shared/runtime/pyexec: Integrate atexit to be run during exit process.

Signed-off-by: Andrew Leech <[email protected]>

Author: andrewleech

shared/runtime/pyexec.c

@@ -188,6 +188,11 @@ static int parse_compile_execute(const void *source, mp_parse_input_kind_t input
         mp_hal_stdout_tx_strn("\x04", 1);
     }
 
+    #if MICROPY_PY_ATEXIT
+    int atexit_code = mp_atexit_execute();
+    ret = (atexit_code != 0) ? atexit_code : ret;
+    #endif
+
     #ifdef MICROPY_BOARD_AFTER_PYTHON_EXEC
     MICROPY_BOARD_AFTER_PYTHON_EXEC(input_kind, exec_flags, nlr.ret_val, &ret);
     #endif