Fix #1520 - move state to struct mg_mgr

examples/timers/main.c

@@ -40,13 +40,11 @@ static void timer_fn(void *arg) {
 }
 
 int main(void) {
-  struct mg_mgr mgr;   // Event manager
-  struct mg_timer t1;  // Timer
-  mg_mgr_init(&mgr);   // Initialise event manager
-  mg_timer_init(&t1, 300, MG_TIMER_REPEAT, timer_fn, &mgr);  // Init timer
+  struct mg_mgr mgr;  // Event manager
+  mg_mgr_init(&mgr);  // Initialise event manager
+  mg_timer_add(&mgr, 300, MG_TIMER_REPEAT, timer_fn, &mgr);  // Init timer
   mg_http_listen(&mgr, s_listen_on, fn, NULL);  // Create HTTP listener
   for (;;) mg_mgr_poll(&mgr, 1000);             // Infinite event loop
-  mg_timer_free(&t1);                           // Free timer resources
   mg_mgr_free(&mgr);                            // Free manager resources
   return 0;
 }