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avoid deadlock between GIL and scan locks

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This commit is contained in:
Michael Davidsaver
2019-06-05 12:04:00 +02:00
parent c4a1c7deea
commit e2ca483507
1 changed files with 7 additions and 3 deletions
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10
devsupApp/src/dbrec.c
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@ -272,7 +272,9 @@ static PyObject *pyRecord_asyncFinish(pyRecord *self, PyObject *args, PyObject *
static PyObject *pyRecord_enter(pyRecord *self)
{
dbScanLock(self->entry.precnode->precord);
Py_BEGIN_ALLOW_THREADS {
dbScanLock(self->entry.precnode->precord);
} Py_END_ALLOW_THREADS
Py_INCREF(self);
return (PyObject*)self;
@ -282,8 +284,10 @@ static PyObject *pyRecord_exit(pyRecord *self, PyObject *args)
{
PyObject *t, *v, *tb;
/* always unlock, regardless of arguments */
dbScanUnlock(self->entry.precnode->precord);
Py_BEGIN_ALLOW_THREADS {
/* always unlock, regardless of arguments */
dbScanUnlock(self->entry.precnode->precord);
} Py_END_ALLOW_THREADS
if(!PyArg_ParseTuple(args, "OOO", &t, &v, &tb))
return NULL;