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ID | Category | Severity | Reproducibility | Date Submitted | Last Update | |||||||
0006855 | [Croquet] Any | minor | have not tried | 01-14-08 01:14 | 01-14-08 01:15 | |||||||
Reporter | georgkoester | View Status | public | |||||||||
Assigned To | ||||||||||||
Priority | normal | Resolution | open | |||||||||
Status | new | |||||||||||
Summary | 0006855: Races in TPromise resolver handling. | |||||||||||
Description |
1st: Double execution possible in whenComplete because resolver is set and then executed if isResolved is true, presuming that this would mean that isResolved was already true before resolver was set. Error: resolving might have happened between setting resolver and testing again. 2nd: Resolver might not get executed because in onResolved between ifNotNil checking and resolved assignment whenComplete might be executed, so that whenComplete sees resolved == false and doesn't execute the block, when in fact onResolved is past checking and will assign resolved := true without checking again for a resolver. So the resolver won't be executed. |
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Additional Information |
Reported another issue with TPromise separately in http://bugs.squeak.org/view.php?id=6854 [^] Proposed fix in supplied files. The files supplied contain the fixes for 6854. |
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Attached Files |
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Date Modified | Username | Field | Change |
01-14-08 01:14 | georgkoester | New Issue | |
01-14-08 01:14 | georgkoester | File Added: TPromise.st | |
01-14-08 01:15 | georgkoester | File Added: TPromiseTest.st |
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