On 2008-01-27 14:20:26 +0000, Hendrik Boom wrote: > On Tue, 15 Jan 2008 10:33:49 +0100, Vincent Lefevre wrote: > > I also use symlink locking, which is also NFS safe, mainly in my shell > > scripts, because this is quite easy in this context. And one can put > > interesting information in the symlink contents (the symlink doesn't > > have to point to a real file). See what Firefox does for instance (the > > lock is in the profile). > > What is symlink locking?
symlink is an atomic operation (even under NFS), and if a symlink of the same name already exists, the system call fails. As a consequence, it can be used for locking. > If firefox uses it that probably accounts for the weird links I see > around now and then. It does seem to unlock upon killall, too. > Betcha it won't work in Windows :-) IIRC, it is supported by Windows under some conditions. You can read the whole discussion about this choice here: https://bugzilla.mozilla.org/show_bug.cgi?id=76431 -- Vincent Lefèvre <[EMAIL PROTECTED]> - Web: <http://www.vinc17.org/> 100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/> Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon) -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
