Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!mcsun!cernvax!chx400!sgzh!root
From: root@sgzh.uucp (Bruno Pape)
Newsgroups: comp.sys.sgi
Subject: Re: Timeout on serial port read
Message-ID: <1990May7.175515.6051@sgzh.uucp>
Date: 7 May 90 17:55:15 GMT
References: <9005030929.aa08086@VMB.BRL.MIL> <1990May4.161343.1945@sgzh.uucp> <59374@sgi.sgi.com>
Reply-To: root@sgzh.UUCP (Bruno Pape)
Organization: Silicon Graphics S.A., Zuerich, Switzerland
Lines: 19

In article <59374@sgi.sgi.com> vjs@sgi.com (Vernon Schryver) writes:
>
>The VTIME parameter is in units of tenths of seconds, not seconds.
>
>The FIONBIO ioctl works on IRIX TTY's, to give "non-block" I/O.
>
>Using select(2) is almost certainly the best solution.
>

Opps, tenths of a seconds it is.

Non-blocking I/O and non-blocking with a delay are slightly different.

Select seems like overkill for simple tty I/O.  Why is it almost
certainly the best solution?  To all non-blocking tty I/O problems?

Just wondering,

Bruno