STATIC void *thread_entry(void *args_in) { // Execution begins here for a new thread. We do not have the GIL. thread_entry_args_t *args = (thread_entry_args_t*)args_in; mp_state_thread_t ts; mp_thread_set_state(&ts); mp_stack_set_top(&ts + 1); // need to include ts in root-pointer scan mp_stack_set_limit(args->stack_size); #if MICROPY_ENABLE_PYSTACK // TODO threading and pystack is not fully supported, for now just make a small stack mp_obj_t mini_pystack[128]; mp_pystack_init(mini_pystack, &mini_pystack[128]); #endif // set locals and globals from the calling context mp_locals_set(args->dict_locals); mp_globals_set(args->dict_globals); MP_THREAD_GIL_ENTER(); // signal that we are set up and running mp_thread_start(); // TODO set more thread-specific state here: // mp_pending_exception? (root pointer) // cur_exception (root pointer) DEBUG_printf("[thread] start ts=%p args=%p stack=%p\n", &ts, &args, MP_STATE_THREAD(stack_top)); nlr_buf_t nlr; if (nlr_push(&nlr) == 0) { mp_call_function_n_kw(args->fun, args->n_args, args->n_kw, args->args); nlr_pop(); } else { // uncaught exception // check for SystemExit mp_obj_base_t *exc = (mp_obj_base_t*)nlr.ret_val; if (mp_obj_is_subclass_fast(MP_OBJ_FROM_PTR(exc->type), MP_OBJ_FROM_PTR(&mp_type_SystemExit))) { // swallow exception silently } else { // print exception out mp_printf(MICROPY_ERROR_PRINTER, "Unhandled exception in thread started by "); mp_obj_print_helper(MICROPY_ERROR_PRINTER, args->fun, PRINT_REPR); mp_printf(MICROPY_ERROR_PRINTER, "\n"); mp_obj_print_exception(MICROPY_ERROR_PRINTER, MP_OBJ_FROM_PTR(exc)); } } DEBUG_printf("[thread] finish ts=%p\n", &ts); // signal that we are finished mp_thread_finish(); MP_THREAD_GIL_EXIT(); return NULL; }
STATIC void *thread_entry(void *args_in) { // Execution begins here for a new thread. We do not have the GIL. thread_entry_args_t *args = (thread_entry_args_t*)args_in; mp_state_thread_t ts; mp_thread_set_state(&ts); mp_stack_set_top(&ts + 1); // need to include ts in root-pointer scan mp_stack_set_limit(args->stack_size); MP_THREAD_GIL_ENTER(); // signal that we are set up and running mp_thread_start(); // TODO set more thread-specific state here: // mp_pending_exception? (root pointer) // cur_exception (root pointer) // dict_locals? (root pointer) uPy doesn't make a new locals dict for functions, just for classes, so it's different to CPy DEBUG_printf("[thread] start ts=%p args=%p stack=%p\n", &ts, &args, MP_STATE_THREAD(stack_top)); nlr_buf_t nlr; if (nlr_push(&nlr) == 0) { mp_call_function_n_kw(args->fun, args->n_args, args->n_kw, args->args); nlr_pop(); } else { // uncaught exception // check for SystemExit mp_obj_base_t *exc = (mp_obj_base_t*)nlr.ret_val; if (mp_obj_is_subclass_fast(MP_OBJ_FROM_PTR(exc->type), MP_OBJ_FROM_PTR(&mp_type_SystemExit))) { // swallow exception silently } else { // print exception out mp_printf(&mp_plat_print, "Unhandled exception in thread started by "); mp_obj_print_helper(&mp_plat_print, args->fun, PRINT_REPR); mp_printf(&mp_plat_print, "\n"); mp_obj_print_exception(&mp_plat_print, MP_OBJ_FROM_PTR(exc)); } } DEBUG_printf("[thread] finish ts=%p\n", &ts); // signal that we are finished mp_thread_finish(); MP_THREAD_GIL_EXIT(); return NULL; }