What type of locking is needed for ss/sidtab.c?

[Hiten Pandya]

Hello.

Hope this mail finds you in the best of health.  Anyway, I have been
trying to help out in the TrustedBSD project.  I encountered some code
in the SEBSD/ss/sidtab.c file, where SIDTAB_LOCK() and SIDTAB_UNLOCK()
are currently blank macros.

I saw that in the linux case, it uses safe_up() and safe_down(), which
are basically "lock" and "unlock" in FreeBSD terminology.  Also, I
believe according to my experience, that normal MTX_DEF type mutexes
should do unless the code was using read/write semaphores which it
doesnt.  And also, safe_up() and safe_down() interface is deprecated in
Linux 2.5.x series afaik.

Please let me know what type of locking is needed so that I can continue
with it.

Thanking you in advance.
Regards.

-- 
Hiten Pandya
http://www.unixdaemons.com/~hiten
hiten at unixdaemons.com, hiten at uk.FreeBSD.org, hiten at xMach.org
PGP: http://pgp.mit.edu:11371/pks/lookup?search=Hiten+Pandya&op=index

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