Re: [ECOS] Re: Waiting I/O operation

[Uwe Kindler <uwe_kindler at web dot de>]

This is what the documentation says about flags and DSRs:

http://ecos.sourceware.org/docs-latest/ref/kernel-flags.html

So it seems to be possible to use cyg_flag_setbits() from DSRs.

Andrew Lunn schrieb:
> > But, one my today DSR uses the cyg_flag_setbits() notifier and that
> > works as I could expect. I found that is more simple, because that
> > doesn't need itself in a mutex. I wonder about the right hacking from
> > the eCos experts.
>
> You are not allowed to block in a DSR. So look through the
> cyg_flag_setbits() code and see if it calls any functions to block
> itself. 
>
>         Andrew

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