daemon
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From: "Tommy Pham" on 7 Oct 2010 01:21 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? Thanks, Tommy
From: Nathan Nobbe on 7 Oct 2010 01:46 On Wed, Oct 6, 2010 at 11:21 PM, Tommy Pham <tommyhp2(a)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! -nathan
From: Per Jessen on 7 Oct 2010 03:34 Tommy Pham wrote: > Hi, >=20 > Does anyone have a script running as daemon on Linux/Unix (variants) > as part of your PHP application? =20 Yeah, several.=20 > If so, what are you using to schedule the script to run? cron? sysVinit and startproc --=20 Per Jessen, Z=C3=BCrich (12.1=C2=B0C)
From: Colin Guthrie on 7 Oct 2010 04:07 '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(a)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/]
From: Per Jessen on 7 Oct 2010 05:39 Colin Guthrie wrote: > 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. Could easily be years - the init-sequence is only interesting at boot-time, and server runs for years (wel, mine certainly do). /Per --=20 Per Jessen, Z=C3=BCrich (12.9=C2=B0C)
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