mirror of https://github.com/python/cpython
add debug calls to self._note for the Semaphore class. This closes bug
443614. I will submit a new feature request and patch to threading.py and libthreading.tex to address the bounded semaphore issue.
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@ -261,9 +261,15 @@ class _Semaphore(_Verbose):
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while self.__value == 0:
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if not blocking:
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break
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if __debug__:
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self._note("%s.acquire(%s): blocked waiting, value=%s",
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self, blocking, self.__value)
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self.__cond.wait()
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else:
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self.__value = self.__value - 1
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if __debug__:
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self._note("%s.acquire: success, value=%s(%s)",
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self, self.__value, self.__initial_value)
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rc = 1
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self.__cond.release()
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return rc
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@ -271,6 +277,9 @@ class _Semaphore(_Verbose):
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def release(self):
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self.__cond.acquire()
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self.__value = self.__value + 1
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if __debug__:
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self._note("%s.release: success, value=%s(%s)",
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self, self.__value, self.__initial_value)
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self.__cond.notify()
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self.__cond.release()
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