FogBugz (Case [Issue]11635) Collection - Race condition in SequenceableCollection>>shuffle

A FogBugz case was edited by Sven Van Caekenberghe.

Case ID:      11635
Title:        Race condition in SequenceableCollection>>shuffle
Status:       Work Needed
Category:     Bug
Project:      Collection
Area:         Misc
Priority:     5 - Fix If Time
Milestone:    Pharo3.0: 30/03/2014
Assigned To:  Everyone

URL:          https://pharo.fogbugz.com/f/cases/11635

Maybe this should be discussed on the list, your are going to break API.

Note that there is also #sort and #sorted with similar copy behavior.

Also, I am not sure that basic operations should use mutexes to protect themselves by default: there is a cost when you are a single threaded user. Even in Java there are synchronized and non-synchronized versions of collections. IMHO, the protection should happen in your app, and basic collections do not have to be thread safe.

Sven


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