Messages in this thread | | | Subject | Re: 2.6-test4 Traditional pty and devfs | From | Albert Cahalan <> | Date | 02 Sep 2003 22:52:47 -0400 |
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Christoph Hellwig writes: > On Tue, Sep 02, 2003 at 10:43:40AM -0700, Andrew Morton wrote:
>>> That's the magic use uid/gid of the process calling >>> devfs_Register flag I killed. With a big HEADSUP >>> and explanation on lkml.. >> >> So what is the impact here? That libc5 will break if >> the user is using devfs and old-style pty's? > > If he removed the pt_chown logic that is present with a > stock libc5, yes. I wouldn't know why someone would do > that, though.
The problem may be more serious. There are lots of apps that use the old-style PTYs w/o any libc help.
a. because that's the historic BSD way b. so the user can choose a specific pty
For example, there's a "remserial" program that abuses a PTY for giving access to a serial port over the network. Apps trying to use the port work pretty well, without any need for source code changes or new kernel drivers.
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