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6798898: CMS: bugs related to class unloading

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Override should_remember_klasses() and remember_klass() as needed.

Reviewed-by: ysr, jcoomes
This commit is contained in:
Jon Masamitsu 2009-08-24 10:36:31 -07:00
parent ead860c069
commit 20a43bad21
8 changed files with 238 additions and 105 deletions
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15
hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp
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@ -37,16 +37,25 @@ inline void Par_MarkRefsIntoAndScanClosure::trim_queue(uint max) {
}
}
inline void PushOrMarkClosure::remember_klass(Klass* k) {
if (!_revisitStack->push(oop(k))) {
#ifndef PRODUCT
void KlassRememberingOopClosure::check_remember_klasses() const {
assert(_should_remember_klasses == must_remember_klasses(),
"Should remember klasses in this context.");
}
#endif
void KlassRememberingOopClosure::remember_klass(Klass* k) {
if (!_revisit_stack->push(oop(k))) {
fatal("Revisit stack overflow in PushOrMarkClosure");
}
check_remember_klasses();
}
inline void Par_PushOrMarkClosure::remember_klass(Klass* k) {
void Par_KlassRememberingOopClosure::remember_klass(Klass* k) {
if (!_revisit_stack->par_push(oop(k))) {
fatal("Revisit stack overflow in PushOrMarkClosure");
}
check_remember_klasses();
}
inline void PushOrMarkClosure::do_yield_check() {