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add signals to increase/decrease number of workers 

bzr revid: al@openerp.com-20130909201706-sllijtol7p6mi5nr
This commit is contained in:
Antony Lesuisse 2013-09-09 22:17:06 +02:00
parent 2a6d0299d9
commit 3bc9a499d4
1 changed files with 11 additions and 1 deletions
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12
openerp/service/workers.py
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@ -362,6 +362,12 @@ class Multicorn(CommonServer):
elif sig == signal.SIGQUIT:
# dump stacks on kill -3
self.dumpstacks()
elif sig == signal.SIGTTIN:
# increase number of workers
self.population += 1
elif sig == signal.SIGTTOUT:
# decrease number of workers
self.population -= 1
def process_zombie(self):
# reap dead workers
@ -423,10 +429,14 @@ class Multicorn(CommonServer):
# by a signal simulating a pseudo SA_RESTART. We write to a pipe in the
# signal handler to overcome this behaviour
self.pipe = self.pipe_new()
# set signal
# set signal handlers
signal.signal(signal.SIGINT, self.signal_handler)
signal.signal(signal.SIGTERM, self.signal_handler)
signal.signal(signal.SIGHUP, self.signal_handler)
signal.signal(signal.SIGCHLD, self.signal_handler)
signal.signal(signal.SIGQUIT, self.signal_handler)
signal.signal(signal.SIGTTIN, self.signal_handler)
signal.signal(signal.SIGTTOUT, self.signal_handler)
# listen to socket
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)