From: Peter Stephenson <p.w.stephenson@ntlworld.com>
To: zsh-workers@zsh.org
Subject: Re: [BUG] ignored trap and subshell
Date: Wed, 25 Aug 2021 11:10:54 +0100 (BST) [thread overview]
Message-ID: <1698549386.1139709.1629886255005@mail2.virginmedia.com> (raw)
In-Reply-To: <20210824162330.GA3017045@cventin.lip.ens-lyon.fr>
> On 24 August 2021 at 17:23 Vincent Lefevre <vincent@vinc17.net> wrote:
> The zshmisc(1) man page says:
>
> ( list )
> Execute list in a subshell. Traps set by the trap builtin are
> reset to their default values while executing list.
>
> However, with "emulate sh", ignored traps should still be ignored
> in the subshell according to POSIX, and zsh 5.8 fails do conform:
I think this is straightforward. POSIXTRAPS is clearly the option for the job.
pws
diff --git a/Src/exec.c b/Src/exec.c
index 49ff88b80..79d8064b6 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -1033,7 +1033,8 @@ entersubsh(int flags, struct entersubsh_ret *retp)
if (!(flags & ESUB_KEEPTRAP))
for (sig = 0; sig < SIGCOUNT; sig++)
- if (!(sigtrapped[sig] & ZSIG_FUNC))
+ if (!(sigtrapped[sig] & ZSIG_FUNC) &&
+ !(isset(POSIXTRAPS) && (sigtrapped[sig] & ZSIG_IGNORED)))
unsettrap(sig);
monitor = isset(MONITOR);
job_control_ok = monitor && (flags & ESUB_JOB_CONTROL) && isset(POSIXJOBS);
next prev parent reply other threads:[~2021-08-25 10:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-24 16:23 Vincent Lefevre
2021-08-24 17:29 ` Bart Schaefer
2021-08-24 17:33 ` Bart Schaefer
2021-08-25 10:10 ` Peter Stephenson [this message]
2021-08-25 10:47 ` Peter Stephenson
2021-08-25 16:07 ` Bart Schaefer
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