Mutex, lock, Monitor

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Ryan Liu - 21 Aug 2006 06:21 GMT

Hi,

Cane someone compare Mutex, lock, Monitor, and when to use which one?

And the concept of waiting query, ready query, Pulse, PulseAll, can someone
explain a little bit?

Thanks a lot!
Ryan

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Jon Skeet [C# MVP] - 21 Aug 2006 06:42 GMT

> Cane someone compare Mutex, lock, Monitor, and when to use which one?

lock is just syntactic sugar for Monitor, which should usually be the
first port of call. Mutex is useful when you need a way of
synchronizing across different processes.

> And the concept of waiting query, ready query, Pulse, PulseAll, can someone
> explain a little bit?

See http://www.pobox.com/~skeet/csharp/threads
- although that doesn't cover "waiting query" and "ready query".

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