Re: daemon

'Twas brillig, and Nathan Nobbe at 07/10/10 06:46 did gyre and gimble: > On Wed, Oct 6, 2010 at 11:21 PM, Tommy Pham <tommyhp2@gmail.com> wrote: > >> Hi, >> >> Does anyone have a script running as daemon on Linux/Unix (variants) as >> part >> of your PHP application? If so, what are you using to schedule the script >> to run? cron? >> > > cron is one way to do it for scripts you schedule. for real daemon > processes though ive recently deployed a php script on gentoo by leveraging > the init scripts. essentially my program runs a while(true) and uses > pcntl_fork() to create worker children. the parent process listens for > signals which are sent by an init script. theres also a really nice > start-stop-daemon function in the init script library which backgrounds the > process for me and creates a pid lockfile. really slick. > > now i have an interface to my script like > > /etc/init.d/php-service start > > etc. plus it ties right into the runlevel scripts, i just run > > rc-update add php-service default > > and the script will start when the box hits runlevel 3! Yeah that's what I do too. Of course systemd will change everything "initscript" related, but I don't expect it to hit production servers for a while. Col -- Colin Guthrie gmane(at)colin.guthr.ie http://colin.guthr.ie/ Day Job: Tribalogic Limited [http://www.tribalogic.net/] Open Source: Mageia Contributor [http://www.mageia.org/] PulseAudio Hacker [http://www.pulseaudio.org/] Trac Hacker [http://trac.edgewall.org/]