Ticket #5912: update-existing-calls.diff

doc/core/howto/process.xhtml

@@ -477 +477 @@
         if childFD == 1: self.plaintext += data
         if childFD == 4: self.status += data
     def processEnded(self, status):
-        rc = status.value.exitCode
-        if rc == 0:
-            self.deferred.callback(self)
-        else:
-            self.deferred.errback(rc)
+        if self.deferred is not None:
+            d, self.deferred = self.deferred, None
+            rc = status.value.exitCode
+            if rc == 0:
+                d.callback(self)
+            else:
+                d.errback(rc)
 
 def decrypt(crypttext):
     gp = GPGProtocol(crypttext)

doc/web/howto/client.xhtml

@@ -347 +347 @@
         pass
 
     def connectionLost(self, reason):
-        self.deferred.callback(None)
+        if self.deferred is not None:
+            d, self.deferred = self.deferred, None
+            d.callback(None)
 
 
 def cbRequest(response):