handle read event before close event in case pipe sends us something and close...

handle read event before close event in case pipe sends us something and close pipe in the same time.

src/common/xmpp/idlequeue.py

@@ -388,6 +388,16 @@ class IdleQueue:
             self.unplug_idle(fd)
             return False
 
+        read_write = False
+        if flags & PENDING_READ:
+            #print 'waiting read on %d, flags are %d' % (fd, flags)
+            obj.pollin()
+            read_write = True
+
+        elif flags & PENDING_WRITE and not flags & IS_CLOSED:
+            obj.pollout()
+            read_write = True
+
         if flags & IS_CLOSED:
             # io error, don't expect more events
             self.remove_timeout(obj.fd)
@@ -395,15 +405,8 @@ class IdleQueue:
             obj.pollend()
             return False
 
-        if flags & PENDING_READ:
-            #print 'waiting read on %d, flags are %d' % (fd, flags)
-            obj.pollin()
-            return True
-
-        if flags & PENDING_WRITE:
-            obj.pollout()
+        if read_write:
             return True
-
         return False
 
     def process(self):