Xref: utzoo comp.os.mach:534 comp.unix.internals:364
Path: utzoo!attcan!uunet!virtech!cpcahil
From: cpcahil@virtech.uucp (Conor P. Cahill)
Newsgroups: comp.os.mach,comp.unix.internals
Subject: Re: Problems with IPC
Message-ID: <1990Sep24.104255.23447@virtech.uucp>
Date: 24 Sep 90 10:42:55 GMT
References: <1990Sep24.000946.20656@psuecl.bitnet>
Reply-To: cpcahil@virtech.UUCP (Conor P. Cahill)
Organization: Virtual Technologies Inc., Sterling VA
Lines: 25

In article <1990Sep24.000946.20656@psuecl.bitnet> bpm@psuecl.bitnet writes:
>communicating with each other.  My Unix system seems to have a message limit
>of 40 outstanding, and 4096 bytes total.  This is highly inadequate for my
>
>        2)  Is there any way of circumventing the Unix queue limits?

Re-configure the kernel (pay special attention to the tunable parameters
that start with MSG).

>        3)  Is there any way of creating a shared memory segment larger
>                than 65K?

Same as last answer although you should pay attention to SHM* in this case.

>        5)  What are some good resources for learning more about IPC (in
>                general) and Mach?

For IPC, you could reat the system V programmers guide.



-- 
Conor P. Cahill            (703)430-9247        Virtual Technologies, Inc.,
uunet!virtech!cpcahil                           46030 Manekin Plaza, Suite 160
                                                Sterling, VA 22170