Re: PR/48351 CVS commit: src/usr.bin/flock

[Dennis Ferguson <dennis.c.ferguson%gmail.com@localhost>]

On 29 Oct, 2013, at 12:05 , Christos Zoulas <christos%netbsd.org@localhost> 
wrote:
> XXX: still flock -s 0 fails with EINVAL, why?

Does it stop if you do a flock -u 0 first?

I see code in the kernel to handle upgrading a lock from shared
to exclusive, but I don't see anything to deal with downgrading
from exclusive to shared (though I may be missing something).

Dennis Ferguson