MacTech Article: 2605Road to Code
26.05 The Road to Code: Calling All CPUs
Article Synopsis
It can be difficult to write multithreaded code safely. We talked about race conditions that can happen when two threads try and access the same variable at the same time and how to avoid them using the @synchronized keyword to lock critical sections. Other dangers of threads include deadlocks and live locks.
Mac OS X 10.5, Leopard, and iPhone OS 2.0 added the concept of operation queues to help with concurrency issues.
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