TSG-5978 TFE 与 KNI 保活的 watchdog 线程增加对 tfe worker 线程健康状态检测的功能

platform/include/internal/platform.h

@@ -17,7 +17,7 @@ struct tfe_thread_ctx
 	struct event_base * evbase;
 	struct evdns_base* dnsbase;
 	struct evhttp_connection* evhttp;
-	unsigned char running;
+	time_t lastime;
 	
 	unsigned int nr_modules;
 	const struct tfe_plugin * modules;