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From: ekrell@hector.UUCP (Eduardo Krell)
Newsgroups: comp.lang.c
Subject: Re: HELP PLEASE: select() in BSD
Message-ID: <2960@ulysses.homer.nj.att.com>
Date: Thu, 17-Sep-87 10:56:44 EDT
Article-I.D.: ulysses.2960
Posted: Thu Sep 17 10:56:44 1987
Date-Received: Sat, 19-Sep-87 14:43:38 EDT
References: <307@picuxa.UUCP>
Sender: daemon@ulysses.homer.nj.att.com
Reply-To: ekrell@hector (Eduardo Krell)
Organization: AT&T Bell Labs, Murray Hill
Lines: 15

In article <307@picuxa.UUCP> gp@picuxa.UUCP (Greg Pasquariello X1190) writes:

>	According to an associate, there is a function in BSD called
>	select().  This function is similar to sleep(), except that
>	when awakened,  the function can tell who or what woke it (i.e
>	another computer, a port, etc.).  Does anyone no if there is
>	a similar function in System 5 V 3.1?  If not, is there any
>	way to create one?  Thanks in advance.

System V Release 3 has a poll() system call which works like select(), but
only for streams file descriptors. select() works on any file descriptor.
    
    Eduardo Krell                   AT&T Bell Laboratories, Murray Hill

    {ihnp4,seismo,ucbvax}!ulysses!ekrell