125 // Due to the uniqueness that no other class shares the anonymous class' name or
126 // ClassLoaderData, no other non-GC thread has knowledge of the anonymous class while
127 // it is being defined, therefore _keep_alive is not volatile or atomic.
128 void ClassLoaderData::inc_keep_alive() {
129 assert(_keep_alive >= 0, "Invalid keep alive count");
130 _keep_alive++;
131 }
132
133 void ClassLoaderData::dec_keep_alive() {
134 assert(_keep_alive > 0, "Invalid keep alive count");
135 _keep_alive--;
136 }
137
138 void ClassLoaderData::oops_do(OopClosure* f, KlassClosure* klass_closure, bool must_claim) {
139 if (must_claim && !claim()) {
140 return;
141 }
142
143 f->do_oop(&_class_loader);
144 _dependencies.oops_do(f);
145 _handles->oops_do(f);
146 if (klass_closure != NULL) {
147 classes_do(klass_closure);
148 }
149 }
150
151 void ClassLoaderData::Dependencies::oops_do(OopClosure* f) {
152 f->do_oop((oop*)&_list_head);
153 }
154
155 void ClassLoaderData::classes_do(KlassClosure* klass_closure) {
156 // Lock-free access requires load_ptr_acquire
157 for (Klass* k = load_ptr_acquire(&_klasses); k != NULL; k = k->next_link()) {
158 klass_closure->do_klass(k);
159 assert(k != k->next_link(), "no loops!");
160 }
161 }
162
163 void ClassLoaderData::classes_do(void f(Klass * const)) {
164 assert_locked_or_safepoint(_metaspace_lock);
165 for (Klass* k = _klasses; k != NULL; k = k->next_link()) {
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125 // Due to the uniqueness that no other class shares the anonymous class' name or
126 // ClassLoaderData, no other non-GC thread has knowledge of the anonymous class while
127 // it is being defined, therefore _keep_alive is not volatile or atomic.
128 void ClassLoaderData::inc_keep_alive() {
129 assert(_keep_alive >= 0, "Invalid keep alive count");
130 _keep_alive++;
131 }
132
133 void ClassLoaderData::dec_keep_alive() {
134 assert(_keep_alive > 0, "Invalid keep alive count");
135 _keep_alive--;
136 }
137
138 void ClassLoaderData::oops_do(OopClosure* f, KlassClosure* klass_closure, bool must_claim) {
139 if (must_claim && !claim()) {
140 return;
141 }
142
143 f->do_oop(&_class_loader);
144 _dependencies.oops_do(f);
145 if (_handles != NULL) {
146 _handles->oops_do(f);
147 }
148 if (klass_closure != NULL) {
149 classes_do(klass_closure);
150 }
151 }
152
153 void ClassLoaderData::Dependencies::oops_do(OopClosure* f) {
154 f->do_oop((oop*)&_list_head);
155 }
156
157 void ClassLoaderData::classes_do(KlassClosure* klass_closure) {
158 // Lock-free access requires load_ptr_acquire
159 for (Klass* k = load_ptr_acquire(&_klasses); k != NULL; k = k->next_link()) {
160 klass_closure->do_klass(k);
161 assert(k != k->next_link(), "no loops!");
162 }
163 }
164
165 void ClassLoaderData::classes_do(void f(Klass * const)) {
166 assert_locked_or_safepoint(_metaspace_lock);
167 for (Klass* k = _klasses; k != NULL; k = k->next_link()) {
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