No flock() in Windows!?
ben.hutchings at roundpoint.com
Mon May 7 21:30:24 EDT 2001
David LeBlanc <whisper at oz.nospamnet> writes:
> In article <7kzt29he.fsf at pobox.com>, jdf at pobox.com says...
> > I'm fairly new to Python, and have been enjoying it.
> > In rewriting an old Perl script into Python, I was staggered to
> > discover that there is simply no fcntl support at all on the Windows
> > platform. Such support is entirely platform-transparent in Perl, and
> > I don't know how to work without it!
> > How do you folks write cross-platform scripts that safely provide for
> > advisory locking?
> > I have searched the library docs and FAQ, I have searched the web and
> > the Google Usenet archive. If I missed something, pointers will be
> > gladly followed.
> Windows supports locking down to the byte level on files using the
> _locking() runtime library function.
That's a VC++ function, not a Windows function. The Win32 API has the
functions (Un)LockFile(Ex), which are available through the win32api
Any opinions expressed are my own and not necessarily those of Roundpoint.
More information about the Python-list