Date: Thu, 18 Jan 2001 22:25:41 +0100 (CET) From: Michal Zapasnik <bigstar@astercity.net> To: Mikko Tyolajarvi <mikko@dynas.se> Cc: freebsd-questions@freebsd.org Subject: Re: System functions in BSD and others *nix systems. Message-ID: <Pine.BSF.4.21.0101182219430.1262-100000@BS.home.astercity.net> In-Reply-To: <200101181901.f0IJ1Le53616@explorer.rsa.com>
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On Thu, 18 Jan 2001, Mikko Tyolajarvi wrote:
> Two of them actually...
>
> [...]
>
Yes, right.
> >When i run ./one | ./two on FreeBSD i get
> > I recive: 671473920
> >and sa on as i wrote on other tested OS it works fine.
>
> Which is never a guarantee of program correctness :-)
>
Huh ;]
> >Anyone know where the problem is?
>
> You don't check the return values of any of the msg* function calls,
> which may have failed for various reasons. If you do that, you may be
> able to find out what is going wrong.
>
I do as you say ,
[...]
if (msgrcv(q, &msg, sizeof(msg), 0, 0) == -1)
{
perror("msgrcv");
exit(0);
}
And i have
msgrcv: Invalid argument
I check in manual that is the flag [EINVAL]
'msqid is not a valid message queue identifier.'
But if why it work on other OS and on FBSD not?, and what is vaild
in my queue identifer.
--
BS.
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