>> Keep in mind that the SIGIO issue can be dealt with by simply requiring
>> drivers that support it to always force exclusive access (or to prevent
>> process which did not successfully request and receive exclusive access
>> to never enable async-IO.
>
>Hmmm.....  oops... scratch that...
>
>You'd have to force close-on-fork too....

yeah...and eliminate sockets.  and ttys.  and just about anything else
on which data arrives asynchronously.

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