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Avoid zombie processes in case of using LocalProcessSpawner

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This commit is contained in:
Maxim Martynov
2021-07-20 00:48:15 +03:00
parent e38509ca42
commit 9975b8001f
2 changed files with 8 additions and 4 deletions
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5
jupyterhub/proxy.py
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@@ -722,8 +722,9 @@ class ConfigurableHTTPProxy(Proxy):
def _check_process():
status = self.proxy_process.poll()
if status is not None:
e = RuntimeError("Proxy failed to start with exit code %i" % status)
raise e from None
with self.proxy_process:
e = RuntimeError("Proxy failed to start with exit code %i" % status)
raise e from None
for server in (public_server, api_server):
for i in range(10):

7
jupyterhub/spawner.py
View File

@@ -1542,8 +1542,11 @@ class LocalProcessSpawner(Spawner):
if self.proc is not None:
status = self.proc.poll()
if status is not None:
# clear state if the process is done
self.clear_state()
# handle SIGCHILD to avoid zombie processes
# and also close stdout/stderr file descriptors
with self.proc:
# clear state if the process is done
self.clear_state()
return status
# if we resumed from stored state,