Recent TTYDEF_LFLAG default change
phk at phk.freebsd.dk
Wed Nov 3 03:20:34 PST 2004
In message <20041103111813.GB13047 at nagual.pp.ru>, Andrey Chernov writes:
>On Wed, Nov 03, 2004 at 12:15:34PM +0100, Poul-Henning Kamp wrote:
>> Because if you open a serial port and it defaults to echo, you may end up in
>> an "echo-war" with the other end before you ever get a chance to call
>> ioctl and disable echoing.
>Well, use TTYDEF_LFLAG_NOECHO I suggest for that case and leave
>user-visible default untouched to not break userland programs.
How many pieces of software know about TTYDEF_* outside our sourcecode ?
Most of it would be bogus I think, software should record the current
state and restore that, not mangle it with defaults.
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
More information about the freebsd-current