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python: Ensure Python GIL state is correct during callback.

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This updates commit 2cac52000a.
This commit is contained in:
Richard W.M. Jones
2011-04-22 22:53:07 +01:00
parent dfd7efb91f
commit f24494195a
1 changed files with 8 additions and 0 deletions
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8
python/guestfs-py-byhand.c
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@@ -91,6 +91,7 @@ py_guestfs_event_callback_wrapper (guestfs_h *g,
const char *buf, size_t buf_len,
const uint64_t *array, size_t array_len)
{
PyGILState_STATE py_save = PyGILState_UNLOCKED;
PyObject *py_callback = callback;
PyObject *py_array;
PyObject *args;
@@ -109,7 +110,14 @@ py_guestfs_event_callback_wrapper (guestfs_h *g,
(unsigned PY_LONG_LONG) event, event_handle,
buf, buf_len, py_array);
if (PyEval_ThreadsInitialized ())
py_save = PyGILState_Ensure ();
py_r = PyEval_CallObject (py_callback, args);
if (PyEval_ThreadsInitialized ())
PyGILState_Release (py_save);
Py_DECREF (args);
if (py_r != NULL)