSO_QUEUE; + if (cap->run_queue_hd != END_TSO_QUEUE) { + setTSOPrev(cap, cap->run_queue_hd, tso); + } cap->run_queue_hd = tso; if (cap->run_queue_tl == END_TSO_QUEUE) { cap->run_queue_tl = tso; @@ -156,6 +156,9 @@ popRunQueue (Capability *cap) StgTSO *t = cap->run_queue_hd; ASSERT(t != END_TSO_QUEUE); cap->run_queue_hd = t->_link; + if (t->_link != END_TSO_QUEUE) { + t->_link->block_info.prev = END_TSO_QUEUE; + } t->_link = END_TSO_QUEUE; // no write barrier req'd if (cap->run_queue_hd == END_TSO_QUEUE) { cap->run_queue_tl = END_TSO_QUEUE; @@ -163,6 +166,8 @@ popRunQueue (Capability *cap) return t; } +extern void removeFromRunQueue (Capability *cap, StgTSO *tso); + /* Add a thread to the end of the blocked queue. */ #if !defined(THREADED_RTS) @@ -179,25 +184,6 @@ appendToBlockedQueue(StgTSO *tso) } #endif -#if defined(THREADED_RTS) -// Assumes: my_cap is owned by the current Task. We hold -// other_cap->lock, but we do not necessarily own other_cap; another -// Task may be running on it. -INLINE_HEADER void -appendToWakeupQueue (Capability *my_cap, Capability *other_cap, StgTSO *tso) -{ - ASSERT(tso->_link == END_TSO_QUEUE); - if (other_cap->wakeup_queue_hd == END_TSO_QUEUE) { - other_cap->wakeup_queue_hd = tso; - } else { - // my_cap is passed to setTSOLink() because it may need to - // write to the mutable list. - setTSOLink(my_cap, other_cap->wakeup_queue_tl, tso); - } - other_cap->wakeup_queue_tl = tso; -} -#endif - /* Check whether various thread queues are empty */ INLINE_HEADER rtsBool @@ -212,14 +198,6 @@ emptyRunQueue(Capability *cap) return emptyQueue(cap->run_queue_hd); } -#if defined(THREADED_RTS) -INLINE_HEADER rtsBool -emptyWakeupQueue(Capability *cap) -{ - return emptyQueue(cap->wakeup_queue_hd); -} -#endif - #if !defined(THREADED_RTS) #define EMPTY_BLOCKED_QUEUE() (emptyQueue(blocked_queue_hd)) #define EMPTY_SLEEPING_QUEUE() (emptyQueue(sleeping_queue)) @@ -237,7 +215,7 @@ emptyThreadQueues(Capability *cap) #endif /* !IN_STG_CODE */ -END_RTS_PRIVATE +#include "EndPrivate.h" #endif /* SCHEDULE_H */