bk commit into 4.1 tree (jonas:1.2563) BUG#28443

[jonas]

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ChangeSet@stripped, 2007-05-18 11:06:03+02:00, jonas@stripped +1 -0
  ndb - bug#28443
    review comment
    if some tcp-transporter has data, then do select with timeout 0

  ndb/src/common/transporter/TransporterRegistry.cpp@stripped, 2007-05-18 11:06:01+02:00,
jonas@stripped +18 -16
    review comment
    if some tcp-transporter has data, then do select with timeout 0

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	jonas
# Host:	perch.ndb.mysql.com
# Root:	/home/jonas/src/41-work

--- 1.29/ndb/src/common/transporter/TransporterRegistry.cpp	2007-05-18 11:06:05 +02:00
+++ 1.30/ndb/src/common/transporter/TransporterRegistry.cpp	2007-05-18 11:06:05 +02:00
@@ -814,22 +814,6 @@
     return 0;
   }
   
-  struct timeval timeout;
-#ifdef NDB_OSE
-  // Return directly if there are no TCP transporters configured
-  
-  if(timeOutMillis <= 1){
-    timeout.tv_sec  = 0;
-    timeout.tv_usec = 1025;
-  } else {
-    timeout.tv_sec  = timeOutMillis / 1000;
-    timeout.tv_usec = (timeOutMillis % 1000) * 1000;
-  }
-#else  
-  timeout.tv_sec  = timeOutMillis / 1000;
-  timeout.tv_usec = (timeOutMillis % 1000) * 1000;
-#endif
-
   NDB_SOCKET_TYPE maxSocketValue = -1;
   
   // Needed for TCP/IP connections
@@ -855,6 +839,24 @@
     hasdata |= t->hasReceiveData();
   }
   
+  timeOutMillis = hasdata ? 0 : timeOutMillis;
+  
+  struct timeval timeout;
+#ifdef NDB_OSE
+  // Return directly if there are no TCP transporters configured
+  
+  if(timeOutMillis <= 1){
+    timeout.tv_sec  = 0;
+    timeout.tv_usec = 1025;
+  } else {
+    timeout.tv_sec  = timeOutMillis / 1000;
+    timeout.tv_usec = (timeOutMillis % 1000) * 1000;
+  }
+#else  
+  timeout.tv_sec  = timeOutMillis / 1000;
+  timeout.tv_usec = (timeOutMillis % 1000) * 1000;
+#endif
+
   // The highest socket value plus one
   maxSocketValue++;