Well dont know if this helps but I was playing with dovecot recently, and remember reading this:
# Locking method for index files. Alternatives are fcntl, flock and dotlock. # Dotlocking uses some tricks which may create more disk I/O than other locking # methods. NFS users: flock doesn't work, remember to change mmap_disable. #lock_method = fcntl On Thu, Aug 7, 2008 at 2:50 PM, Martin Langhoff <[EMAIL PROTECTED]> wrote: > Advanced bash/shell scripting question - I cannot seem to do the > correct incantation with /usr/bin/flock to make it work in a bash > block. Can any Master of the Bash give me a hint? > > In other words, I am trying to put into to use the example in man > flock, where it says:'second form is convenient inside shell scripts'. > > > # this does what I expect, and if I attempt > # to obtain a second lock it fails > $ flock -n /tmp/lockmyprecious sleep 60 > > # this does not seem to work > $ (flock -n 200; echo gotlock; sleep 60)200>/tmp/lockmyprecious > > There is a bash script where I want to wrap a lock around a large-ish > code block that I don't want to split off to a separate script. > > hints? > > > m > -- > [EMAIL PROTECTED] > [EMAIL PROTECTED] -- School Server Architect > - ask interesting questions > - don't get distracted with shiny stuff - working code first > - http://wiki.laptop.org/go/User:Martinlanghoff > _______________________________________________ > Devel mailing list > Devel@lists.laptop.org > http://lists.laptop.org/listinfo/devel > _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
