py/mpstate: Make mp_pending_exception volatile.

It can change asynchronously.
2015-11-17 14:27:21 +00:00 · 2015-11-17 14:27:21 +00:00 · 994ff738c8
parent a24eafacc9
commit 994ff738c8
1 changed files with 1 additions and 1 deletions
--- a/py/mpstate.h
+++ b/py/mpstate.h
@ -105,7 +105,7 @@ typedef struct _mp_state_vm_t {
    mp_map_t mp_loaded_modules_map;

    // pending exception object (MP_OBJ_NULL if not pending)
-    mp_obj_t mp_pending_exception;
+    volatile mp_obj_t mp_pending_exception;

    // current exception being handled, for sys.exc_info()
    #if MICROPY_PY_SYS_EXC_INFO