Date: Sun, 2 Nov 1997 01:42:38 -0800 From: John-Mark Gurney <gurney_j@efn.org> To: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: portal pid not correct... Message-ID: <19971102014238.14394@hydrogen.nike.efn.org>
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well.. I was looking at the diffent fs's supported (and using kld to
load 'em)... and noticed something strange...
note,ttyp0,/dev,666#df -k
Filesystem 1K-blocks Used Avail Capacity Mounted on
/dev/wd0a 127151 111657 5322 95% /
/dev/wd0s2 170264 163352 6912 96% /msdos
procfs 4 4 0 100% /proc
hydrogen:/a 1803463 1350919 308267 81% /a
hydrogen:/b 1748071 1498998 109228 93% /b
kernfs 1 1 0 100% /kern
portal:4254 1 1 0 100% /mnt
then a search for procid 4254:
note,ttyp0,/dev,667#ps lax | grep 4254
note,ttyp0,/dev,668#
now a search for a portal process:
note,ttyp0,/dev,668#ps lax | grep portal
0 4255 1 0 2 0 416 212 select Is ?? 0:00.01 portal /tmp/
I took a look at the code.. and basicly it doesn't become a daemon before
tring to mount the fs... and this is understandable else you can't return
a failed mount...
now as I see this, there are a couple ways to fix this...
a) just become a daemon and then mount, this isn't very attrative
as the error doesn't get reported
b) do something were it will fork off the child, child will
immediately SIGSTOP itself, then parent will mount, and then
parent will SIGCONT the process for normal execution, or kill
it off if the mount failed.
c) insert your idea hear
comments? ideas?
--
John-Mark Gurney Modem/FAX: +1 541 683 6954
Cu Networking
Live in Peace, destroy Micro$oft, support free software, run FreeBSD
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