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comparison src/share/vm/runtime/thread.cpp @ 323:b33eef719520

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6740526: sun/management/HotspotThreadMBean/GetInternalThreads.java test failed Reviewed-by: dholmes, dcubed
author xlu
date Mon, 25 Aug 2008 13:52:13 -0700
parents 3529d0e8d09c
children 032ddb9432ad e4355b352b7d
comparison
equal deleted inserted replaced
297:f8068895c22d 323:b33eef719520
2754 } 2754 }
2755 // Someday we could have a table or list of all non-JavaThreads. 2755 // Someday we could have a table or list of all non-JavaThreads.
2756 // For now, just manually iterate through them. 2756 // For now, just manually iterate through them.
2757 tc->do_thread(VMThread::vm_thread()); 2757 tc->do_thread(VMThread::vm_thread());
2758 Universe::heap()->gc_threads_do(tc); 2758 Universe::heap()->gc_threads_do(tc);
2759 { 2759 WatcherThread *wt = WatcherThread::watcher_thread();
2760 // Grab the Terminator_lock to prevent watcher_thread from being terminated. 2760 // Strictly speaking, the following NULL check isn't sufficient to make sure
2761 MutexLockerEx mu(Terminator_lock, Mutex::_no_safepoint_check_flag); 2761 // the data for WatcherThread is still valid upon being examined. However,
2762 WatcherThread *wt = WatcherThread::watcher_thread(); 2762 // considering that WatchThread terminates when the VM is on the way to
2763 if (wt != NULL) 2763 // exit at safepoint, the chance of the above is extremely small. The right
2764 tc->do_thread(wt); 2764 // way to prevent termination of WatcherThread would be to acquire
2765 } 2765 // Terminator_lock, but we can't do that without violating the lock rank
2766 // checking in some cases.
2767 if (wt != NULL)
2768 tc->do_thread(wt);
2769
2766 // If CompilerThreads ever become non-JavaThreads, add them here 2770 // If CompilerThreads ever become non-JavaThreads, add them here
2767 } 2771 }
2768 2772
2769 jint Threads::create_vm(JavaVMInitArgs* args, bool* canTryAgain) { 2773 jint Threads::create_vm(JavaVMInitArgs* args, bool* canTryAgain) {
2770 2774