From: Paul Eggert <eggert@cs.ucla.edu>
To: Eli Zaretskii <eliz@gnu.org>
Cc: lekktu@gmail.com, rms@gnu.org, 12450@debbugs.gnu.org
Subject: bug#12450: Remove configure's --without-sync-input option.
Date: Sun, 16 Sep 2012 01:17:33 -0700 [thread overview]
Message-ID: <50558B1D.3010304@cs.ucla.edu> (raw)
In-Reply-To: <83boh6s87w.fsf@gnu.org>
On 09/16/2012 01:05 AM, Eli Zaretskii wrote:
>> No, it is not used indirectly. emacs_blocked_malloc is the only
>> function that uses malloc_hysteresis to set __malloc_extra_blocks.
>> And emacs_blocked_malloc is invoked only in the non-SYNC_INPUT code.
>
> Which means that gmalloc.c, and any memory allocation based on that,
> will work differently with that function removed
No, because the function is never invoked, if we assume SYNC_INPUT.
Since it's never invoked, gmalloc.c's behavior cannot possibly change
if we remove it.
> Perhaps you don't care about platforms that use gmalloc.
No, the argument is independent of whether the platform uses gmalloc.
The point is that we can remove code that's never invoked,
and we can remove all variables that are used only by that code.
next prev parent reply other threads:[~2012-09-16 8:17 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-15 7:54 bug#12450: Remove configure's --without-sync-input option Paul Eggert
2012-09-15 9:32 ` Eli Zaretskii
2012-09-15 10:14 ` Paul Eggert
2012-09-15 11:03 ` Eli Zaretskii
2012-09-15 19:59 ` Paul Eggert
2012-09-15 20:15 ` Eli Zaretskii
2012-09-15 20:31 ` Paul Eggert
2012-09-16 6:33 ` Eli Zaretskii
2012-09-16 7:47 ` Paul Eggert
2012-09-16 8:05 ` Eli Zaretskii
2012-09-16 8:17 ` Paul Eggert [this message]
2012-09-16 8:21 ` Eli Zaretskii
2012-09-16 8:24 ` Eli Zaretskii
2012-09-16 8:34 ` Paul Eggert
2012-09-16 8:53 ` Eli Zaretskii
2012-09-15 21:12 ` Stefan Monnier
2012-09-16 5:55 ` Eli Zaretskii
2012-09-16 14:58 ` Stefan Monnier
2012-09-16 15:45 ` Eli Zaretskii
2012-09-16 16:30 ` Paul Eggert
2012-09-16 18:40 ` Eli Zaretskii
2012-09-16 19:55 ` Jan Djärv
2012-09-16 18:37 ` Stefan Monnier
2012-09-16 9:33 ` Daniel Colascione
2012-09-16 10:43 ` Eli Zaretskii
2012-09-16 15:10 ` Stefan Monnier
2012-09-16 15:40 ` Eli Zaretskii
2012-09-15 22:18 ` Richard Stallman
2012-09-16 3:15 ` Paul Eggert
2012-09-16 6:10 ` Eli Zaretskii
2012-09-16 8:23 ` Paul Eggert
2012-09-16 8:32 ` Eli Zaretskii
2012-09-16 21:48 ` Paul Eggert
2012-09-17 7:42 ` Eli Zaretskii
2012-09-21 20:50 ` Paul Eggert
2012-09-22 9:03 ` Eli Zaretskii
2012-09-22 9:34 ` Paul Eggert
2012-09-22 9:50 ` Eli Zaretskii
2012-09-22 10:01 ` Paul Eggert
2012-09-16 9:52 ` Daniel Colascione
2012-09-16 10:44 ` Eli Zaretskii
2012-09-16 10:56 ` Daniel Colascione
2012-09-17 7:41 ` Eli Zaretskii
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