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Re: Re: DSR question
- From: Nick Garnett <nickg at ecoscentric dot com>
- To: Iztok Zupet <iztok dot zupet at vsr dot si>
- Cc: Tim Michals <t dot michals at attbi dot com>, eCos-discuss <ecos-discuss at sources dot redhat dot com>
- Date: 01 Oct 2002 19:45:29 +0100
- Subject: Re: [ECOS] Re: DSR question
- References: <20020930193532.LEJ7275.rwcrmhc53.attbi.com@rwcrwbc55><m3bs6fi0z7.fsf@ecoscentric.com><011a01c268f7$292b4e70$7901a8c0@timHome><m37kh2iic7.fsf@ecoscentric.com> <1033495560.3554.6.camel@alatka>
Iztok Zupet <iztok.zupet@vsr.si> writes:
> Question: What happens if the interrupt which caused the DSR to be run,
> retriggers before the DSR finishes? Is the DSR reentered in that case or
> the scheduler waits and executes it on the next run?
>
The scheduler lock will prevent the DSR being re-executed
recursively. The DSR will get re-posted and will be called again after
the current call returns.
--
Nick Garnett - eCos Kernel Architect
http://www.eCosCentric.com/
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