Re: stale lock files

2006-09-25 Thread Wouter Verhelst
On Sat, Sep 23, 2006 at 06:56:03PM +0200, Josselin Mouette wrote: > Le samedi 23 septembre 2006 à 10:33 +0200, Goswin von Brederlow a > > What do you do on fuse, afs, coda, oracle fs, lustrefs? Do they all > > have fcntl? > > AFAIK, afs, fuse and ocfs2 have (although recently introduced) posix >

Re: stale lock files

2006-09-23 Thread Russ Allbery
Josselin Mouette <[EMAIL PROTECTED]> writes: > Le samedi 23 septembre 2006 à 10:33 +0200, Goswin von Brederlow a écrit : >> What do you do on fuse, afs, coda, oracle fs, lustrefs? Do they all >> have fcntl? > AFAIK, afs, fuse and ocfs2 have (although recently introduced) posix > locking support.

Re: stale lock files

2006-09-23 Thread Josselin Mouette
Le samedi 23 septembre 2006 à 10:33 +0200, Goswin von Brederlow a écrit : > > Of course, but you get that extra feature "for free". Why would that > > be a be something to avoid? > > Because NFS isn't everything. > > What do you do on fuse, afs, coda, oracle fs, lustrefs? Do they all > have fcnt

Re: stale lock files

2006-09-23 Thread Goswin von Brederlow
Roger Leigh <[EMAIL PROTECTED]> writes: > Goswin von Brederlow <[EMAIL PROTECTED]> writes: > >> Roger Leigh <[EMAIL PROTECTED]> writes: >> >>> Goswin von Brederlow <[EMAIL PROTECTED]> writes: >>> Write the pid and host to the lock file. When you detect a lock and the lock is on the local

Re: stale lock files

2006-09-20 Thread Roger Leigh
Goswin von Brederlow <[EMAIL PROTECTED]> writes: > Roger Leigh <[EMAIL PROTECTED]> writes: > >> Goswin von Brederlow <[EMAIL PROTECTED]> writes: >> >>> Write the pid and host to the lock file. When you detect a lock and >>> the lock is on the local host then check the pid is still valid. If >>> no

Re: stale lock files

2006-09-20 Thread Goswin von Brederlow
Roger Leigh <[EMAIL PROTECTED]> writes: > Goswin von Brederlow <[EMAIL PROTECTED]> writes: > >> Write the pid and host to the lock file. When you detect a lock and >> the lock is on the local host then check the pid is still valid. If >> not the lock is stale. If the lock is from a remote host the

Re: stale lock files

2006-09-14 Thread Roger Leigh
Goswin von Brederlow <[EMAIL PROTECTED]> writes: > Write the pid and host to the lock file. When you detect a lock and > the lock is on the local host then check the pid is still valid. If > not the lock is stale. If the lock is from a remote host there is > little you can do but ask. Why not use

Re: stale lock files

2006-09-14 Thread Goswin von Brederlow
Brian May <[EMAIL PROTECTED]> writes: > Hello, > > I have noticed GUI programs tend to be very inconsistent in behaviour > if I accidently kill them (e.g. by shutting down the X server) or > abort them (e.g. power failure). > > For example: > > gnucash (not tested newest version): > > * displays a

Re: stale lock files

2006-09-13 Thread Frederic Peters
Brian May wrote: > * liferea: displays an error and terminates; the lock file must be > manually deleted. For the record, Lars Lindner (author of liferea) recently wrote: But for v1.1 I rewrote the code to use libbacon (which GUniqueApp also uses, there was a thread on this list some weeks a