[ruby-core:28243] Re: weird behaviour of readline on OSX 10.6

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On Feb 18, 2010, at 20:59 , Andrew Eberbach wrote:

> Hi
>=20
> I've been noticing that irb (and as a result script/console in rails)
> don't behave correctly with Control C. Nothing would happen when I hit
> control C until I hit enter or a few more keys and then it would clear
> the line and show a ^C and reset to the prompt. This doesn't happen on
> Linux and it didn't happen on 10.5
>=20
> If there's a long running process in irb hitting control c works as
> expected but not if it's just sitting at a prompt.
>=20
> I played around with the ext/readline.c and found that if I put a
>=20
> rl_catch_signals =3D 0;
>=20
> (see http://tiswww.case.edu/php/chet/readline/readline.html)
>=20
> in Init_readline()
>=20
> Then everything works as normal. Should this be added as a patch?
> Reading the readline docs it seems to me that what's happening is the
> internal readline handler gets stuck sending SIGINT back to the ruby
> process even though there's a trap("SIGINT") defined. Any ideas?
>=20
>=20
> Andrew
>=20

Can reproduce this both with 1.8.7 and 1.9.1 on 10.6 and with 1.8.7 on 10.5=
.
Good thing: You get used to it.

Konstantin
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