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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
To: Eli Zaretskii <eliz@gnu.org>
Cc: xdje42@gmail.com,  gdb-patches@sourceware.org,  guile-devel@gnu.org
Subject: Re: [PATCH v2] Improved ^c support for gdb/guile
References: <wrbvbwejihe.fsf@sspiff.org> <wrbr471jxjg.fsf@sspiff.org>	<834n3x8o7m.fsf@gnu.org>	<CAP9bCMSE+vNpG2nJNKNQk3QfQHV=cqRdEGmv7T3eEcgQ0cTyFQ@mail.gmail.com>	<83y519788a.fsf@gnu.org>	<CAP9bCMQiZurfMyU-qA9LEy_6_BOyRE1-dke93_m505EHuNZrAA@mail.gmail.com>	<871tz0d5vc.fsf@gnu.org> <83iosc76kz.fsf@gnu.org>	<87txbw9xp4.fsf@gnu.org> <83a9do741d.fsf@gnu.org>
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Date: Tue, 18 Feb 2014 17:46:00 -0000
In-Reply-To: <83a9do741d.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 18 Feb	2014 18:56:46 +0200")
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Eli Zaretskii <eliz@gnu.org> skribis:

>> From: ludo@gnu.org (Ludovic Court=C3=A8s)
>> Cc: xdje42@gmail.com,  gdb-patches@sourceware.org,  guile-devel@gnu.org
>> Date: Tue, 18 Feb 2014 17:45:27 +0100

[...]

>> >> The non-pthread code is used when Guile is built without pthread
>> >> support.  In that case, the async is queued directly from the signal
>> >> handler.
>> >
>> > So why cannot this code be used by GDB?
>>=20
>> Because GDB uses whichever Guile is available.  If the user has Guile
>> built with pthread support, then that=E2=80=99s what GDB uses.
>
> Sorry, I meant why that code couldn't be used when Guile was built
> without pthreads.

Because with the patch Doug posted, both the SIGINT thread and GDB=E2=80=99s
main thread would call libguile.

A different strategy would need to be used when Guile lacks pthread
support.

Ludo=E2=80=99.