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From: Daniel Shahaf <d.s@daniel.shahaf.name>
To: Martijn Dekker <martijn@inlv.org>
Cc: zsh-workers@zsh.org
Subject: The bug from workers/44922 (was: Re: Bug with traps and exit
Date: Mon, 16 Dec 2019 05:27:13 +0000	[thread overview]
Message-ID: <20191216052713.zuhf22nqzgdjz4z4@tarpaulin.shahaf.local2> (raw)
In-Reply-To: <d950fdd8-9c44-b5a4-3b32-dee87dc443f4@inlv.org>

Good morning Martijn,

Martijn Dekker wrote on Sun, Nov 24, 2019 at 06:54:18 +0100:
> Op 22-01-19 om 00:00 schreef Martijn Dekker:
> > Found a strange issue with traps and 'exit'.
> > 
> > Test script:
> > 
> > trap 'printf $1; exit; printf $2' USR1
> > fn() {
> >          printf 1
> >          kill -s usr1 $$
> >          printf 2
> > }
> > printf 0
> > fn A B
> > printf 3
> > 
> > Every shell outputs 01A, except zsh, which outputs 01A2.
> > 
> > This means the execution of the fn() function is not interrupted. The
> > USR1 trap executes 'exit' and does not execute the rest of the trap
> > action, but instead of exiting the shell, zsh continues to execute fn()
> > and then exits.
> > 
> > Confirmed down to zsh 5.0.8 (didn't test earlier versions).
> 
> A related issue (possibly the same?) with a much simpler test case:
> 
> trap 'echo SIGINT; trap - INT; kill -s INT $$; echo woops' INT
> kill -s INT $$
> 
> zsh prints 'woops', but shouldn't.

As Peter observed in 45037, could you elaborate on why the inner 'kill' should
abort execution of the trap?

Cheers,

Daniel

  parent reply	other threads:[~2019-12-16  5:27 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-05  7:08 Test release: 5.6.2-test-3 dana
2019-01-05 17:49 ` Peter Stephenson
2019-01-05 18:42   ` dana
2019-01-05 20:58   ` Martijn Dekker
2019-01-05 21:55     ` Daniel Shahaf
2019-01-06  2:37 ` Axel Beckert
2019-01-06 15:12 ` Jun T.
2019-01-06 16:37   ` dana
2019-01-06 16:43     ` Daniel Shahaf
2019-01-06 16:56       ` dana
2019-01-06 21:34     ` Daniel Tameling
2019-01-07  3:25     ` Jun T
2019-01-07  7:02       ` dana
2019-01-21 12:54 ` ETA for zsh 5.7? (was: Test release: 5.6.2-test-3) Axel Beckert
2019-01-21 14:26   ` Peter Stephenson
2019-01-21 19:14     ` Mikael Magnusson
2019-01-21 19:32       ` Mikael Magnusson
2019-01-21 19:32       ` Mikael Magnusson
2019-01-21 21:56         ` Sebastian Gniazdowski
2019-01-22  9:29           ` Peter Stephenson
2019-01-21 23:00 ` Bug with traps and exit Martijn Dekker
2019-11-24  5:54   ` Martijn Dekker
2019-11-25 16:42     ` Sebastian Gniazdowski
2019-12-10 19:23     ` Martijn Dekker
2019-12-11  2:40       ` Daniel Shahaf
2019-12-12 10:14       ` Peter Stephenson
2019-12-13 14:26         ` Martijn Dekker
2019-12-13 14:49           ` Peter Stephenson
2019-12-14 11:28             ` Daniel Shahaf
2019-12-15 18:59               ` Peter Stephenson
2019-12-16  5:24                 ` Daniel Shahaf
2019-12-16  6:37                   ` Bart Schaefer
2019-12-17  7:31                     ` Daniel Shahaf
2019-12-17 20:29                       ` Peter Stephenson
2019-12-18  0:31                         ` Daniel Shahaf
2019-12-31  2:03                           ` Daniel Shahaf
2019-12-31 13:46                             ` Daniel Shahaf
2019-12-16 10:09                   ` Peter Stephenson
2019-12-16  5:27     ` Daniel Shahaf [this message]
2020-01-30 13:49       ` The bug from workers/44922 Martijn Dekker
2020-01-30 14:01     ` Bug with traps and exit Martijn Dekker
2020-01-31  4:29       ` Daniel Shahaf
2022-11-26  3:00       ` Bart Schaefer

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