Mercurial > hg > truffle
diff src/share/vm/runtime/thread.hpp @ 609:ea20d7ce26b0
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 | ad8c8ca4ab0f |
| children | b9fba36710f2 |
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--- a/src/share/vm/runtime/thread.hpp Mon Mar 02 13:57:17 2009 -0700 +++ b/src/share/vm/runtime/thread.hpp Mon Mar 02 14:00:23 2009 -0700 @@ -1345,6 +1345,13 @@ public: // Thread local information maintained by JVMTI. void set_jvmti_thread_state(JvmtiThreadState *value) { _jvmti_thread_state = value; } + // A JvmtiThreadState is lazily allocated. This jvmti_thread_state() + // getter is used to get this JavaThread's JvmtiThreadState if it has + // one which means NULL can be returned. JvmtiThreadState::state_for() + // is used to get the specified JavaThread's JvmtiThreadState if it has + // one or it allocates a new JvmtiThreadState for the JavaThread and + // returns it. JvmtiThreadState::state_for() will return NULL only if + // the specified JavaThread is exiting. JvmtiThreadState *jvmti_thread_state() const { return _jvmti_thread_state; } static ByteSize jvmti_thread_state_offset() { return byte_offset_of(JavaThread, _jvmti_thread_state); } void set_jvmti_get_loaded_classes_closure(JvmtiGetLoadedClassesClosure* value) { _jvmti_get_loaded_classes_closure = value; }