---------------------
PatchSet 5963 
Date: 2007/10/14 14:44:28
Author: chtsanti
Branch: async-calls
Tag: (none) 
Log:
applying Alex's dirty fix (attachment id=1497) for bug 2093

Members: 
	src/EventLoop.cc:1.5->1.5.4.1 

Index: squid3/src/EventLoop.cc
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/EventLoop.cc,v
retrieving revision 1.5
retrieving revision 1.5.4.1
diff -u -r1.5 -r1.5.4.1
--- squid3/src/EventLoop.cc	23 Jul 2007 20:50:56 -0000	1.5
+++ squid3/src/EventLoop.cc	14 Oct 2007 14:44:28 -0000	1.5.4.1
@@ -1,6 +1,6 @@
 
 /*
- * $Id: EventLoop.cc,v 1.5 2007/07/23 20:50:56 squidadm Exp $
+ * $Id: EventLoop.cc,v 1.5.4.1 2007/10/14 14:44:28 chtsanti Exp $
  *
  * DEBUG: section 1     Main Loop
  * AUTHOR: Harvest Derived
@@ -105,31 +105,50 @@
 bool
 EventLoop::runOnce()
 {
+    bool sawActivity = false;
     runOnceResult = true;
     error = false;
     loop_delay = 10; /* 10 ms default delay */
 
-    for (engine_vector::iterator i = engines.begin();
-            i != engines.end(); ++i) {
-        /* check the primary outside the loop */
-
-        if (*i == primaryEngine)
-            continue;
+    AsyncEngine *waitingEngine = primaryEngine;
+    if (!waitingEngine && !engines.empty())
+        waitingEngine = engines.back();
+
+    do {
+        sawActivity = false;
+
+        // collect events into dispatchers
+        typedef engine_vector::iterator EVI;
+        for (EVI i = engines.begin(); i != engines.end(); ++i) {
+            if (*i != waitingEngine)
+                checkEngine(*i, false);
+        }
 
-        /* special case the last engine to be primary */
-        checkEngine(*i, primaryEngine == NULL && (i - engines.end() == -1));
-    }
+        // fire events; TODO: make this a method
+        typedef dispatcher_vector::iterator DVI;
+        for (DVI i = dispatchers.begin(); i != dispatchers.end(); ++i) {
+            if ((*i)->dispatch())
+                sawActivity = true;
+        }
+        if (sawActivity)
+            runOnceResult = false;
+	} while (sawActivity);
 
-    if (primaryEngine != NULL)
-        checkEngine(primaryEngine, true);
+    if (waitingEngine != NULL)
+        checkEngine(waitingEngine, true);
 
     if (timeService != NULL)
         timeService->tick();
 
-    for (dispatcher_vector::iterator i = dispatchers.begin();
-            i != dispatchers.end(); ++i)
+    // fire events from the waiting engine; TODO: make this a method
+    sawActivity = false;
+    typedef dispatcher_vector::iterator DVI;
+    for (DVI i = dispatchers.begin(); i != dispatchers.end(); ++i) {
         if ((*i)->dispatch())
-            runOnceResult = false;
+            sawActivity = true;
+    }
+    if (sawActivity)
+        runOnceResult = false;
 
     if (error) {
         ++errcount;