Function js_std_loop

deps/quickjs/quickjs-libc.c:4830–4855

main loop which calls the user JS callbacks */

/* main loop which calls the user JS callbacks */
int js_std_loop(JSContext *ctx)
{
    JSRuntime *rt = JS_GetRuntime(ctx);
    JSThreadState *ts = js_get_thread_state(rt);
    JSContext *ctx1;
    int err;

    for(;;) {
        /* execute the pending jobs */
        for(;;) {
            err = JS_ExecutePendingJob(JS_GetRuntime(ctx), &ctx1);
            if (err <= 0) {
                if (err < 0)
                    goto done;
                break;
            }
        }

        js_std_promise_rejection_check(ctx);

        if (!ts->can_js_os_poll || js_os_poll(ctx))
            break;
    }
done:
    return JS_HasException(ctx);
}

int js_std_loop_once(JSContext *ctx)
{