I wrote: > > > I find it very unlikely that you would "during normal operations" end up > > > in a situation where you would first have permissions to create files in > > > a directory, and then lose them. > > > What could be is that you have a directory where you never had > > > permissions to create the file in the first place. > > > > > Any chance to differentiate between these? > > > > The cases we're concerned about involve access to an existing file, not > > attempts to create a new one, so I'm not clear what your point is. > > I am wondering if we can delete the file by opening it with > FILE_FLAG_DELETE_ON_CLOSE, and immediately close it again. > The semantics should be clear if we let the OS delete the > file after the last handle on it is closed ? > Until all handles are closed another process can still open it with > FILE_SHARE_DELETE (according to docs), but not without the flag.
Say the docs, but win2000 gives EACCES :-( > This seems to be what we want. > http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/ fs/createfile.asp Seems we don't get what we want :-( > If this fails (see the loop in dirmod.c) we could try to move it to > the recycle bin with SHFileOperation with FO_DELETE. This does not seem to work eighter. Andreas ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match