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Issue #12040: Expose a new attribute sentinel on instances of

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:class:`multiprocessing.Process`.  Also, fix Process.join() to not use
polling anymore, when given a timeout.
This commit is contained in:
Antoine Pitrou 2011-06-06 19:35:31 +02:00
parent f068ab8304
commit 176f07dadf
6 changed files with 108 additions and 14 deletions
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12
Lib/multiprocessing/process.py
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@ -132,6 +132,7 @@ class Process(object):
else:
from .forking import Popen
self._popen = Popen(self)
self._sentinel = self._popen.sentinel
_current_process._children.add(self)
def terminate(self):
@ -218,6 +219,17 @@ class Process(object):
pid = ident
@property
def sentinel(self):
'''
Return a file descriptor (Unix) or handle (Windows) suitable for
waiting for process termination.
'''
try:
return self._sentinel
except AttributeError:
raise ValueError("process not started")
def __repr__(self):
if self is _current_process:
status = 'started'