Re: Overriding file lock for writing extended attributes

Kyle Sluder <[email protected]>
Newsgroups gmane.comp.macosx.devel
Message-ID <[email protected]> 
On Mon, Oct 26, 2009 at 2:24 AM, Christiaan Hofman <[email protected]> wrote:
> When I try to write extended attributes using setxattr() it fails with an
> EPERM POSIX error when the file is locked. Is there a way to override the
> lock and write extended attributes to locked files? For instance, when
> NSDocument saves to a locked file it will be able to write anyway, usually
> after asking the user using an alert. So how can I emulate this or EAs?

File locks are implemented with the uchng flag, not with xattrs.

--Kyle Sluder
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