On Aug 5, 2010, at 12:52 PM, Andrew Johnson wrote:
> On Thursday 05 August 2010 14:11:53 Ralph Lange wrote:
>> Why would you let people log into IOCs?
>
> Speed? 9600 baud is rather slow nowadays.
>
> Also recent versions of vxWorks 6.x support running multiple target shells at
> the same time, but I should warn anyone who tries this that the EPICS shell
> commands were not written to expect that to be possible, and may have major
> issues with deadlocks or unprotected accesses. I believe the IOC shell is
> reentrant, but I'm not sure if it's thread-safe.
As far as I know, the IOC shell itself is thread-safe but ,as Andrew points out, the functions that it calls may not be.
>
> In general therefore I agree with Ralph that using serial consoles is still
> probably a better solution.
Indeed.
--
Eric Norum
[email protected]
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