AutoResetEvent、ManualResetEvent 与监视器 [英] AutoResetEvent, ManualResetEvent vs Monitor

问题描述

Lets say I have to orchestrate a synchronization algorithm in .Net 3.5 SP1 and any of the synchronization primitives listed in the title fit perfectly for the task.

From a performance perspective, is any single one of those more performant than the others?

I ask this because I have been coding for a while now, but without proper knowledge on the subject.

解决方案

If you can, go with Monitor. It's similar to a CRITICAL_SECTION. AutoResetEvent/ManualResetEvent might have slightly more overhead, since these can be shared by different processes, whereas a Monitor belongs to a single process.

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