109 }
110 return res;
111 }
112
113 template<bool external_guard>
114 oop JNIHandles::resolve_jweak(jweak handle) {
115 assert(is_jweak(handle), "precondition");
116 oop result = jweak_ref(handle);
117 result = guard_value<external_guard>(result);
118 #if INCLUDE_ALL_GCS
119 if (result != NULL && UseG1GC) {
120 G1SATBCardTableModRefBS::enqueue(result);
121 }
122 #endif // INCLUDE_ALL_GCS
123 return result;
124 }
125
126 template oop JNIHandles::resolve_jweak<true>(jweak);
127 template oop JNIHandles::resolve_jweak<false>(jweak);
128
129 void JNIHandles::destroy_global(jobject handle) {
130 if (handle != NULL) {
131 assert(is_global_handle(handle), "Invalid delete of global JNI handle");
132 jobject_ref(handle) = deleted_handle();
133 }
134 }
135
136
137 void JNIHandles::destroy_weak_global(jobject handle) {
138 if (handle != NULL) {
139 jweak_ref(handle) = deleted_handle();
140 }
141 }
142
143
144 void JNIHandles::oops_do(OopClosure* f) {
145 f->do_oop(&_deleted_handle);
146 _global_handles->oops_do(f);
147 }
148
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109 }
110 return res;
111 }
112
113 template<bool external_guard>
114 oop JNIHandles::resolve_jweak(jweak handle) {
115 assert(is_jweak(handle), "precondition");
116 oop result = jweak_ref(handle);
117 result = guard_value<external_guard>(result);
118 #if INCLUDE_ALL_GCS
119 if (result != NULL && UseG1GC) {
120 G1SATBCardTableModRefBS::enqueue(result);
121 }
122 #endif // INCLUDE_ALL_GCS
123 return result;
124 }
125
126 template oop JNIHandles::resolve_jweak<true>(jweak);
127 template oop JNIHandles::resolve_jweak<false>(jweak);
128
129 bool JNIHandles::is_global_weak_cleared(jweak handle) {
130 assert(is_jweak(handle), "not a weak handle");
131 return guard_value<false>(jweak_ref(handle)) == NULL;
132 }
133
134 void JNIHandles::destroy_global(jobject handle) {
135 if (handle != NULL) {
136 assert(is_global_handle(handle), "Invalid delete of global JNI handle");
137 jobject_ref(handle) = deleted_handle();
138 }
139 }
140
141
142 void JNIHandles::destroy_weak_global(jobject handle) {
143 if (handle != NULL) {
144 jweak_ref(handle) = deleted_handle();
145 }
146 }
147
148
149 void JNIHandles::oops_do(OopClosure* f) {
150 f->do_oop(&_deleted_handle);
151 _global_handles->oops_do(f);
152 }
153
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