bk commit into 4.1 tree (jonas:1.2485)

[jonas]

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ChangeSet
  1.2485 06/03/31 16:36:43 jonas@stripped +2 -0
  ndb - add support for blocking/unblocking GCP using WAIT_GCP_REQ

  ndb/src/kernel/blocks/dbdih/DbdihMain.cpp
    1.36 06/03/31 16:36:41 jonas@stripped +28 -0
    Add supprt for block/unblocking GCP

  ndb/include/kernel/signaldata/WaitGCP.hpp
    1.2 06/03/31 16:36:41 jonas@stripped +5 -2
    Add supprt for block/unblocking GCP

# 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

--- 1.1/ndb/include/kernel/signaldata/WaitGCP.hpp	2004-04-14 10:23:56 +02:00
+++ 1.2/ndb/include/kernel/signaldata/WaitGCP.hpp	2006-03-31 16:36:41 +02:00
@@ -46,7 +46,9 @@
     Complete = 1,           ///< Wait for a GCP to complete
     CompleteForceStart = 2, ///< Wait for a GCP to complete start one if needed
     CompleteIfRunning = 3,  ///< Wait for ongoing GCP
-    CurrentGCI        = 8   ///< Immediately return current GCI
+    CurrentGCI        = 8,  ///< Immediately return current GCI
+    BlockStartGcp     = 9,
+    UnblockStartGcp   = 10
   };
 
   Uint32 senderRef;
@@ -70,11 +72,12 @@
   //friend class Grep::PSCoord;
 
 public:
-  STATIC_CONST( SignalLength = 2 );
+  STATIC_CONST( SignalLength = 3 );
   
 public:
   Uint32 senderData;
   Uint32 gcp;
+  Uint32 blockStatus;
 };
 
 class WaitGCPRef {

--- 1.35/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp	2006-03-22 11:44:29 +01:00
+++ 1.36/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp	2006-03-31 16:36:41 +02:00
@@ -14160,11 +14160,36 @@
     jam();
     conf->senderData = senderData;
     conf->gcp = cnewgcp;
+    conf->blockStatus = cgcpOrderBlocked;
     sendSignal(senderRef, GSN_WAIT_GCP_CONF, signal, 
 	       WaitGCPConf::SignalLength, JBB);
     return;
   }//if
 
+  if (requestType == WaitGCPReq::BlockStartGcp)
+  {
+    jam();
+    conf->senderData = senderData;
+    conf->gcp = cnewgcp;
+    conf->blockStatus = cgcpOrderBlocked;
+    sendSignal(senderRef, GSN_WAIT_GCP_CONF, signal, 
+	       WaitGCPConf::SignalLength, JBB);
+    cgcpOrderBlocked = 1;
+    return;
+  }
+
+  if (requestType == WaitGCPReq::UnblockStartGcp)
+  {
+    jam();
+    conf->senderData = senderData;
+    conf->gcp = cnewgcp;
+    conf->blockStatus = cgcpOrderBlocked;
+    sendSignal(senderRef, GSN_WAIT_GCP_CONF, signal, 
+	       WaitGCPConf::SignalLength, JBB);
+    cgcpOrderBlocked = 0;
+    return;
+  }
+  
   if(isMaster()) {
     /**
      * Master
@@ -14176,6 +14201,7 @@
       jam();
       conf->senderData = senderData;
       conf->gcp = coldgcp;
+      conf->blockStatus = cgcpOrderBlocked;
       sendSignal(senderRef, GSN_WAIT_GCP_CONF, signal, 
 		 WaitGCPConf::SignalLength, JBB);
       return;
@@ -14262,6 +14288,7 @@
 
   conf->senderData = ptr.p->clientData;
   conf->gcp = gcp;
+  conf->blockStatus = cgcpOrderBlocked;
   sendSignal(ptr.p->clientRef, GSN_WAIT_GCP_CONF, signal,
 	     WaitGCPConf::SignalLength, JBB);
   
@@ -14329,6 +14356,7 @@
 
     c_waitGCPMasterList.next(ptr);    
     conf->senderData = clientData;
+    conf->blockStatus = cgcpOrderBlocked;
     sendSignal(clientRef, GSN_WAIT_GCP_CONF, signal,
 	       WaitGCPConf::SignalLength, JBB);