From: Bart Schaefer <schaefer@brasslantern.com>
To: Cedric Ware <cedric.ware__bml@normalesup.org>
Cc: "zsh-workers@zsh.org" <zsh-workers@zsh.org>
Subject: Re: [PATCH] Enable sub-second timeout in zsystem flock
Date: Mon, 29 Jul 2019 15:25:17 -0700 [thread overview]
Message-ID: <CAH+w=7brN4fjpbiwU2CGOdRG4sHXNijYf5v4Qzypa9mk5WaQtA@mail.gmail.com> (raw)
In-Reply-To: <20190729203521.upp5ku3bsr3hsnxq@phare.normalesup.org>
On Mon, Jul 29, 2019 at 1:36 PM Cedric Ware
<cedric.ware__bml@normalesup.org> wrote:
>
> The attached patch (against zsh 5.7.1) modifies the bin_zsystem_flock()
In future, please either inline patches or attach them as text/plain
(e.g. with a ".txt" extension instead of ".patch"). Thanks!
> I kept the same function's logic of periodically retrying to acquire
> the lock in non-blocking mode. However, there may be a better way to
> implement this timeout: set a timer such as setitimer(2) which sends
> a SIGALRM on timeout
Unfortunately that technique can't be used because ALRM is a signal
that the user is allowed to trap via the "trap" command or TRAPALRM
function, and which is controlled by the TMOUT variable which is also
user settable.
next prev parent reply other threads:[~2019-07-29 22:26 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-29 20:35 Cedric Ware
2019-07-29 22:25 ` Bart Schaefer [this message]
2020-01-04 18:47 ` Cedric Ware
2020-01-05 18:42 ` dana
2020-01-05 21:49 ` dana
2020-01-06 17:30 ` Cedric Ware
2020-01-06 17:36 ` Peter Stephenson
2020-01-07 3:48 ` dana
2020-01-11 15:41 ` Cedric Ware
2020-01-11 19:36 ` dana
2020-01-12 4:25 ` dana
2020-03-08 18:39 ` Cedric Ware
2020-03-12 18:46 ` dana
2020-03-12 19:13 ` dana
2020-03-14 21:04 ` Cedric Ware
2020-03-15 0:50 ` Daniel Shahaf
2020-03-15 1:04 ` dana
2020-03-15 16:03 ` Cedric Ware
2020-03-15 16:54 ` Daniel Shahaf
2020-03-15 17:35 ` Peter Stephenson
2020-03-15 18:36 ` Cedric Ware
2020-03-15 19:13 ` Daniel Shahaf
2020-04-13 21:34 ` Cedric Ware
2020-04-14 11:47 ` Daniel Shahaf
2020-04-14 20:21 ` Cedric Ware
2020-04-15 1:15 ` Daniel Shahaf
2020-04-15 2:05 ` dana
2020-04-16 4:24 ` Daniel Shahaf
2020-04-18 16:32 ` Cedric Ware
2020-04-20 17:28 ` dana
2020-04-20 22:17 ` Cedric Ware
2020-03-15 1:04 ` Daniel Shahaf
2020-03-13 14:26 ` dana
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