2151 virtual bool doHeapRegion(HeapRegion* hr) {
2152 unsigned region_gc_time_stamp = hr->get_gc_time_stamp();
2153 if (_gc_time_stamp != region_gc_time_stamp) {
2154 gclog_or_tty->print_cr("Region "HR_FORMAT" has GC time stamp = %d, "
2155 "expected %d", HR_FORMAT_PARAMS(hr),
2156 region_gc_time_stamp, _gc_time_stamp);
2157 _failures = true;
2158 }
2159 return false;
2160 }
2161
2162 bool failures() { return _failures; }
2163 };
2164
2165 void G1CollectedHeap::check_gc_time_stamps() {
2166 CheckGCTimeStampsHRClosure cl(_gc_time_stamp);
2167 heap_region_iterate(&cl);
2168 guarantee(!cl.failures(), "all GC time stamps should have been reset");
2169 }
2170
2171 bool G1CollectedHeap::heap_lock_held_for_gc() {
2172 Thread* t = Thread::current();
2173 return Heap_lock->owned_by_self()
2174 || ( (t->is_GC_task_thread() || t->is_VM_thread())
2175 && _thread_holds_heap_lock_for_gc);
2176 }
2177
2178 #endif // PRODUCT
2179
2180 void G1CollectedHeap::iterate_dirty_card_closure(CardTableEntryClosure* cl,
2181 DirtyCardQueue* into_cset_dcq,
2182 bool concurrent,
2183 uint worker_i) {
2184 // Clean cards in the hot card cache
2185 G1HotCardCache* hot_card_cache = _cg1r->hot_card_cache();
2186 hot_card_cache->drain(worker_i, g1_rem_set(), into_cset_dcq);
2187
2188 DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set();
2189 size_t n_completed_buffers = 0;
2190 while (dcqs.apply_closure_to_completed_buffer(cl, worker_i, 0, true)) {
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2151 virtual bool doHeapRegion(HeapRegion* hr) {
2152 unsigned region_gc_time_stamp = hr->get_gc_time_stamp();
2153 if (_gc_time_stamp != region_gc_time_stamp) {
2154 gclog_or_tty->print_cr("Region "HR_FORMAT" has GC time stamp = %d, "
2155 "expected %d", HR_FORMAT_PARAMS(hr),
2156 region_gc_time_stamp, _gc_time_stamp);
2157 _failures = true;
2158 }
2159 return false;
2160 }
2161
2162 bool failures() { return _failures; }
2163 };
2164
2165 void G1CollectedHeap::check_gc_time_stamps() {
2166 CheckGCTimeStampsHRClosure cl(_gc_time_stamp);
2167 heap_region_iterate(&cl);
2168 guarantee(!cl.failures(), "all GC time stamps should have been reset");
2169 }
2170
2171 void G1CollectedHeap::set_heap_lock_held_for_gc(bool value) {
2172 _thread_holds_heap_lock_for_gc = value;
2173 }
2174
2175 bool G1CollectedHeap::heap_lock_held_for_gc() {
2176 Thread* t = Thread::current();
2177 return Heap_lock->owned_by_self()
2178 || ( (t->is_GC_task_thread() || t->is_VM_thread())
2179 && _thread_holds_heap_lock_for_gc);
2180 }
2181
2182 #endif // PRODUCT
2183
2184 void G1CollectedHeap::iterate_dirty_card_closure(CardTableEntryClosure* cl,
2185 DirtyCardQueue* into_cset_dcq,
2186 bool concurrent,
2187 uint worker_i) {
2188 // Clean cards in the hot card cache
2189 G1HotCardCache* hot_card_cache = _cg1r->hot_card_cache();
2190 hot_card_cache->drain(worker_i, g1_rem_set(), into_cset_dcq);
2191
2192 DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set();
2193 size_t n_completed_buffers = 0;
2194 while (dcqs.apply_closure_to_completed_buffer(cl, worker_i, 0, true)) {
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