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From: Herbert Xu <herbert@gondor.apana.org.au>
To: Johannes Altmanninger <aclopte@gmail.com>
Cc: Jilles Tjoelker <jilles@stack.nl>,
	harald@gigawatt.nl, dash@vger.kernel.org
Subject: Re: [PATCH v3] Allow trap to un-ignore SIGINT/SIGQUIT in async subshells
Date: Sun, 7 Apr 2024 19:18:52 +0800	[thread overview]
Message-ID: <ZhKBHMHJRJdTdsVP@gondor.apana.org.au> (raw)
In-Reply-To: <20240329153905.154792-2-aclopte@gmail.com>

On Fri, Mar 29, 2024 at 04:39:01PM +0100, Johannes Altmanninger wrote:
>
> diff --git a/src/trap.c b/src/trap.c
> index cd84814..dbf81ea 100644
> --- a/src/trap.c
> +++ b/src/trap.c
> @@ -272,7 +272,7 @@ ignoresig(int signo)
>  		signal(signo, SIG_IGN);
>  	}
>  	if (!vforked)
> -		sigmode[signo - 1] = S_HARD_IGN;
> +		sigmode[signo - 1] = S_IGN;

This is buggy if sigmode is already S_HARD_IGN.  You can fix
this by moving the if statement inside the previous one.

Please also add a comment stating that sigmode has already been
initialised by setinteractive, as otherwise we may also lose a
hard ignore.

Thanks,
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

  reply	other threads:[~2024-04-07 11:18 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-08 11:01 [RFC PATCH] Allow trap to override permanently-ignored signals in background shells Johannes Altmanninger
2024-03-08 11:48 ` Harald van Dijk
2024-03-29 11:24   ` [PATCH v2] Allow trap to un-ignore SIGINT in asynchronous subshells Johannes Altmanninger
2024-03-29 13:50     ` Jilles Tjoelker
2024-03-29 15:02       ` Johannes Altmanninger
2024-03-29 15:39         ` [PATCH v3] Allow trap to un-ignore SIGINT/SIGQUIT in async subshells Johannes Altmanninger
2024-04-07 11:18           ` Herbert Xu [this message]
2024-05-18  8:38             ` [PATCH v4] " Johannes Altmanninger
2024-05-26 10:27               ` Herbert Xu
2024-05-18  8:43             ` [PATCH v3] " Johannes Altmanninger
2024-05-18  9:02               ` Herbert Xu

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