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Report From: Delphi-BCB/RTL/Delphi/Thread support [ Add a report in this area ]

Report #: 90429

Status: Closed

For In Loops in multiple threads are serialized

Project: Delphi

Build #: 26342

Version: 14.2

Submitted By: Louis Kleiman

Report Type: Minor failure / Design problem

Date Reported: 12/20/2010 10:35:49 AM

Severity: Serious / Highly visible problem

Last Updated: 12/27/2010 5:11:26 PM

Platform: All platforms

Internal Tracking #:

Resolution: Test Case Error (Resolution Comments)

Resolved in Build: : None

Duplicate of: None

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Description

If one iterates through a TList<...> in multiple threads using a For In structure, the iterating is serialized. Converting the For In to a For I := 0 to ... allows proper concurrent iteration.

Steps to Reproduce:

None

Workarounds

None

Attachment

None

Comments

Tomohiro Takahashi at 12/20/2010 5:41:09 PM -

Could you please tell us more detail about your issue?
Is it a request for enhancement?

And, please attach sample project to understand your issue.

Louis Kleiman at 12/27/2010 6:35:26 AM -

Withdrawn. Appears to be related to something else that I am unable to recreate in a small test application. Sorry for the trouble.

Tomohiro Takahashi at 12/27/2010 5:11:20 PM -

Ok, I closed this report as Sysop.
Thanks.

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