0003523: WorldState runStepMethodsIn:aWorld can block

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Category

Severity

Reproducibility

Date Submitted

Last Update

0003523

[Croquet] Any

minor

always

05-02-06 01:45

06-19-06 21:49

Reporter

bfowlow

View Status

public

Assigned To

andreas

Priority

normal

Resolution

fixed

Status

resolved

Summary

0003523: WorldState runStepMethodsIn:aWorld can block

Description

This code from WorldState runStepMethodsIn: aWorld
is vulnerable to a race condition:

    queue := self class deferredUIMessages.
    [queue isEmpty] whileFalse: [
        queue next value
    ].

which can lead an individual call blocking on 'queue next'
if another world cycle grabs the last message from
the queue between the 'queue isEmpty' check and the 'queue next' call.

Additional Information

Attached Files

Relationships

Notes
(0005283 - 18 - 18 - 18 - 18 - 18 - 18) andreas 06-19-06 21:49	In the repository.

Issue History
Date Modified	Username	Field	Change
05-02-06 01:45	bfowlow	New Issue
06-19-06 21:49	andreas	Status	new => resolved
06-19-06 21:49	andreas	Resolution	open => fixed
06-19-06 21:49	andreas	Assigned To	=> andreas
06-19-06 21:49	andreas	Note Added: 0005283

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