X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-1.1 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org To: cygwin@cygwin.com From: Andrew DeFaria Subject: Re: Unable to disown process Date: Wed, 06 Jul 2011 14:12:52 -0700 Lines: 36 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.18) Gecko/20110616 Lightning/1.0b2 Thunderbird/3.1.11 In-Reply-To: X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com On 7/6/2011 2:01 PM, Andy Koppe wrote: > On 6 July 2011 21:15, Andrew wrote: >> On 7/6/2011 12:12 PM, Andy Koppe wrote: >>> You can use the 'setsid' utility from the util-linux package to invoke >>> a program in its own session, i.e. without connection to the terminal >>> it is invoked from. For example: >>> >>> setsid ssh -NL 1119:news.mozilla.org:119 \ >>> -L 2119:news.gmane.org:119 \ >>> -L 3119:nntp.perl.org:119 \ >>> andrew@defaria.com >>> >>> No need for 'nohup', redirections, backgrounding, or 'disown' with this. >> Actually I still need backgrounding as without it my ~/bin/tunnel just hangs >> on the setsid command... > Hmm, I'm afraid I don't know why that happens when setsid is invoked > from a script. > > This returns immediately: > > $ setsid sleep 10 > > As does this: > > $ bash -c 'setsid sleep 10' > > But this doesn't: > > $ echo 'setsid sleep 10'> sleep.sh; bash sleep.sh > > Andy The above coincides with my experiments too. Not a big deal as adding a "&" to the line in the script works just fine. -- Andrew DeFaria If croutons are stale bread, why do they come in airtight packages? -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple