tags 360243 fixed-upstream thanks > Von: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
> /usr/share/man/man2/open.2.gz has (under O_NONBLOCK): > "This mode need not have any effect on files other than FIFOs." > > I'm almost sure that statement is false. > O_NONBLOCK prevents blocking on any filehandle (files, sockets, fifos, > devices, ...). Hello Roberto, Justin is on the right track in mentioning the "standard" behavior of O_NONBLOCK. And you haven't got things quite right -- for example, O_NONBLOCK can't be used for open() with sockets, because we can't open() a socket, and O_NONBLOCK has no meaning for regular files (it is just silently ignored). But I agree that the man page is a bit misleading. One might get the impression that, for example, O_NONBLOCK can't be used for sockets, although we can enable O_NONBLOCK on a socket using fcntl(). And O_NONBLOCK does have meaning for some devices, and sometimes has an effect for regular files. I have made the following changes: * Removed that sentence from open.2 ;-). * Added a sentence noting that the effect of O_NONBLOCK for file locks and leases is described in fcntl.2. * Somewhat expanded the discussion of mandatory locking in fcntl.2. The changes will appear in upstream 2.29. Thanks for your report. Cheers, Michael -- Michael Kerrisk maintainer of Linux man pages Sections 2, 3, 4, 5, and 7 Want to help with man page maintenance? Grab the latest tarball at ftp://ftp.win.tue.nl/pub/linux-local/manpages/, read the HOWTOHELP file and grep the source files for 'FIXME'. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
