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comparison src/share/vm/memory/collectorPolicy.cpp @ 6923:3fadc0e8cffe

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8000988: VM deadlock when running btree006 on windows-i586 Reviewed-by: johnc, jcoomes, ysr
author jmasa
date Tue, 30 Oct 2012 10:23:55 -0700
parents 8da5e203b993
children f34d701e952e
comparison
equal deleted inserted replaced
6915:a516debe2cee 6923:3fadc0e8cffe
740 Metaspace::MetadataType mdtype) { 740 Metaspace::MetadataType mdtype) {
741 uint loop_count = 0; 741 uint loop_count = 0;
742 uint gc_count = 0; 742 uint gc_count = 0;
743 uint full_gc_count = 0; 743 uint full_gc_count = 0;
744 744
745 assert(!Heap_lock->owned_by_self(), "Should not be holding the Heap_lock");
746
745 do { 747 do {
746 MetaWord* result = NULL; 748 MetaWord* result = NULL;
747 if (GC_locker::is_active_and_needs_gc()) { 749 if (GC_locker::is_active_and_needs_gc()) {
748 // If the GC_locker is active, just expand and allocate. 750 // If the GC_locker is active, just expand and allocate.
749 // If that does not succeed, wait if this thread is not 751 // If that does not succeed, wait if this thread is not
754 if (result != NULL) { 756 if (result != NULL) {
755 return result; 757 return result;
756 } 758 }
757 JavaThread* jthr = JavaThread::current(); 759 JavaThread* jthr = JavaThread::current();
758 if (!jthr->in_critical()) { 760 if (!jthr->in_critical()) {
759 MutexUnlocker mul(Heap_lock);
760 // Wait for JNI critical section to be exited 761 // Wait for JNI critical section to be exited
761 GC_locker::stall_until_clear(); 762 GC_locker::stall_until_clear();
762 // The GC invoked by the last thread leaving the critical 763 // The GC invoked by the last thread leaving the critical
763 // section will be a young collection and a full collection 764 // section will be a young collection and a full collection
764 // is (currently) needed for unloading classes so continue 765 // is (currently) needed for unloading classes so continue