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February 01, 2011

Mark Wielaard: New GPG key. Finally created a new GPG key using gnupg. The old one was a DSA/1024 bits one and 8 years old. The new one is a RSA/2048 bits one. I will use the new one in the future to sign any release tarballs I might create. pub 2048R/57816A6A 2011-01-29 Key f...

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February 01, 2011

Andrew Hughes: [SECURITY] IcedTea6 1.7.8, 1.8.5, 1.9.5 Released!. We are pleased to announce a new set of security releases, IcedTea6 1.7.8, IcedTea6 1.8.5 and IcedTea6 1.9.5. This update contains the following security updates: The IcedTea project provides a harness to build the source code from OpenJDK6 u...

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home > news > developers > david dice: a race in locksupport park() arising from weak memory models

David Dice: A race in LockSupport park() arising from weak memory models

I recently diagnosed the root cause of a concurrency bug, CR6822370, and thought it sufficiently interesting to share the details. (CR 6822370 actually represents a cluster of bugs that are now thought to be related by a common underlying issue). Briefly, we have a lost wakeup bug in the native C++ Parker::park() platform-specific infrastructure code that implements java.util.concurrent.LockSupport.park(). The lost wakeup arises from ...


Date: November, 30 2009
Url: http://blogs.sun.com/dave/entry/a_race_in_locksupport_park


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