Re: Semaphore Techniques

2009-07-30 Thread Piet van Oostrum
> Carl Banks (CB) wrote: >CB> On Jul 29, 7:14 am, Piet van Oostrum wrote: >>> > Carl Banks (CB) wrote: >>> >CB> On Jul 28, 3:15 pm, John D Giotta wrote: >>> >>> I'm looking to run a process with a limit of 3 instances, but each >>> >>> execution is over a crontab interval. I've been in

Re: Semaphore Techniques

2009-07-29 Thread Carl Banks
On Jul 29, 7:14 am, Piet van Oostrum wrote: > > Carl Banks (CB) wrote: > >CB> On Jul 28, 3:15 pm, John D Giotta wrote: > >>> I'm looking to run a process with a limit of 3 instances, but each > >>> execution is over a crontab interval. I've been investigating the > >>> threading module and u

Re: Semaphore Techniques

2009-07-29 Thread Christian Heimes
John D Giotta schrieb: > I'm working with up to 3 process "session" per server, each process > running three threads. > I was wishing to tie back the 3 "session"/server to a semaphore, but > everything (and everyone) say semaphores are only good per process. That's not true. Named semaphores are t

Re: Semaphore Techniques

2009-07-29 Thread John D Giotta
That was my original idea. Restricting each process by pid: #bash procs=`ps aux | grep script.pl | grep -v grep | wc -l` if [ $procs -lt 3 ]; then python2.4 script.py config.xml else exit 0 fi -- http://mail.python.org/mailman/listinfo/python-list

Re: Semaphore Techniques

2009-07-29 Thread John D Giotta
I'm working with up to 3 process "session" per server, each process running three threads. I was wishing to tie back the 3 "session"/server to a semaphore, but everything (and everyone) say semaphores are only good per process. -- http://mail.python.org/mailman/listinfo/python-list

Re: Semaphore Techniques

2009-07-29 Thread Piet van Oostrum
> Carl Banks (CB) wrote: >CB> On Jul 28, 3:15 pm, John D Giotta wrote: >>> I'm looking to run a process with a limit of 3 instances, but each >>> execution is over a crontab interval. I've been investigating the >>> threading module and using daemons to limit active thread objects, but >>> I

Re: Semaphore Techniques

2009-07-29 Thread Nick Craig-Wood
John D Giotta wrote: > I'm looking to run a process with a limit of 3 instances, but each > execution is over a crontab interval. I've been investigating the > threading module and using daemons to limit active thread objects, but > I'm not very successful at grasping the documentation. > >

Re: Semaphore Techniques

2009-07-28 Thread Carl Banks
On Jul 28, 3:15 pm, John D Giotta wrote: > I'm looking to run a process with a limit of 3 instances, but each > execution is over a crontab interval. I've been investigating the > threading module and using daemons to limit active thread objects, but > I'm not very successful at grasping the docum

Re: Semaphore Techniques

2009-07-28 Thread David Bolen
John D Giotta writes: > I'm looking to run a process with a limit of 3 instances, but each > execution is over a crontab interval. I've been investigating the > threading module and using daemons to limit active thread objects, but > I'm not very successful at grasping the documentation. > > Is i

Re: Semaphore Techniques

2009-07-28 Thread Philip Semanchuk
On Jul 28, 2009, at 7:19 PM, Christian Heimes wrote: John D Giotta schrieb: I'm looking to run a process with a limit of 3 instances, but each execution is over a crontab interval. I've been investigating the threading module and using daemons to limit active thread objects, but I'm not ver

Re: Semaphore Techniques

2009-07-28 Thread Christian Heimes
John D Giotta schrieb: > I'm looking to run a process with a limit of 3 instances, but each > execution is over a crontab interval. I've been investigating the > threading module and using daemons to limit active thread objects, but > I'm not very successful at grasping the documentation. > > Is i