From owner-cvs-src@FreeBSD.ORG Tue Jun 17 14:26:51 2008 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 57D151065677; Tue, 17 Jun 2008 14:26:51 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (skuns.zoral.com.ua [91.193.166.194]) by mx1.freebsd.org (Postfix) with ESMTP id B6FBF8FC1D; Tue, 17 Jun 2008 14:26:50 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id m5HEB3L5066617 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 17 Jun 2008 17:11:03 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.2/8.14.2) with ESMTP id m5HE57L3059889; Tue, 17 Jun 2008 17:05:07 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.2/8.14.2/Submit) id m5HE579l059888; Tue, 17 Jun 2008 17:05:07 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Tue, 17 Jun 2008 17:05:07 +0300 From: Kostik Belousov To: David Schultz Message-ID: <20080617140507.GM82830@deviant.kiev.zoral.com.ua> References: <200806170633.m5H6XMJH084600@repoman.freebsd.org> <20080617134828.GA30076@zim.MIT.EDU> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="TxukmIqg3MmZ0Kmh" Content-Disposition: inline In-Reply-To: <20080617134828.GA30076@zim.MIT.EDU> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: ClamAV version 0.91.2, clamav-milter version 0.91.2 on skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.2.4 X-Spam-Checker-Version: SpamAssassin 3.2.4 (2008-01-01) on skuns.kiev.zoral.com.ua Cc: cvs-src@freebsd.org, src-committers@freebsd.org, David Xu , cvs-all@freebsd.org Subject: Re: cvs commit: src/include Makefile spawn.h unistd.h src/lib/libc/gen Makefile.inc Symbol.map exec.3 exec.c posix_spawn.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Jun 2008 14:26:51 -0000 --TxukmIqg3MmZ0Kmh Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jun 17, 2008 at 09:48:28AM -0400, David Schultz wrote: > On Tue, Jun 17, 2008, David Xu wrote: > > davidxu 2008-06-17 06:26:29 UTC > >=20 > > FreeBSD src repository > >=20 > > Modified files: > > include Makefile unistd.h=20 > > lib/libc/gen Makefile.inc Symbol.map exec.3 exec.c=20 > > Added files: > > include spawn.h=20 > > lib/libc/gen posix_spawn.c=20 > > Log: > > SVN rev 179838 on 2008-06-17 06:26:29Z by davidxu > > =20 > > Add POSIX routines called posix_spawn() and posix_spawnp(), which > > can be used as replacements for exec/fork in a lot of cases. This > > change also added execvpe() which allows environment variable > > PATH to be used for searching executable file, it is used for > > implementing posix_spawnp(). > > =20 > > PR: standards/122051 >=20 > I have no objections to this, but doesn't it defeat the whole > purpose to implement posix_spawn() as a library function that just > calls fork/exec? How it can be ? Unless there is some problem with implementation, it shall be ok. Also, SUSv3 explicitely stated that design of the posix_spawn allows it to be implemented as fork/exec. --TxukmIqg3MmZ0Kmh Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkhXxJIACgkQC3+MBN1Mb4jrlgCg5bdQpUsKHTDcVJLYQABXsQyV eD0AoLiFp0/y45T7LYQUx4pf4Vnh6EDG =87Vq -----END PGP SIGNATURE----- --TxukmIqg3MmZ0Kmh--