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SubjectRe: PATCH: Unix98 pty support.
DateWed, 21 Jan 1998 17:51:06 +0000 (/etc/localtime)
FromMatti Aarnio <>
> Attached is the latest version of my pty patch for linux kernel
> 2.1.{78,79,80}.
...
> No additional functionality is needed to implement Unix98 ptys in
> the linux kernel. Work is progressing on integrating this support into
> glibc. The device number {5,2} has been allocated by the linux device
> list maintainer for /dev/ptmx.

A reservation on usage of "/dev/ptmx" named object...

I recall having heard Alan Cox to say NAY on this before on
basis of this easily breaking iBCS -- Running SCO binaries
on top of iBCS detects /dev/ptmx NAME, and then the libc stuff
statically linked into those binaries ASSUMES existence of
STREAMS in the system. (Need I continue ? Naeh, ask Alan..)

If you could make provisions to have different name for the
PTY-MUX device, all will be well. (But that is in fact user-
space libc issue, not about this facility per se.)

I just hope the Unix98 does not contain STREAMS in it..

> --Scott
> C. Scott Ananian: cananian@lcs.mit.edu / Declare the Truth boldly and

/Matti Aarnio <matti.aarnio@tele.fi>

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