diff options
Diffstat (limited to 'source/blender/python/intern/bpy_operator.c')
-rw-r--r-- | source/blender/python/intern/bpy_operator.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/source/blender/python/intern/bpy_operator.c b/source/blender/python/intern/bpy_operator.c index b8883e655f2..4a17c45ae38 100644 --- a/source/blender/python/intern/bpy_operator.c +++ b/source/blender/python/intern/bpy_operator.c @@ -55,6 +55,10 @@ #include "BKE_report.h" #include "BKE_context.h" +/* so operators called can spawn threads which aquire the GIL */ +#define BPY_RELEASE_GIL + + static PyObject *pyop_poll(PyObject *UNUSED(self), PyObject *args) { wmOperatorType *ot; @@ -219,7 +223,22 @@ static PyObject *pyop_call(PyObject *UNUSED(self), PyObject *args) reports= MEM_mallocN(sizeof(ReportList), "wmOperatorReportList"); BKE_reports_init(reports, RPT_STORE | RPT_OP_HOLD); /* own so these dont move into global reports */ - operator_ret= WM_operator_call_py(C, ot, context, &ptr, reports); +#ifdef BPY_RELEASE_GIL + /* release GIL, since a thread could be started from an operator + * that updates a driver */ + /* note: I havve not seen any examples of code that does this + * so it may not be officially supported but seems to work ok. */ + { + PyThreadState *ts= PyEval_SaveThread(); +#endif + + operator_ret= WM_operator_call_py(C, ot, context, &ptr, reports); + +#ifdef BPY_RELEASE_GIL + /* regain GIL */ + PyEval_RestoreThread(ts); + } +#endif error_val= BPy_reports_to_error(reports, PyExc_RuntimeError, FALSE); |