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Issue #9448: Fix a leak of OS resources (mutexes or semaphores) when

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re-initializing a buffered IO object by calling its `__init__` method.
This commit is contained in:
Antoine Pitrou 2010-08-01 16:53:42 +00:00
parent e6c5950af0
commit c881f1592f
2 changed files with 5 additions and 0 deletions
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3
Misc/NEWS
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@ -29,6 +29,9 @@ Extensions
Library Library
------- -------
- Issue #9448: Fix a leak of OS resources (mutexes or semaphores) when
re-initializing a buffered IO object by calling its ``__init__`` method.
- Issue #1713: Fix os.path.ismount(), which returned true for symbolic links - Issue #1713: Fix os.path.ismount(), which returned true for symbolic links
across devices. across devices.

2
Modules/_io/bufferedio.c
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@ -636,6 +636,8 @@ _buffered_init(buffered *self)
return -1; return -1;
} }
#ifdef WITH_THREAD #ifdef WITH_THREAD
if (self->lock)
PyThread_free_lock(self->lock);
self->lock = PyThread_allocate_lock(); self->lock = PyThread_allocate_lock();
if (self->lock == NULL) { if (self->lock == NULL) {
PyErr_SetString(PyExc_RuntimeError, "can't allocate read lock"); PyErr_SetString(PyExc_RuntimeError, "can't allocate read lock");