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-rw-r--r--py/runtime.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/py/runtime.h b/py/runtime.h
index 9c1921cb5..3f0d1104e 100644
--- a/py/runtime.h
+++ b/py/runtime.h
@@ -106,8 +106,9 @@ mp_obj_t mp_call_method_n_kw(size_t n_args, size_t n_kw, const mp_obj_t *args);
mp_obj_t mp_call_method_n_kw_var(bool have_self, size_t n_args_n_kw, const mp_obj_t *args);
mp_obj_t mp_call_method_self_n_kw(mp_obj_t meth, mp_obj_t self, size_t n_args, size_t n_kw, const mp_obj_t *args);
// Call function and catch/dump exception - for Python callbacks from C code
-void mp_call_function_1_protected(mp_obj_t fun, mp_obj_t arg);
-void mp_call_function_2_protected(mp_obj_t fun, mp_obj_t arg1, mp_obj_t arg2);
+// (return MP_OBJ_NULL in case of exception).
+mp_obj_t mp_call_function_1_protected(mp_obj_t fun, mp_obj_t arg);
+mp_obj_t mp_call_function_2_protected(mp_obj_t fun, mp_obj_t arg1, mp_obj_t arg2);
typedef struct _mp_call_args_t {
mp_obj_t fun;