[ECOS] Timeslicing on arm

Andrew Lunn andrew@lunn.ch
Sun Aug 31 19:42:00 GMT 2008


On Sun, Aug 31, 2008 at 09:20:43PM +0200, Martin Hansen wrote:
> Hi
> 
> I am havinf trouble getting my litle program to work.
> I make two threads each writting to the seriel port, I exspected them
> to both get some output on the port, probably mixed in strange ways.
> (It should be a demo of when to use syncronisation objects.)
> 
> But all runtime is given to just the one thread.
> 
> They have the same priority, mlque is used as scheduler, and
> CYGSEM_KERNEL_SCHED_TIMESLICE is true
> 
> 
> It does not apear the that it is the serial port that somehows just
> belongs to one thread or other error, setting a breakpoint in the
> other thread will newer trigger

Thank about how mutex affect round robin scheduling....

      Andrew

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