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fix finalization pessimization

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Recurring during finalization marking could potentially delay
finalization that should happen in the same collection.
This commit is contained in:
Matthew Flatt 2019-07-21 14:31:39 -06:00
parent 93f4c9226b
commit deca030d34
1 changed files with 5 additions and 0 deletions
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5
racket/src/racket/gc2/newgc.c
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@ -2672,10 +2672,13 @@ inline static int check_finalizers(NewGC *gc, int level, int old_gen, int fuel)
if (!fuel) return 0;
GC_mark_no_recur(gc, 0);
GCDEBUG((DEBUGOUTF, "CFNL: Checking level %i finalizers\n", level));
while(work) {
if (!fuel) {
GC_ASSERT(old_gen);
GC_mark_no_recur(gc, 1);
return 0;
}
if (fuel > 0) {
@ -2742,6 +2745,8 @@ inline static int check_finalizers(NewGC *gc, int level, int old_gen, int fuel)
}
}
GC_mark_no_recur(gc, 1);
return fuel;
}