ports/144502: mail/spamd port insists on fdescfs mount

[Matthew Seaman]

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On 07/03/2010 17:50:02, olli hauer wrote:

>  At the moment I have only the info mounting fdescfs to /dev/fd is useless,
>  eventually I can improve the check for FreeBSD8 (I'm still running 6.x/7.x in 
>  production and 8.x only for testing and porting).

The behaviour of fdescfs and devfs hasn't changed between 8.x and
earlier versions.  When mounted via devfs, /dev/fd/* will only supply
character special devices for descriptors 0, 1 and 2.  With fdescfs
mounted, you get character special devices for all file descriptors
opened by the process.  See:

http://lists.freebsd.org/pipermail/freebsd-fs/2006-August/002214.html

and the definition of fildesc_drvinit() at the end of
sys/kern/kern_descrip.c (which cvs blame says is unchanged since 2004).

This is not properly documented anywhere I can see.

Anyhow, if STD{IN,OUT,ERR} is sufficient for obspamd then the test in
the init script could be reduced to

    if [ -c /dev/fd/0 ] ; then

Otherwise, testing for fdescfs is correct.

	Cheers,

	Matthew

- -- 
Dr Matthew J Seaman MA, D.Phil.                   7 Priory Courtyard
                                                  Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey     Ramsgate
                                                  Kent, CT11 9PW
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