* [ECOS] Scheduler question ...
@ 2003-03-25 11:51 Thomas BINDER
2003-03-25 11:54 ` Andrew Lunn
0 siblings, 1 reply; 3+ messages in thread
From: Thomas BINDER @ 2003-03-25 11:51 UTC (permalink / raw)
To: ecos-discuss
Hallo everybody!
I have a short question:
Is it possible that a task switch occurs in a DSR?
Thx,
Tom
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* Re: [ECOS] Scheduler question ...
2003-03-25 11:51 [ECOS] Scheduler question Thomas BINDER
@ 2003-03-25 11:54 ` Andrew Lunn
2003-03-25 15:38 ` Thomas BINDER
0 siblings, 1 reply; 3+ messages in thread
From: Andrew Lunn @ 2003-03-25 11:54 UTC (permalink / raw)
To: Thomas BINDER; +Cc: ecos-discuss
On Tue, Mar 25, 2003 at 12:49:42PM +0100, Thomas BINDER wrote:
>
> Hallo everybody!
>
> I have a short question:
>
> Is it possible that a task switch occurs in a DSR?
No. ISR can interrupt DSR's, but DSR cannot sleep or be pre-emptied by
other DSR or threads. So task switches do not happen inside DSRs.
Andrew
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* Re: [ECOS] Scheduler question ...
2003-03-25 11:54 ` Andrew Lunn
@ 2003-03-25 15:38 ` Thomas BINDER
0 siblings, 0 replies; 3+ messages in thread
From: Thomas BINDER @ 2003-03-25 15:38 UTC (permalink / raw)
To: Andrew Lunn; +Cc: ecos-discuss
Thanks for the information. You safed me a lot of time.
best regards,
Tom
Andrew Lunn wrote:
>
> On Tue, Mar 25, 2003 at 12:49:42PM +0100, Thomas BINDER wrote:
> >
> > Hallo everybody!
> >
> > I have a short question:
> >
> > Is it possible that a task switch occurs in a DSR?
>
> No. ISR can interrupt DSR's, but DSR cannot sleep or be pre-emptied by
> other DSR or threads. So task switches do not happen inside DSRs.
>
> Andrew
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2003-03-25 11:51 [ECOS] Scheduler question Thomas BINDER
2003-03-25 11:54 ` Andrew Lunn
2003-03-25 15:38 ` Thomas BINDER
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