Re: stopping a process during a timer interrupt

[Kay Tiong Khoo]

That's true. But if you are writing a profiler, the current process  
is the process of interest in the interrupt context.

Kay Tiong

On Oct 18, 2006, at 10:30 PM, Michal Schmidt wrote:

> Kay Tiong Khoo skrev:
> > On a timer interrupt, I tried to stop the current process by changing
> > it's run state to TASK_STOPPED via set_current_state(TASK_STOPPED).
> > However, this results in a system hang.
> > I can't find a way to stop the current process during an interrupt
> > context. Does such code exist in the kernel? If not, how does one go
> > about implementing it from within a kernel module.
>
> In interrupt context there's no "current process" by definition.
>
> Michal

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