On Feb 25 16:18, Corinna Vinschen wrote: > On Feb 25 06:35, Eric Blake wrote: > > While you are at it, POSIX requires an update to underlying file's ctime > > sometime between mmap(... MAP_SHARED, PROT_WRITE ...) and the > > corresponding munmap() or msync() if the mapped region was written to. If > > Windows correctly updates mtime on a mapped file, then one possible way to > > do this might be: when munmap()ing, if mtime is newer than ctime (but less > > than or equal to now), adjust ctime to match mtime. > > Well... no, not now. [...]
I'm sorry, but it looks like that won't work at all. I've just tested how the filetime behaves when changing the mapped area of a file mapped MAP_SHARED. Windows does change the file, but it does not change mtime. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader mailto:cygwin@cygwin.com Red Hat, Inc. -- 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/
