On Thu, Feb 17, 2005 at 10:20:58PM -0800, Michele Simionato wrote: > Ok, I have yet another question: what is the difference > between fcntl.lockf and fcntl.flock? The man page of > my Linux system says that flock is implemented independently > of fcntl, however it does not say if I should use it in preference > over fcntl or not.
it depends on what you want to do: as the manpages say, flock is present on most Unices, but lockf is POSIX; flock is BSD, lockf is SYSV (although its in XPG4.2, so you have it on newer Unices of any flavor); on Linux, lockf works over NFS (if the server supports it), and gives you access to mandatory locking if you want it. You can't mix lockf and flock (by this I mean: you can get a LOCK_EX via flock and via lockf on the same file at the same time). So: use whichever you feel more comfortable with, although if you are pretty confident your program will run mostly on Linux there is a bias towards lockf given its extra capabilities there. -- John Lenton ([EMAIL PROTECTED]) -- Random fortune: กก QQuuiittaa eell LLooccaall EEcchhoo,, MMaannoolloo !!
signature.asc
Description: Digital signature
-- http://mail.python.org/mailman/listinfo/python-list
