mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-11-23 01:16:34 +03:00
Applied win32 patch from Jason Erickson.
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@ -66,8 +66,8 @@ static void Dprintf(const char *fmt, ...) {}
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#include <winsock2.h>
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#define pthread_mutex_t HANDLE
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#define pthread_condvar_t HANDLE
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#define pthread_mutex_lock(object) WaitForSingleObject(object, INFINITE)
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#define pthread_mutex_unlock(object) ReleaseMutex(object)
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#define pthread_mutex_lock(object) WaitForSingleObject(*(object), INFINITE)
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#define pthread_mutex_unlock(object) ReleaseMutex(*(object))
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#define pthread_mutex_destroy(ref) (CloseHandle(*(ref)))
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/* convert pthread mutex to native mutex */
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static int pthread_mutex_init(pthread_mutex_t *mutex, void* fake)
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@ -308,15 +308,18 @@ _psyco_curs_execute(cursorObject *self,
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int res = 0;
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PyObject *fquery, *cvt = NULL;
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Py_BEGIN_ALLOW_THREADS;
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pthread_mutex_lock(&(self->conn->lock));
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if (self->conn->async_cursor != NULL
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&& self->conn->async_cursor != (PyObject*)self) {
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pthread_mutex_unlock(&(self->conn->lock));
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Py_BLOCK_THREADS;
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psyco_set_error(ProgrammingError, (PyObject*)self,
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"asynchronous query already in execution", NULL, NULL);
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return 0;
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}
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pthread_mutex_unlock(&(self->conn->lock));
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Py_END_ALLOW_THREADS;
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operation = _psyco_curs_validate_sql_basic(self, operation);
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@ -641,15 +644,18 @@ _psyco_curs_prefetch(cursorObject *self)
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/* check if the fetching cursor is the one that did the asynchronous query
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and raise an exception if not */
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Py_BEGIN_ALLOW_THREADS;
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pthread_mutex_lock(&(self->conn->lock));
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if (self->conn->async_cursor != NULL
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&& self->conn->async_cursor != (PyObject*)self) {
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pthread_mutex_unlock(&(self->conn->lock));
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Py_BLOCK_THREADS;
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psyco_set_error(ProgrammingError, (PyObject*)self,
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"asynchronous fetch by wrong cursor", NULL, NULL);
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return -2;
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}
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pthread_mutex_unlock(&(self->conn->lock));
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Py_END_ALLOW_THREADS;
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if (self->pgres == NULL || self->needsfetch) {
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self->needsfetch = 0;
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@ -1382,12 +1388,12 @@ psyco_curs_fileno(cursorObject *self, PyObject *args)
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/* note how we call PQflush() to make sure the user will use
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select() in the safe way! */
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pthread_mutex_lock(&(self->conn->lock));
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Py_BEGIN_ALLOW_THREADS;
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pthread_mutex_lock(&(self->conn->lock));
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PQflush(self->conn->pgconn);
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socket = (long int)PQsocket(self->conn->pgconn);
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Py_END_ALLOW_THREADS;
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pthread_mutex_unlock(&(self->conn->lock));
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Py_END_ALLOW_THREADS;
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return PyInt_FromLong(socket);
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}
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@ -1413,10 +1419,12 @@ psyco_curs_isready(cursorObject *self, PyObject *args)
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}
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else {
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IFCLEARPGRES(self->pgres);
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Py_BEGIN_ALLOW_THREADS;
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pthread_mutex_lock(&(self->conn->lock));
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self->pgres = PQgetResult(self->conn->pgconn);
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self->conn->async_cursor = NULL;
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pthread_mutex_unlock(&(self->conn->lock));
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Py_END_ALLOW_THREADS;
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self->needsfetch = 1;
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Py_INCREF(Py_True);
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return Py_True;
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@ -564,11 +564,12 @@ _pq_fetch_tuples(cursorObject *curs)
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int fsize = PQfsize(curs->pgres, i);
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int fmod = PQfmod(curs->pgres, i);
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Py_BLOCK_THREADS;
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PyObject *dtitem = PyTuple_New(7);
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PyObject *type = PyInt_FromLong(ftype);
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PyObject *cast = NULL;
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Py_BLOCK_THREADS;
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PyTuple_SET_ITEM(curs->description, i, dtitem);
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/* fill the right cast function by accessing three different dictionaries:
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@ -593,6 +593,7 @@ psyco_GetDecimalType(void)
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static PyObject *cachedType = NULL;
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#ifdef HAVE_DECIMAL
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PyObject *decimal = PyImport_ImportModule("decimal");
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/* Use the cached object if running from the main interpreter. */
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int can_cache = psyco_is_main_interp();
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@ -602,7 +603,6 @@ psyco_GetDecimalType(void)
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}
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/* Get a new reference to the Decimal type. */
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PyObject *decimal = PyImport_ImportModule("decimal");
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if (decimal) {
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decimalType = PyObject_GetAttrString(decimal, "Decimal");
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Py_DECREF(decimal);
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