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From: Eli Zaretskii <eliz@gnu.org>
To: Pedro Alves <palves@redhat.com>
Cc: patrick@parcs.ath.cx, gdb-patches@sourceware.org
Subject: Re: [PATCH] Append to input history file instead of overwriting it
Date: Wed, 10 Dec 2014 17:17:00 -0000	[thread overview]
Message-ID: <83a92vv37l.fsf@gnu.org> (raw)
In-Reply-To: <54887AB5.3000101@redhat.com>

> Date: Wed, 10 Dec 2014 16:54:13 +0000
> From: Pedro Alves <palves@redhat.com>
> CC: gdb-patches@sourceware.org
> 
> Is it that hard to do though?  How about temporarily renaming the
> history file to something that includes gdb's PID (and would not a
> file name a user would use in practice) while we append
> to it, and then (atomically) rename it back?  Something like:
> 
>  #1 - move $HISTFILE -> $HISTFILE-gdb$PID~
>  #2 - write/append history to $HISTFILE-gdb$PID~
>  #3 - move $HISTFILE-gdb$PID~ -> $HISTFILE

You cannot portably rename a file someone writes to, unless you are
willing to limit this to Posix filesystems.


  reply	other threads:[~2014-12-10 17:17 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-29  2:01 Patrick Palka
2014-12-01 20:50 ` Sergio Durigan Junior
2014-12-04 16:18 ` Pedro Alves
2014-12-05  0:19   ` Patrick Palka
2014-12-05 10:45     ` Pedro Alves
2014-12-05 14:11       ` Patrick Palka
2014-12-10 16:54         ` Pedro Alves
2014-12-10 17:17           ` Eli Zaretskii [this message]
2014-12-10 17:23             ` Pedro Alves
2015-01-10 14:10           ` Patrick Palka
2015-01-10 15:16             ` Patrick Palka
2015-01-10 15:18               ` Patrick Palka
2015-01-10 15:39                 ` Eli Zaretskii
2015-01-10 15:48                   ` Patrick Palka
2015-01-10 16:03                     ` Eli Zaretskii
2015-01-10 16:18                       ` Patrick Palka
2015-01-10 16:41                         ` Eli Zaretskii
2015-01-10 18:17                           ` Patrick Palka
2015-01-10 18:46                             ` Patrick Palka
2015-01-12 19:05                               ` Pedro Alves
2015-01-12 22:56                                 ` Patrick Palka

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