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;
+        }
+    }
+}

libraries/ESP8266WiFi/src/WiFiClient.h

@@ -91,6 +91,7 @@ public:
   using Print::write;
 
   static void stopAll();
+  static void stopAllexcepted(WiFiClient * c);
 
 private:
 

libraries/ESP8266WiFi/src/include/ClientContext.h

@@ -125,6 +125,12 @@ class ClientContext {
             return _pcb->remote_port;
         }
 
+        uint16_t getLocalPort() {
+            if(!_pcb) return 0;
+
+            return _pcb->local_port;
+        }
+
         size_t getSize() const {
             if(!_rx_buf) return 0;