Re: Sharing COM ports

From: JimE (JimE_at_NOSPAMmacrolink.com)
Date: 02/25/05 

Date: Fri, 25 Feb 2005 12:09:03 -0800

"Doron Holan [MS]" wrote:

> what you just described is an RTOS w/out threads and that uses processes as
> a substitute for threads. your statement that all apps must be nice to each
> other is the key. in a generic non targetted OS, you cannot guarantee that
> all the apps play fair with each other and the answer to it is an exclusive
> access device (on windows at least)
>

Actually, I was discribing the serial port functionality of Solaris. There
are some issues regarding user and group permissions, but these are unrelated
to multiple handle support per se. Solaris is not an RTOS, although many
RTOSs also support multiple handes as well. Poorly written apps deserve to
crash: app writers will never clean up their act until they get their noses
rubbed in it.

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