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6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"

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The CMS concurrent precleaning and concurrent marking phases should work around classes that are undergoing redefinition.

Reviewed-by: ysr, dcubed
This commit is contained in:
Jon Masamitsu 2009-01-11 16:58:24 -08:00
parent 3474623106
commit c2ff9781c7
18 changed files with 161 additions and 19 deletions
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4
hotspot/src/share/vm/oops/constantPoolKlass.hpp
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@ -34,7 +34,7 @@ class constantPoolKlass : public Klass {
// Allocation
DEFINE_ALLOCATE_PERMANENT(constantPoolKlass);
constantPoolOop allocate(int length, TRAPS);
constantPoolOop allocate(int length, bool is_conc_safe, TRAPS);
static klassOop create_klass(TRAPS);
// Casting from klassOop
@ -48,6 +48,8 @@ class constantPoolKlass : public Klass {
int object_size() const { return align_object_size(header_size()); }
// Garbage collection
// Returns true is the object is safe for GC concurrent processing.
virtual bool oop_is_conc_safe(oop obj) const;
void oop_follow_contents(oop obj);
int oop_adjust_pointers(oop obj);