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July 1995, Week 1

HP3000-L@RAVEN.UTC.EDU
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Subject:
What size a socket descriptor?
From:
Jim Wowchuk <[log in to unmask]>
Reply To:
Jim Wowchuk <[log in to unmask]>
Date:
Mon, 3 Jul 1995 11:57:54 +1000
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Can anyone explain why all the IPCxxx() calls on MPE/iX use a 32-bit integer
descriptor, yet IO[DONT]WAIT returns a 16-bit integer?
 
Okay, IO[DONT]WAIT may refer to files as well as socket descriptors, but is
there any possibility that a socket descriptor could ever be larger than
32767?  If not, why make them 32-bit instead of 16-bit?  I seem to remember
them as 16-bit back on MPE-V.
 
Jim "just looking out for possible errors" Wowchuk

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