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diff src/share/vm/runtime/mutexLocker.hpp @ 6939:c284cf4781f0

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7127792: Add the ability to change an existing PeriodicTask's execution interval Summary: Enables dynamic enrollment / disenrollment from the PeriodicTasks in WatcherThread. Reviewed-by: dholmes, mgronlun
author rbackman
date Thu, 04 Oct 2012 14:55:57 +0200
parents 0a10d80352d5
children e522a00b91aa 6337ca4dcad8
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--- a/src/share/vm/runtime/mutexLocker.hpp	Mon Nov 05 13:55:31 2012 -0800
+++ b/src/share/vm/runtime/mutexLocker.hpp	Thu Oct 04 14:55:57 2012 +0200
@@ -142,6 +142,7 @@
 extern Monitor* JfrMsg_lock;                     // protects JFR messaging
 extern Mutex*   JfrBuffer_lock;                  // protects JFR buffer operations
 extern Mutex*   JfrStream_lock;                  // protects JFR stream access
+extern Monitor* PeriodicTask_lock;               // protects the periodic task structure
 
 // A MutexLocker provides mutual exclusion with respect to a given mutex
 // for the scope which contains the locker.  The lock is an OS lock, not