From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 853F7427FBB for ; Tue, 14 Jul 2026 20:16:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784060213; cv=none; b=ozN370GCS230m94wLbHsBT4bGyy46vD9bpZZinPo119dwlpYUiricsj7hC9y0JKjMyAoLdbxLFibbzMeOr3zxHqH/Y8RPCZjggnvBZC9Guo5HjQ90k0ewLP5rqMhAockK6IMmCDcUxUlk2p5Ea0B7INi2XdPKgpUBxcLyc8mRBs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784060213; c=relaxed/simple; bh=0B+CNtFVh41mP6YWQ+6FCTLUEcMiZCJqdHGRhkQ18K4=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=UNOXaDfwdIrM5f8DN8KfCO7p0g8XfIP3Qcrrb3seshV+XlcS3IsB2OkjtIbQwhaLwtOM7p3SJttrGENcRdqmOux1il/Rs5Mwc7luCsKolIuZ4sn0NvyTTuNIZ2DMnf/nkA9azCu9O3AC/w0cSvIVH9AKKVgKaCwBZj88rc7bmIo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=fzg5QE6a; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="fzg5QE6a" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1784060211; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=bDfskKIYBGqbBXwwURRHLzsj/u7NOV33jZuIR37VE7s=; b=fzg5QE6aYaTa1oJdm37I8/nEIpFjqPkFlQlFbxD4of+N81C4reMD49v2g4eUGD8vog2DAe KwhNmad2cz+WLxoWuxS7wIKjgSGSx+rwNgo2GvNtF6DN281A3zq9I4O4uNZUZKXrKtCAsc NIvGLnRdh9dZKki9xAigrlpSl0luYjs= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-230-0GR0-W36Niev1Orhs0eUtQ-1; Tue, 14 Jul 2026 16:16:47 -0400 X-MC-Unique: 0GR0-W36Niev1Orhs0eUtQ-1 X-Mimecast-MFC-AGG-ID: 0GR0-W36Niev1Orhs0eUtQ_1784060206 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 818A81956059; Tue, 14 Jul 2026 20:16:46 +0000 (UTC) Received: from fweimer-oldenburg.csb.redhat.com (unknown [10.44.48.39]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 848271956086; Tue, 14 Jul 2026 20:16:45 +0000 (UTC) From: Florian Weimer To: "Paul E. McKenney" Cc: linux-toolchains@vger.kernel.org Subject: Re: Fw: [isocpp-parallel] WG14 n3917 - Program termination in the presence of multiple threads In-Reply-To: <3dd4c609-b7db-4769-a3d0-1bbdff088bc0@paulmck-laptop> (Paul E. McKenney's message of "Tue, 14 Jul 2026 10:58:59 -0700") References: <3dd4c609-b7db-4769-a3d0-1bbdff088bc0@paulmck-laptop> Date: Tue, 14 Jul 2026 22:16:27 +0200 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: linux-toolchains@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 3oemfc9dvw7jDdrXv2fJXfvvu70MtkF6DhqYw_Sy0e8_1784060206 X-Mimecast-Originator: redhat.com Content-Type: text/plain * Paul E. McKenney: > Just FYI. Unless I am missing something, this would not affect the > Linux kernel. But I could be missing something... This seems to require new behavior? * SYS_tkill and SYS_tgkill with signal SIGABRT terminate the current thread or a group of threads abnormally The proposal is a bit weird to me. It seems to discourage using an atexit handler to shut down a service thread (by synchronizing with it). Thanks, Florian