Updater.cpp:

- use new AutoInterruptLock
 - add delay to give the RTOS some time to handle TCP

WiFiClient.cpp
 - add stopAllexcepted to cancel all TCP excepted one

ClientContext.h
 - add getLocalPort()

ESP8266HTTPUpdate.cpp
 - close all not needed TCP and UDP

osapi.h
 - missing commit from SDK

libraries/ESP8266WiFi/src/WiFiClient.cpp

@@ -284,3 +284,27 @@ void WiFiClient::stopAll()
         }
     }
 }
+
+
+void WiFiClient::stopAllexcepted(WiFiClient * exC) {
+    for (WiFiClient* it = _s_first; it; it = it->_next) {
+        ClientContext* c = it->_client;
+
+        if(c && exC->_client) {
+            if(exC->_client->getRemoteAddress() == c->getRemoteAddress()) {
+                if(exC->_client->getRemotePort() == c->getRemotePort()) {
+                    if(exC->_client->getLocalPort() == c->getLocalPort()) {
+                        // ignore this
+                        c = NULL;
+                    }
+                }
+            }
+        }
+
+        if (c) {
+            c->abort();
+            c->unref();
+            it->_client = 0;
+        }
+    }
+}