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Bug 379455: tracing API now let the tracer to know about the GC lock count.

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This commit is contained in:
igor@mir2.org 2007-05-04 08:43:19 -07:00
parent 133a30de2e
commit 257bac3e47
1 changed files with 15 additions and 7 deletions
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22
js/src/jsgc.c
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@ -2283,15 +2283,23 @@ gc_lock_traversal(JSDHashTable *table, JSDHashEntryHdr *hdr, uint32 num,
JS_CALL_TRACER(trc, thing, traceKind, "locked object");
/*
* During GC marking JS_CALL_TRACER calls gcThingCallback once. But we need
* to call the callback extra lhe->count - 1 times to report an accurate
* reference count there.
* Bug 379455: we called the tracer once, but to communicate the value of
* thing's lock count to the tracer, or to gcThingCallback when the tracer
* is the GC marking phase, we need to call an extra lhe->count - 1 times.
*/
if (IS_GC_MARKING_TRACER(trc) && (n = lhe->count - 1) != 0) {
rt = trc->context->runtime;
if (rt->gcThingCallback) {
n = lhe->count - 1;
if (n != 0) {
if (IS_GC_MARKING_TRACER(trc)) {
rt = trc->context->runtime;
if (rt->gcThingCallback) {
do {
rt->gcThingCallback(thing, flags,
rt->gcThingCallbackClosure);
} while (--n != 0);
}
} else {
do {
rt->gcThingCallback(thing, flags, rt->gcThingCallbackClosure);
JS_CALL_TRACER(trc, thing, traceKind, "locked object");
} while (--n != 0);
}
}