New error codes + automatic nulling of tvariables

ndb/src/kernel/blocks/ERROR_codes.txt:
  New error codes for LQH
ndb/src/kernel/blocks/dbtc/DbtcInit.cpp:
  Automatic nulling of tvariables

ndb/src/kernel/blocks/ERROR_codes.txt

@@ -3,7 +3,7 @@ Next NDBCNTR 1000
 Next NDBFS 2000
 Next DBACC 3001
 Next DBTUP 4007
-Next DBLQH 5036
+Next DBLQH 5040
 Next DBDICT 6006
 Next DBDIH 7173
 Next DBTC 8035
@@ -190,6 +190,10 @@ Delay execution of ABORTREQ signal 2 seconds to generate time-out.
 
 5035: Delay ACC_CONTOPCONT
 
+5038: Drop LQHKEYREQ + set 5039
+5039: Drop ABORT + set 5003
+
+
 ERROR CODES FOR TESTING TIME-OUT HANDLING IN DBTC
 -------------------------------------------------
 8040:

ndb/src/kernel/blocks/dblqh/DblqhInit.cpp

@@ -324,6 +324,31 @@ Dblqh::Dblqh(const class Configuration & conf):
   addRecSignal(GSN_TUX_ADD_ATTRREF, &Dblqh::execTUX_ADD_ATTRREF);
 
   initData();
+
+#ifdef VM_TRACE
+  {
+    void* tmp[] = { 
+      &addfragptr,
+      &attrinbufptr,
+      &databufptr,
+      &fragptr,
+      &gcpPtr,
+      &lcpPtr,
+      &lcpLocptr,
+      &logPartPtr,
+      &logFilePtr,
+      &lfoPtr,
+      &logPagePtr,
+      &pageRefPtr,
+      &scanptr,
+      &tabptr,
+      &tcConnectptr,
+      &tcNodeFailptr,
+    }; 
+    init_globals_list(tmp, sizeof(tmp)/sizeof(tmp[0]));
+  }
+#endif
+  
 }//Dblqh::Dblqh()
 
 Dblqh::~Dblqh() 

ndb/src/kernel/blocks/dblqh/DblqhMain.cpp

@@ -3190,6 +3190,13 @@ void Dblqh::execLQHKEYREQ(Signal* signal)
     noFreeRecordLab(signal, lqhKeyReq, ZNO_TC_CONNECT_ERROR);
     return;
   }//if
+
+  if(ERROR_INSERTED(5038) && 
+     refToNode(signal->getSendersBlockRef()) != getOwnNodeId()){
+    jam();
+    SET_ERROR_INSERT_VALUE(5039);
+    return;
+  }
   
   c_Counters.operations++;
 
@@ -3567,6 +3574,7 @@ void Dblqh::prepareContinueAfterBlockedLab(Signal* signal)
 /* -------------------------------------------------------------------------- */
 /*       ALSO AFTER NORMAL PROCEDURE WE CONTINUE HERE                         */
 /* -------------------------------------------------------------------------- */
+  Uint32 tc_ptr_i = tcConnectptr.i;
   TcConnectionrec * const regTcPtr = tcConnectptr.p;
   if (regTcPtr->indTakeOver == ZTRUE) {
     jam();
@@ -3670,14 +3678,14 @@ void Dblqh::prepareContinueAfterBlockedLab(Signal* signal)
   EXECUTE_DIRECT(refToBlock(regTcPtr->tcAccBlockref), GSN_ACCKEYREQ, 
 		 signal, 7 + regTcPtr->primKeyLen);
   if (signal->theData[0] < RNIL) {
-    signal->theData[0] = tcConnectptr.i;
+    signal->theData[0] = tc_ptr_i;
     execACCKEYCONF(signal);
     return;
   } else if (signal->theData[0] == RNIL) {
     ;
   } else {
     ndbrequire(signal->theData[0] == (UintR)-1);
-    signal->theData[0] = tcConnectptr.i;
+    signal->theData[0] = tc_ptr_i;
     execACCKEYREF(signal);
   }//if
   return;
@@ -5692,9 +5700,7 @@ void Dblqh::execABORT(Signal* signal)
   BlockReference tcBlockref = signal->theData[1];
   Uint32 transid1 = signal->theData[2];
   Uint32 transid2 = signal->theData[3];
-  if (ERROR_INSERTED(5003)) {
-    systemErrorLab(signal);
-  }
+  CRASH_INSERTION(5003);
   if (ERROR_INSERTED(5015)) {
     CLEAR_ERROR_INSERT_VALUE;
     sendSignalWithDelay(cownref, GSN_ABORT, signal, 2000, 4);
@@ -5704,6 +5710,21 @@ void Dblqh::execABORT(Signal* signal)
                       transid2,
                       tcOprec) != ZOK) {
     jam();
+
+    if(ERROR_INSERTED(5039) && 
+       refToNode(signal->getSendersBlockRef()) != getOwnNodeId()){
+      jam();
+      SET_ERROR_INSERT_VALUE(5040);
+      return;
+    }
+
+    if(ERROR_INSERTED(5040) && 
+       refToNode(signal->getSendersBlockRef()) != getOwnNodeId()){
+      jam();
+      SET_ERROR_INSERT_VALUE(5003);
+      return;
+    }
+    
 /* ------------------------------------------------------------------------- */
 // SEND ABORTED EVEN IF NOT FOUND.
 //THE TRANSACTION MIGHT NEVER HAVE ARRIVED HERE.
@@ -10618,6 +10639,8 @@ void Dblqh::execEND_LCPCONF(Signal* signal)
       clcpCompletedState = LCP_IDLE;
     }//if
   }//if
+  lcpPtr.i = 0;
+  ptrAss(lcpPtr, lcpRecord);
   sendLCP_COMPLETE_REP(signal, lcpPtr.p->currentFragment.lcpFragOrd.lcpId);
 }//Dblqh::execEND_LCPCONF()
 

ndb/src/kernel/blocks/dbtc/DbtcInit.cpp

@@ -293,6 +293,23 @@ Dbtc::Dbtc(const class Configuration & conf):
   addRecSignal(GSN_ALTER_TAB_REQ, &Dbtc::execALTER_TAB_REQ);
 
   initData();
+  
+#ifdef VM_TRACE
+  {
+    void* tmp[] = { &apiConnectptr, 
+		    &tcConnectptr,
+		    &cachePtr,
+		    &attrbufptr,
+		    &hostptr,
+		    &gcpPtr,
+		    &tmpApiConnectptr,
+		    &timeOutptr,
+		    &scanFragptr,
+		    &databufptr,
+		    &tmpDatabufptr }; 
+    init_globals_list(tmp, sizeof(tmp)/sizeof(tmp[0]));
+  }
+#endif
 }//Dbtc::Dbtc()
 
 Dbtc::~Dbtc() 
@@ -348,5 +365,3 @@ Dbtc::~Dbtc()
 
 BLOCK_FUNCTIONS(Dbtc);
 
-
-