Re: how to check whether other threads are waiting ..

[Jeff Hartmann]

Imran Badr wrote:

> Hi,
> 
> How can I find out in my kernel code that if mutiple threads are waiting for
> a particular semaphore?
> 
> Thanks,
> imran.
> 
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I haven't looked at the semaphore implementation for other arch's 
closely, but on the ia32 there is a waitqueue in struct semaphore.  
Examine that to detrimine if there are processes waiting, how many, etc.

-Jeff