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From: Ihor Radchenko <yantar92@posteo.net>
To: Eli Zaretskii <eliz@gnu.org>
Cc: eller.helmut@gmail.com, gerd.moellmann@gmail.com,
	pipcet@protonmail.com, emacs-devel@gnu.org
Subject: Re: MPS: a random backtrace while toying with gdb
Date: Mon, 01 Jul 2024 18:01:49 +0000	[thread overview]
Message-ID: <87h6d97zzm.fsf@localhost> (raw)
In-Reply-To: <86le2ldn2t.fsf@gnu.org>

Eli Zaretskii <eliz@gnu.org> writes:

>> I am wondering what happens in the same situation when using normal
>> malloc. (Or may it never happen when using normal malloc?)
>
> You mean, when the current GC runs?

Nope. AFAIU, the problem we are facing is not when MPS GC runs, but when
we query MPS to allocate memory in the managed arena.

> If you really mean malloc, then there usually is not problem because
> signal handlers cannot safely call malloc.  And if malloc causes GC,
> see above.

I do not mean calling malloc. I mean, what happens if a signal arrives
_while_ malloc is still in the process of allocating data?

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>



  reply	other threads:[~2024-07-01 18:01 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-29 19:12 MPS: a random backtrace while toying with gdb Ihor Radchenko
2024-06-29 19:19 ` Pip Cet
2024-06-29 21:46   ` Gerd Möllmann
2024-06-30  4:55     ` Eli Zaretskii
2024-06-30  5:33       ` Gerd Möllmann
2024-06-30  6:16         ` Eli Zaretskii
2024-06-30  6:43           ` Gerd Möllmann
2024-06-30  8:52             ` Eli Zaretskii
2024-06-30  9:43               ` Gerd Möllmann
2024-06-30 10:05                 ` Eli Zaretskii
2024-06-30 11:20                   ` Gerd Möllmann
2024-06-30 12:16                     ` Eli Zaretskii
2024-06-30 12:43                       ` Gerd Möllmann
2024-06-30  9:36     ` Helmut Eller
2024-06-30 10:00       ` Eli Zaretskii
2024-06-30 10:24         ` Helmut Eller
2024-06-30 10:43           ` Eli Zaretskii
2024-06-30 18:42             ` Helmut Eller
2024-06-30 18:59               ` Gerd Möllmann
2024-06-30 19:25               ` Pip Cet
2024-06-30 19:49                 ` Ihor Radchenko
2024-06-30 20:09                 ` Eli Zaretskii
2024-06-30 20:32                   ` Pip Cet
2024-07-01 11:07                     ` Eli Zaretskii
2024-07-01 17:27                       ` Pip Cet
2024-07-01 17:42                         ` Ihor Radchenko
2024-07-01 18:08                         ` Eli Zaretskii
2024-07-02  7:55                           ` Pip Cet
2024-07-02 13:10                             ` Eli Zaretskii
2024-07-02 14:24                               ` Pip Cet
2024-07-02 14:57                                 ` Eli Zaretskii
2024-07-02 17:06                                   ` Pip Cet
2024-07-03 11:31                                     ` Pip Cet
2024-07-03 11:50                                       ` Eli Zaretskii
2024-07-03 14:35                                         ` Pip Cet
2024-07-03 15:41                                           ` Eli Zaretskii
2024-07-01  2:33                 ` Eli Zaretskii
2024-07-01  6:05                 ` Helmut Eller
2024-06-30 19:58               ` Eli Zaretskii
2024-06-30 21:08                 ` Ihor Radchenko
2024-07-01  2:35                   ` Eli Zaretskii
2024-07-01 11:13                   ` Eli Zaretskii
2024-07-01 11:47                     ` Ihor Radchenko
2024-07-01 12:33                       ` Eli Zaretskii
2024-07-01 17:17                         ` Ihor Radchenko
2024-07-01 17:44                           ` Eli Zaretskii
2024-07-01 18:01                             ` Ihor Radchenko [this message]
2024-07-01 18:16                               ` Eli Zaretskii
2024-07-01 18:24                                 ` Ihor Radchenko
2024-07-01 18:31                                   ` Eli Zaretskii
2024-07-01 18:51                                     ` Ihor Radchenko
2024-07-01 19:05                                       ` Eli Zaretskii
2024-07-01 19:34                                       ` Gerd Möllmann
2024-07-01 20:00                                         ` Ihor Radchenko
2024-07-02  4:33                                           ` Gerd Möllmann
2024-07-02  7:05                                             ` Ihor Radchenko
2024-07-02  7:06                                               ` Gerd Möllmann
2024-07-01 18:19                               ` Gerd Möllmann
2024-07-01 18:23                                 ` Eli Zaretskii
2024-06-30 11:07           ` Gerd Möllmann
2024-06-30 11:06         ` Gerd Möllmann
2024-06-30 11:05       ` Gerd Möllmann
2024-06-30  9:59     ` Pip Cet
2024-06-30 10:09       ` Eli Zaretskii
2024-06-30 10:16         ` Pip Cet
2024-06-30 10:34           ` Eli Zaretskii
2024-06-30 13:06             ` Pip Cet
2024-06-30 11:10       ` Gerd Möllmann

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