Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!lsuc!hcr!larry From: larry@hcr.UUCP Newsgroups: comp.unix.wizards Subject: Re: Setting process groups Message-ID: <2990@hcr.UUCP> Date: Wed, 2-Dec-87 10:29:08 EST Article-I.D.: hcr.2990 Posted: Wed Dec 2 10:29:08 1987 Date-Received: Sat, 5-Dec-87 13:50:45 EST References: <1765@unc.cs.unc.edu> <910@mcgill-vision.UUCP> <1261@saturn.ucsc.edu> <3134@psuvax1.psu.edu> Reply-To: larry@hcr.UUCP (Larry Philps) Organization: HCR Corporation, Toronto Lines: 18 Summary: In article <3134@psuvax1.psu.edu> flee@gondor.psu.edu (Felix Lee) writes: >SVID setpgrp() doesn't take an argument. It's equivalent to Berkeleyish >setpgrp(getpid()). >-- >Felix Lee flee@gondor.psu.edu *!psuvax1!gondor!flee Actually SVID setpgrp() has an "extra feature" that Berkeley setpgrp(getpid()) does not have - it detaches the process from its controlling terminal. This does tend to make it "difficult" to create a pipeline attached to your terminal but with its own process group. Larry Philps HCR Corporation 130 Bloor St. West, 10th floor Toronto, Ontario M5S 1N5 (416) 922-1937 {utzoo,utcsri,decvax,ihnp4}!hcr!larry