[Devel] Re: [PATCH 11/11][v3]: Enable multiple instances of devpts

[H. Peter Anvin]

sukadev at us.ibm.com wrote:
> 
> 	2. To effectively use the multi-instance mode, applications/libraries
> 	    should, open "/dev/pts/ptmx" instead of "/dev/ptmx" but obviously
> 	    this would fail in the legacy mode.
> 	

NOT SO!

/dev/ptmx is required by Unix98 (which is arguably obsolete, but still.) 
  Applications SHOULD NOT try to open /dev/pts/pmtx.  This should be 
considered strictly an internal implementation detail.

Applications should use posix_openpt(), openpty() or forkpty(); 
libraries should use /dev/ptmx.

	-hpa
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