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Dropped GIL release around function calling PyMem_Malloc
Closes ticket #110.
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@ -4,6 +4,9 @@ What's new in psycopg 2.4.6
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- Fixed 'cursor()' arguments propagation in connection subclasses
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and overriding of the 'cursor_factory' argument. Thanks to
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Corry Haines for the report and the initial patch (ticket #105).
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- Dropped GIL release during string adaptation around a function call
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invoking a Python API function, which could cause interpreter crash.
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Thanks to Manu Cupcic for the report (ticket #110).
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What's new in psycopg 2.4.5
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@ -73,16 +73,7 @@ qstring_quote(qstringObject *self)
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/* encode the string into buffer */
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Bytes_AsStringAndSize(str, &s, &len);
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/* Call qstring_escape with the GIL released, then reacquire the GIL
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before verifying that the results can fit into a Python string; raise
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an exception if not. */
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Py_BEGIN_ALLOW_THREADS
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buffer = psycopg_escape_string(self->conn, s, len, NULL, &qlen);
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Py_END_ALLOW_THREADS
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if (buffer == NULL) {
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if (!(buffer = psycopg_escape_string(self->conn, s, len, NULL, &qlen))) {
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Py_DECREF(str);
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PyErr_NoMemory();
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return NULL;
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