*BSD News Article 68817


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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: shmget() : SHM_R and SHM_W flags not defined?
Date: 17 May 1996 21:45:35 GMT
Organization: Private BSD site, Dresden
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wleong@mercury.sfsu.edu (WEE-KING LEONG) wrote:

> These two flags are defined in shm.h in SunOS. And Richard Stevens's
> book "Advance Programming in UNIX" also mentioned these flags. Why
> are they missing from the FreeBSD shm.h?

They are no longer missing. :)

Basically, it's just:

#define SHM_R		(IPC_R)
#define SHM_W		(IPC_W)

only.  I think you need to untangle the IPC_R and IPC_W flags, they
were hidden inside #ifdef KERNEL previously.

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)