bk commit into 5.1 tree (jonas:1.2094) BUG#24949

[jonas]

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ChangeSet@stripped, 2007-01-24 18:21:09+01:00, jonas@stripped +2 -0
  ndb - bug#24949
    Make sure not to poll to long in case of hb-failure of last db-node
    (recommit mysql-5.1-wl2325-5.0)

  storage/ndb/src/ndbapi/Ndbif.cpp@stripped, 2007-01-24 18:21:08+01:00,
jonas@stripped +2 -2
    Make sure not to poll too long

  storage/ndb/src/ndbapi/TransporterFacade.cpp@stripped, 2007-01-24 18:21:08+01:00,
jonas@stripped +3 -5
    Make sure not to poll too long

# 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/drop5

--- 1.37/storage/ndb/src/ndbapi/Ndbif.cpp	2007-01-24 18:21:13 +01:00
+++ 1.38/storage/ndb/src/ndbapi/Ndbif.cpp	2007-01-24 18:21:13 +01:00
@@ -1242,9 +1242,9 @@
   NDB_TICKS currTime = NdbTick_CurrentMillisecond();
   NDB_TICKS maxTime = currTime + (NDB_TICKS)waitTime;
   theMinNoOfEventsToWakeUp = noOfEventsToWaitFor;
+  const int maxsleep = aMilliSecondsToWait > 10 ? 10 : aMilliSecondsToWait;
   do {
-    if (waitTime < 1000) waitTime = 1000;
-    poll_guard->wait_for_input(waitTime);
+    poll_guard->wait_for_input(maxsleep);
     if (theNoOfCompletedTransactions >= (Uint32)noOfEventsToWaitFor) {
       break;
     }//if

--- 1.48/storage/ndb/src/ndbapi/TransporterFacade.cpp	2007-01-24 18:21:13 +01:00
+++ 1.49/storage/ndb/src/ndbapi/TransporterFacade.cpp	2007-01-24 18:21:13 +01:00
@@ -1370,15 +1370,13 @@
     m_tp->forceSend(m_block_no);
   else
     m_tp->checkForceSend(m_block_no);
-  if (wait_time == -1) //Means wait forever
-    response_time= WAITFOR_RESPONSE_TIMEOUT;
-  else
-    response_time= wait_time;
+
   NDB_TICKS curr_time = NdbTick_CurrentMillisecond();
   NDB_TICKS max_time = curr_time + (NDB_TICKS)wait_time;
+  const int maxsleep = (wait_time == -1 || wait_time > 10) ? 10 : wait_time;
   do
   {
-    wait_for_input(response_time);
+    wait_for_input(maxsleep);
     Uint32 state= m_waiter->get_state();
     if (state == NO_WAIT)
     {