From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 2D19938DE7 for ; Tue, 27 Feb 2024 21:15:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709068505; cv=none; b=Sq1lCUCZ/bdFXB0BfiahrXkW4rW52P/EQarDeichaJ5bRRed29nTZh9nzUzNEBfUkGCbVgzKilRD3ESnpEcyDfd8+mN7ucUKMAhefsKkueQgc2sDck7Iy+wZNkeU/M8d+GhqPMpPZuWNbePBBb5amLRSNBorjVJsz2SS6zvtTmo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709068505; c=relaxed/simple; bh=shdzx8s69Ka7boXMBPZMjd05mN/UUc48hTQ7QXHgUsA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PXJD/zoywgmr/ps+6yHaKgGw7XUya4MYIIBVTACHPzc7j2CSkqafopFvNRzJG3IgylWiCoeOEJP0ehGbergDdThKTukSFu25MA/pixKpUMH/1/giLcSEsMB922sbNNcUIwwQQLZEuwJnHZgGu72zGqG5w6bL2cNnxpXBVAGZIBw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UYcpnQSI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UYcpnQSI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D08F3C433C7; Tue, 27 Feb 2024 21:15:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1709068504; bh=shdzx8s69Ka7boXMBPZMjd05mN/UUc48hTQ7QXHgUsA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=UYcpnQSI19Ce4nMwXF8BN6d2V+mtErKKX9yZuQ63o0XMORMkhqpDuek6JkKeZWr6i KhiBf7eDgFXPRioZlc8o13wW3NoPZc1PIRf5oHFoxjP6rMKU8GEO0NG7jLaZ1Oa7v/ j+rl0pDdVEjLfiGmQd36swJqdlM1uPMq6/T0geuNiTM9IMKsQCIE9vslvnTIK64jZh um6ofx3olT3U6aLYIfXjo2JU/V2mgcYwqTbanQetJthLcL2AlRHMKIu/mNFmiy9+Ny YlU/isdeglebASIFeJYeqa08h2uVQpssJaZVf9e1dJL6lgk1rX2tWZ145us1ESOmMc aO+8OsBXxDmOQ== Date: Tue, 27 Feb 2024 22:15:01 +0100 From: Alejandro Colomar To: Thomas Orgis Cc: linux-man@vger.kernel.org, Eric Blake Subject: Re: [PATCH 1/2] sigaction.2: HISTORY: SA_NOCLDSTOP wasn't added in POSIX.1-2001 Message-ID: References: <20240214095707.1824c25c@plasteblaster> <20240225115307.438556-1-alx@kernel.org> <20240225115307.438556-2-alx@kernel.org> <5BA9FE20-851A-4074-8BA3-15F2A5BD3C0F@orgis.org> Precedence: bulk X-Mailing-List: linux-man@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Y1HHXl3v6DNjrHmS" Content-Disposition: inline In-Reply-To: <5BA9FE20-851A-4074-8BA3-15F2A5BD3C0F@orgis.org> --Y1HHXl3v6DNjrHmS Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Tue, 27 Feb 2024 22:15:01 +0100 From: Alejandro Colomar To: Thomas Orgis Cc: linux-man@vger.kernel.org, Eric Blake Subject: Re: [PATCH 1/2] sigaction.2: HISTORY: SA_NOCLDSTOP wasn't added in POSIX.1-2001 Hi Thomas, On Tue, Feb 27, 2024 at 07:12:16PM +0100, Thomas Orgis wrote: > Am 25. Februar 2024 12:53:15 MEZ schrieb Alejandro Colomar : > >It already existed in POSIX.1-1996, according to just a few lines above. >=20 > ... it existing in 1990, not 1996? Or is=20 Oops, I misread. It's my accident in the commit message. :) >=20 > >@@ -1020,7 +1020,6 @@ .SH HISTORY > > POSIX.1-1990 specified only >=20 > a typo? I am by no means an expert on POSIX revisions. > More interesting in this context seems to be the subtle change > in SA_NOCLDSTOP behaviour with XSI enabled noted in the spec >=20 > https://pubs.opengroup.org/onlinepubs/9699919799/functions/sigaction.ht= ml >=20 > SA_NOCLDSTOP[CX] Do not generate SIGCHLD when children > stop [XSI] or stopped children continue.=20 >=20 > Should this detail be documented, too, for this flag? Get SIGCHLD only > if continuing, not when stopping unless with XSI? Yup, I also noticed that. I'm no expert in that, so I would be more comfortable if you or someone else send a patch. Have a lovely night! Alex --=20 Looking for a remote C programming job at the moment. --Y1HHXl3v6DNjrHmS Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6jqH8KTroDDkXfJAnowa+77/2zIFAmXeUNUACgkQnowa+77/ 2zLjVg//Z/++fwFTkf/ttu0195gvH2tOdnj7lO27+hZ5qd3TxvChQkDLjF9OopTr ahKJKhVN43wGuPnXFY6GSUP12DP3VwLP9gf2DCMB2/JC2P1bBw70D/7HbbomK6Ad 6iQzt2DNsLVMeBRQerrfZ4pAz8b3vo1jI/Y/PyKxGzvzQf0oWcv830Xd00y3gkah 9znfj7P/uzKo1WFjmU1anlVdF3cnyZiaW+1+Irwt5nzValFRg9KUcATjGoLptDNQ vHW77IsqPSxMwi8T3bH+E/c75pbNyRIch7Py8AWoLYkRpJ9sEPXpU6smWqKbpI9c 5PhXARfi46IaRWOnwvcypLeYcAwQ9HzXy1etgC4Wf3hhEVzpPz6OZRj0op/X+jST geEYr+OE7t/cX9pVH+w1Gt4Cz/iUd6dws3ExXAKxQypBEeKqdaYsfSQprhfLZfhW I6pGnVPBBTLC3Sej2pUCHbkPpLMFtqoDwAFWq+IzazMLUbj2YSco5bzxyB/eB6hA 0P1RZX9SmzDtJR/N7sKNjszd7lkICYkL06cGwHTo/rfGmIZkBzhRecsq+/svBuLe SPIf93OCNkNE5BaX3KNFe8ni10ujTfRqH1C8J4xuIzGQNDHClcGUAuq9my6BpFhd zGI8lTO20X3wOjHLr+3BcYpk04NyrPS8KX+VFVjD+WK8rtmwrJU= =mwze -----END PGP SIGNATURE----- --Y1HHXl3v6DNjrHmS--