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comparison src/share/vm/prims/jvmtiRedefineClasses.cpp @ 609:ea20d7ce26b0

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6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness Summary: Check for NULL return values from jvmti_thread_state() and state_for() and return a JVM TI error code as appropriate. Reviewed-by: coleenp, swamyv
author dcubed
date Mon, 02 Mar 2009 14:00:23 -0700
parents a61af66fc99e
children afa80fa86d22
comparison
equal deleted inserted replaced
608:0386097d43d8 609:ea20d7ce26b0
829 } 829 }
830 830
831 ResourceMark rm(THREAD); 831 ResourceMark rm(THREAD);
832 832
833 JvmtiThreadState *state = JvmtiThreadState::state_for(JavaThread::current()); 833 JvmtiThreadState *state = JvmtiThreadState::state_for(JavaThread::current());
834 // state can only be NULL if the current thread is exiting which
835 // should not happen since we're trying to do a RedefineClasses
836 guarantee(state != NULL, "exiting thread calling load_new_class_versions");
834 for (int i = 0; i < _class_count; i++) { 837 for (int i = 0; i < _class_count; i++) {
835 oop mirror = JNIHandles::resolve_non_null(_class_defs[i].klass); 838 oop mirror = JNIHandles::resolve_non_null(_class_defs[i].klass);
836 // classes for primitives cannot be redefined 839 // classes for primitives cannot be redefined
837 if (!is_modifiable_class(mirror)) { 840 if (!is_modifiable_class(mirror)) {
838 return JVMTI_ERROR_UNMODIFIABLE_CLASS; 841 return JVMTI_ERROR_UNMODIFIABLE_CLASS;