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Synchronization hardware in operating system

Juran Novarski
Greenhorn

Joined: Jan 03, 2013
Posts: 5
Hello world!

I know that people here are very mush intelligent in Operating system, that's why I'm right here needing for your help, as I'm a nerbie.
I just wanna know a lot more(more than reading ebooks, etc) about synchronization hardware especially the critical section problem on how is it realted to it?

Thanks in advance
Jayesh A Lalwani
Bartender

Joined: Jan 17, 2008
Posts: 2434
    
  28

JVMs usually use mutex that is provided by the OS to implement synchronization. How the OS implements mutex varies a lot. It depends on the OS itself and the Processor that it is built for. I am not an OS expert, but AFAIK, generally, most CPUs have specialized instructions for updating flags atomically. The OS usually uses that instruction.
 
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