Date: Sun, 22 Apr 2001 11:36:08 -0400 (EDT) From: Zhihui Zhang <zzhang@cs.binghamton.edu> To: freebsd-questions@freebsd.org Subject: Questions on shared memory Message-ID: <Pine.SOL.4.21.0104221127530.20265-100000@opal>
next in thread | raw e-mail | index | archive | help
I found out by chance that after I started X windows (Gnome+Enlightment),
there will be a lot of shared memory created:
Shared Memory:
T ID KEY MODE OWNER GROUP
m 196608 0 --rwarwarwa root wheel
m 131073 0 --rwarwarwa root wheel
m 131074 0 --rwarwarwa root wheel
m 131075 0 --rwarwarwa root wheel
......
After I exit X-windows, there are still a couple of them:
Shared Memory:
T ID KEY MODE OWNER GROUP
m 262144 0 --rwarwarwa root wheel
m 196634 0 --rwarwarwa root wheel
My questions are:
(1) On Redhat6.2, I am using X-windows (GNOME+Enlightment) as well.
But no shared memory exists as reported by ipcs command. Why there can be
such a difference? Who is creating these large number of shared memory.
(2) The ipcs manual of FreeBSD is not completed. So I look at the manual
of SunOS. It says:
MODE (all)
The facility access modes and flags: The mode con-
sists of 11 characters that are interpreted as
follows. The first two characters are:
C The associated shared memory segment is
to be cleared when the first attach is
executed.
Does FreeBSD support this feature? If so, how to enable it? Thanks for
your help.
-Zhihui
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.SOL.4.21.0104221127530.20265-100000>