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From: Andrea Corallo via "Emacs development discussions." <emacs-devel@gnu.org>
To: Andrea Corallo via "Emacs development discussions."
	<emacs-devel@gnu.org>
Cc: Stefan Monnier <monnier@iro.umontreal.ca>,
	Eli Zaretskii <eliz@gnu.org>, Paul Eggert <eggert@cs.ucla.edu>
Subject: Re: Native compilation: the bird-eye view
Date: Wed, 19 Aug 2020 15:01:22 +0000	[thread overview]
Message-ID: <xjfmu2q7k8t.fsf@sdf.org> (raw)
In-Reply-To: <xjf1rk8b2rs.fsf@sdf.org> (Andrea Corallo via's message of "Sat,  15 Aug 2020 10:51:35 +0000")

Hi all,

debugging I discovered that on my system 'dlopen' can return the same
handle if two different shared with the same filename are loaded in two
different times (even if the first was deleted).  To prevent this
condition I added to the hashing algorithm that create the eln filename
the last modification time of the source being compiled.

This works but implies that once a source file is modified we have no
more possibility to remove the old eln in the eln-cache dir because we
loose its exact name.

I'm not sure this is a requirement as the eln-cache folders (except the
sys one) can even be deleted in every moment as the regenerate as
necessary, but in case is a requirement we'll have to come-up with a
different solution.

Thanks

  Andrea

--
akrl@sdf.org



  parent reply	other threads:[~2020-08-19 15:01 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-16 11:51 Native compilation: the bird-eye view Eli Zaretskii
2020-05-16 12:58 ` Andrea Corallo
2020-05-16 15:57   ` Paul Eggert
2020-05-16 16:26   ` Eli Zaretskii
2020-05-16 17:03     ` Andrea Corallo
2020-05-16 17:35       ` Eli Zaretskii
2020-05-16 17:44         ` Andrea Corallo
2020-05-16 17:50           ` Eli Zaretskii
2020-05-16 18:26             ` Andrea Corallo
2020-05-16 18:32               ` Eli Zaretskii
2020-05-16 18:41                 ` Andrea Corallo
2020-05-18 14:27                   ` Andrea Corallo
2020-05-19  5:08                     ` ASSI
2020-05-19 16:25                     ` Andrea Corallo
2020-05-19 16:37                       ` Stefan Kangas
2020-05-19 19:16                         ` Andrea Corallo
2020-05-29 17:25                       ` Andrea Corallo
2020-06-02 15:16                       ` Stefan Monnier
2020-06-03 14:23                         ` Andrea Corallo
2020-06-03 14:38                           ` Stefan Monnier
2020-08-10  9:23                             ` Andrea Corallo via Emacs development discussions.
2020-08-10 12:20                               ` Stefan Monnier
2020-08-10 21:34                                 ` Andrea Corallo via Emacs development discussions.
2020-08-15 10:51                                   ` Andrea Corallo via Emacs development discussions.
2020-08-15 15:00                                     ` Eli Zaretskii
2020-08-19 15:01                                     ` Andrea Corallo via Emacs development discussions. [this message]
2020-08-20  0:53                                       ` tumashu
2020-08-20  8:11                                         ` Andrea Corallo via Emacs development discussions.
2020-08-23 12:19                                       ` Andrea Corallo via Emacs development discussions.
2020-08-23 15:37                                         ` Stefan Monnier
2020-08-23 16:31                                           ` Andrea Corallo via Emacs development discussions.
2020-08-23 18:20                                             ` Stefan Monnier
2020-08-24  8:03                                               ` Andrea Corallo via Emacs development discussions.
2020-08-24 13:31                                                 ` Stefan Monnier
2020-08-24 14:09                                                   ` Andrea Corallo via Emacs development discussions.
2020-08-30 10:18                                             ` Path for system-wide .eln files (was: Native compilation: the bird-eye view) Ulrich Mueller
2020-08-30 20:50                                               ` Path for system-wide .eln files Andrea Corallo via Emacs development discussions.
2020-08-30 21:51                                                 ` Stefan Monnier
2020-08-31 19:13                                                   ` Andrea Corallo via Emacs development discussions.
2020-08-31 21:16                                                     ` Ulrich Mueller
2020-09-01  4:28                                                       ` Yuri Khan
2020-09-01  7:16                                                         ` Ulrich Mueller
2020-09-01  8:46                                                           ` tomas
2020-09-04 17:55                                                           ` Andrea Corallo via Emacs development discussions.
2020-09-04 18:25                                                             ` Ulrich Mueller
2020-09-04 19:47                                                               ` Andrea Corallo via Emacs development discussions.
2020-09-04 20:01                                                                 ` Ulrich Mueller
2020-09-04 21:42                                                                   ` Stefan Monnier
2020-09-04 22:59                                                                     ` Ulrich Mueller
2020-09-05  2:58                                                                       ` Stefan Monnier
2020-09-05  7:10                                                                         ` Ulrich Mueller
2020-09-06  6:24                                                                           ` Andrea Corallo via Emacs development discussions.
2020-09-05  7:48                                                                     ` Alfred M. Szmidt
2020-05-16 19:11               ` Native compilation: the bird-eye view Yuan Fu
2020-05-17  4:04                 ` Ihor Radchenko
2020-05-17 11:18                 ` Arthur Miller
2020-05-16 22:09               ` John Wiegley
2020-05-17  4:11     ` Ihor Radchenko
2020-05-17  7:43       ` Andrea Corallo

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