Path: utzoo!dciem!nrcaer!sce!xicom!alex
From: alex@xicom.uucp (Alex Laney)
Newsgroups: comp.unix.i386
Subject: Re: Message queues.  Possibly dumb mistake.
Message-ID: <1989Dec20.192704.20485@xicom.uucp>
Date: 20 Dec 89 19:27:04 GMT
References: <1989Dec7.150205.12104@antel.uucp>
Reply-To: alex@xicom.UUCP (Alex Laney)
Organization: Xicom Products Group, Ottawa, Ont. Canada
Lines: 30

In article <1989Dec7.150205.12104@antel.uucp> geoff@antel.uucp (Geoff Vona) writes:
>
>I'm trying to use messages and queues under 386/ix 2.0.2 and I'm having
>problems.  In msgsnd and msgrcv, messages are passed using a structure
>called msgbuf that looks like this:
>
>struct msgbuf {
>long mtype;
>char mtext[1];
>};
>
>(from /usr/include/sys/msg.h)
You can use these one-byte messages if you want ...

but I define a struct like this ...

struct {
long mtype;
char buf[2000];
}

and it works. You must have a buffer large enough on both ends for
your messages...



-- 
Alex Laney, Xicom Group, National Semiconductor, Ottawa, Canada (613) 728-9099
uunet!mitel!sce!xicom!alex (alex@xicom.uucp)     Fax: (613) 728-1134
"You save time, increase the amount of work done and it is easy."