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6814943: getcpool001 catches more than one JvmtiThreadState problem

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Mark field volatile, use membars, and change access order to close race

Reviewed-by: dcubed, dholmes
This commit is contained in:
Keith McGuigan 2011-01-11 10:06:00 -05:00
parent ae65c6240f
commit 6308eab4d5
4 changed files with 13 additions and 11 deletions
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7
hotspot/src/share/vm/prims/jvmtiEventController.cpp
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@ -667,14 +667,13 @@ void
JvmtiEventControllerPrivate::thread_ended(JavaThread *thread) {
// Removes the JvmtiThreadState associated with the specified thread.
// May be called after all environments have been disposed.
assert(JvmtiThreadState_lock->is_locked(), "sanity check");
EC_TRACE(("JVMTI [%s] # thread ended", JvmtiTrace::safe_get_thread_name(thread)));
JvmtiThreadState *state = thread->jvmti_thread_state();
if (state != NULL) {
MutexLocker mu(JvmtiThreadState_lock);
delete state;
}
assert(state != NULL, "else why are we here?");
delete state;
}
void JvmtiEventControllerPrivate::set_event_callbacks(JvmtiEnvBase *env,