On Nov 2 17:42, Rob Bosch wrote: > I found on MSDN that Windows has the capfilealloc function in all Windows OS > versions. This function was designed to create a preallocated capture file > of a specified size. It seems like this would accomplish what cygwin needs > with the posix_fallocate function?
Not at all. Did you *read* what this method is about? > -----Original Message----- > From: Rob Bosch [mailto:[EMAIL PROTECTED] Even though this is your own mail address, please: http://cygwin.com/acronyms/#PCYMTNQREAIYR http://cygwin.com/acronyms/#TOFU > When my compiled version of rsync is using the posix_fallocate function Im > getting significant CPU usage. [...] > getting 20%-25% CPU utilization during the posix_fallocate call. [...] > It also takes 20 minutes for the file to be created using this call. I can't reproduce this behaviour. I created a 40 Gigs file (haven't 77 Gigs left) on my XP box using the posix_fallocate function (which, btw., is basically just a single native NT call under the hood) and it takes roughly a few milliseconds. Did you look for http://cygwin.com/acronyms/#BLODA ? http://cygwin.com/ml/cygwin-talk/2007-q4/msg00026.html Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
