O_EXCL flag on open of character tty device.
Mike Wescott
wescott at sauron.Columbia.NCR.COM
Wed Nov 9 07:52:54 AEST 1988
In article <1464 at holos0.UUCP> fsg at holos0.UUCP (Frank Glass) writes:
>
> My understanding from the manuals is that the O_EXCL flag can
> be used to exclusively open a device.
Nope. The man page says:
O_EXCL If O_EXCL and O_CREAT are set, the function open will
fail if the file exists.
It does give you a chance to create a new file and know that you didn't clobber
anything.
--
-Mike Wescott
mike.wescott at ncrcae.Columbia.NCR.COM
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