Re: [ECOS] cyg_scheduler_lock

[Jonathan Larmour <jlarmour at redhat dot com>]

Rafael Rodríguez Velilla wrote:
> 
> > >   If I lock the scheduler during the thread then no DSR can occur, no
> > > other thread can gain the CPU.
> > >   Is it safe to use cyg_scheduler_lock or unlock inside a DSR?
> >
> > Yes they are safe in a DSR as long as they are balanced (you only lock as
> > many as you unlock).
> 
>   But it must be balanced in each DSR, isn't it? And this makes it completely
> unuseful to use this inside DSRs.

Eh? In what scenario would you want to lock and unlock a different number
of times in a DSR? (or strictly why lock/unlock at all, unless this is code
shared by a thread).

Jifl
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