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websockify
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Merge commit '0e5c3ecfda3b1506b41412052db75d84df2b4ae7' 

* commit '0e5c3ecfda3b1506b41412052db75d84df2b4ae7':
  Handle SIGCHLD properly for multiprocessing
This commit is contained in:
Peter Åstrand (astrand) 2013-11-28 09:07:41 +01:00
parent f58b49fa08 0e5c3ecfda
commit 972b30ddc2
1 changed files with 10 additions and 1 deletions
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11
websockify/websocket.py
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@ -815,6 +815,9 @@ class WebSocketServer(object):
def terminate(self):
raise self.Terminate()
def multiprocessing_SIGCHLD(self, sig, stack):
self.vmsg('Reaing zombies, active child count is %s', len(multiprocessing.active_children()))
def fallback_SIGCHLD(self, sig, stack):
# Reap zombies when using os.fork() (python 2.4)
self.vmsg("Got SIGCHLD, reaping zombies")
@ -881,7 +884,13 @@ class WebSocketServer(object):
}
signal.signal(signal.SIGINT, self.do_SIGINT)
signal.signal(signal.SIGTERM, self.do_SIGTERM)
signal.signal(signal.SIGCHLD, self.fallback_SIGCHLD)
if not multiprocessing:
# os.fork() (python 2.4) child reaper
signal.signal(signal.SIGCHLD, self.fallback_SIGCHLD)
else:
# make sure that _cleanup is called when children die
# by calling active_children on SIGCHLD
signal.signal(signal.SIGCHLD, self.multiprocessing_SIGCHLD)
last_active_time = self.launch_time
try: