Document Revision History

This table describes the changes to Concurrency Programming Guide.

DateNotes
2012-12-13

Corrected explanation of dispatch queues.

2012-07-17

Removed obsolete information about autorelease pool usage with operations.

2011-01-19

Updated the code for manually executing operations to handle cancellation correctly.

 

Added information about using Objective-C objects in conjunction with dispatch queues.

2010-04-13

Updated to reflect support for iOS.

2009-08-07

Corrected the start method for the nonconcurrent operation object example.

2009-05-22

New document that describes technologies for executing multiple code paths in a concurrent manner.