X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FWeak.c;h=5546514243564c89a7989d7a0d250181cd464eaf;hb=26f4bfc82f2b2359259578e9c54d476fc2de650f;hp=17150f6b3cc7357d04aee573cb3a1d3d04bb9530;hpb=348e8f801ab659d84acfb49a5c7bbac63646e73a;p=ghc-hetmet.git diff --git a/rts/Weak.c b/rts/Weak.c index 17150f6..5546514 100644 --- a/rts/Weak.c +++ b/rts/Weak.c @@ -8,13 +8,12 @@ #include "PosixSource.h" #include "Rts.h" +#include "RtsAPI.h" + #include "RtsUtils.h" -#include "SchedAPI.h" -#include "RtsFlags.h" #include "Weak.h" #include "Schedule.h" #include "Prelude.h" -#include "RtsAPI.h" #include "Trace.h" // ForeignPtrs with C finalizers rely on weak pointers inside weak_ptr_list @@ -22,11 +21,8 @@ StgWeak *weak_ptr_list; -// So that we can detect when a finalizer illegally calls back into Haskell -rtsBool running_finalizers = rtsFalse; - void -runCFinalizer(StgVoid *fn, StgVoid *ptr, StgVoid *env, StgWord flag) +runCFinalizer(void *fn, void *ptr, void *env, StgWord flag) { if (flag) ((void (*)(void *, void *))fn)(env, ptr); @@ -38,8 +34,12 @@ void runAllCFinalizers(StgWeak *list) { StgWeak *w; + Task *task; - running_finalizers = rtsTrue; + task = myTask(); + if (task != NULL) { + task->running_finalizers = rtsTrue; + } for (w = list; w; w = w->link) { StgArrWords *farr; @@ -47,13 +47,15 @@ runAllCFinalizers(StgWeak *list) farr = (StgArrWords *)UNTAG_CLOSURE(w->cfinalizer); if ((StgClosure *)farr != &stg_NO_FINALIZER_closure) - runCFinalizer((StgVoid *)farr->payload[0], - (StgVoid *)farr->payload[1], - (StgVoid *)farr->payload[2], + runCFinalizer((void *)farr->payload[0], + (void *)farr->payload[1], + (void *)farr->payload[2], farr->payload[3]); } - running_finalizers = rtsFalse; + if (task != NULL) { + task->running_finalizers = rtsFalse; + } } /* @@ -77,9 +79,14 @@ scheduleFinalizers(Capability *cap, StgWeak *list) StgWeak *w; StgTSO *t; StgMutArrPtrs *arr; - nat n; + StgWord size; + nat n, i; + Task *task; - running_finalizers = rtsTrue; + task = myTask(); + if (task != NULL) { + task->running_finalizers = rtsTrue; + } // count number of finalizers, and kill all the weak pointers first... n = 0; @@ -97,9 +104,9 @@ scheduleFinalizers(Capability *cap, StgWeak *list) farr = (StgArrWords *)UNTAG_CLOSURE(w->cfinalizer); if ((StgClosure *)farr != &stg_NO_FINALIZER_closure) - runCFinalizer((StgVoid *)farr->payload[0], - (StgVoid *)farr->payload[1], - (StgVoid *)farr->payload[2], + runCFinalizer((void *)farr->payload[0], + (void *)farr->payload[1], + (void *)farr->payload[2], farr->payload[3]); #ifdef PROFILING @@ -114,17 +121,21 @@ scheduleFinalizers(Capability *cap, StgWeak *list) SET_HDR(w, &stg_DEAD_WEAK_info, w->header.prof.ccs); } - running_finalizers = rtsFalse; + if (task != NULL) { + task->running_finalizers = rtsFalse; + } // No finalizers to run? if (n == 0) return; debugTrace(DEBUG_weak, "weak: batching %d finalizers", n); - arr = (StgMutArrPtrs *)allocateLocal(cap, sizeofW(StgMutArrPtrs) + n); + size = n + mutArrPtrsCardTableSize(n); + arr = (StgMutArrPtrs *)allocate(cap, sizeofW(StgMutArrPtrs) + size); TICK_ALLOC_PRIM(sizeofW(StgMutArrPtrs), n, 0); SET_HDR(arr, &stg_MUT_ARR_PTRS_FROZEN_info, CCS_SYSTEM); arr->ptrs = n; + arr->size = size; n = 0; for (w = list; w; w = w->link) { @@ -133,6 +144,10 @@ scheduleFinalizers(Capability *cap, StgWeak *list) n++; } } + // set all the cards to 1 + for (i = n; i < size; i++) { + arr->payload[i] = (StgClosure *)(W_)(-1); + } t = createIOThread(cap, RtsFlags.GcFlags.initialStkSize,