Kaj Mikkelsen wrote:
Mark Morgan Lloyd wrote:
Wrong. I've got a terminal session connected to a Solaris 10 system on my
desk at the moment (because I'm trying to debug some LOM issues), and /proc
is fine. However, it's worth remembering that non-Linux implementations tend
to have less in the /proc tree than Linux, and that the Linux kernel
developers are trying to move towards this model.
I maintain SunOS 4, Solaris 7,8 and 9.
I am pretty sure /proc is very invalidated if it exists on the SunOS
platform.
On newer version it requires root privileges.
And I've just fired up a Solaris 10 system:
-bash-3.00$ uname -a
SunOS pye-dev-09 5.10 Generic_118833-17 sun4u sparc SUNW,Sun-Fire-280R
Solaris
-bash-3.00$ ls -l /proc/$PPID/fd
total 0
c--------- 1 root sys 13, 2 Sep 13 15:31 0
c--------- 1 root sys 13, 2 Sep 13 15:31 1
c--------- 0 root root 23, 1 Sep 13 15:38 10
p--------- 0 markMLl staff 0 Sep 13 15:33 11
c--------- 0 root root 23, 1 Sep 13 15:38 12
c--------- 1 root sys 13, 2 Sep 13 15:31 2
D--------- 1 root root 0 Sep 13 15:30 3
s--------- 0 root root 0 Sep 13 15:38 4
p--------- 0 markMLl staff 0 Sep 13 15:33 5
p--------- 0 markMLl staff 0 Sep 13 15:33 6
p--------- 0 markMLl staff 0 Sep 13 15:33 7
s--------- 0 root root 0 Sep 13 15:33 8
c--------- 0 root root 23, 1 Sep 13 15:38 9
-bash-3.00$ ls -l /proc/$PPID/path 2>/dev/null |grep a.out
lrwxrwxrwx 1 markMLl staff 0 Sep 13 15:33 a.out -> /usr/lib/ssh/sshd
Now you'll obviously need elevated privileges to look at properties of
processes that you're not related to, but in other cases /proc (or
directly comparable resources) is available- otherwise where do you
think things like ps get their info?
So if you want to trump that I suggest getting hold of a copy of Solaris
11 (or OpenIndiana or whatever it calls itself these days) and seeing
what restrictions it adds (and then check out Lazarus on it and update
any bits of http://wiki.lazarus.freepascal.org/Lazarus_on_Solaris that
merit attention :-)
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
--
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