Lock Upgrading

[JSR166 Concurrency mailing list]

Some of you might enjoy today's Java Specialists Newsletter:

https://www.javaspecialists.eu/archive/Issue279.html

Title: Upgrading ReadWriteLock

Abstract: The Java ReentrantReadWriteLock can never ever upgrade a read
lock to a write lock. Kotlin's extension function
ReentrantReadWriteLock.write() cheats a bit by letting go of the read
lock before upgrading, thus opening the door for race conditions. A
better solution is StampedLock, which has a method to try to convert the
lock to a write lock.


Regards

Heinz
--
Dr Heinz M. Kabutz (PhD CompSci)
Author of "The Java™ Specialists' Newsletter" - www.javaspecialists.eu
Java Champion - www.javachampions.org
JavaOne Rock Star Speaker
Tel: [phone]
Skype: kabutz

_______________________________________________
Concurrency-interest mailing list
[hidden email]
http://cs.oswego.edu/mailman/listinfo/concurrency-interest