From 24b57e3c6a1e5c00e10ee19803dd86d821ffebb2 Mon Sep 17 00:00:00 2001
From: Jeff Garzik <jgarzik@exmulti.com>
Date: Mon, 14 May 2012 12:33:34 -0400
Subject: Create CDBEnv::TxnBegin(), and use it in CDB::TxnBegin()

---
 src/db.h | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

(limited to 'src/db.h')

diff --git a/src/db.h b/src/db.h
index e2983e0787..aff5e367b4 100644
--- a/src/db.h
+++ b/src/db.h
@@ -50,6 +50,15 @@ public:
     void Flush(bool fShutdown);
     void CheckpointLSN(std::string strFile);
     void SetDetach(bool fDetachDB_) { fDetachDB = fDetachDB_; }
+
+    DbTxn *TxnBegin(DbTxn *baseTxn, int flags=DB_TXN_WRITE_NOSYNC)
+    {
+        DbTxn* ptxn = NULL;
+        int ret = dbenv.txn_begin(baseTxn, &ptxn, flags);
+        if (!ptxn || ret != 0)
+            return NULL;
+        return ptxn;
+    }
 };
 
 extern CDBEnv bitdb;
@@ -237,9 +246,8 @@ public:
     {
         if (!pdb)
             return false;
-        DbTxn* ptxn = NULL;
-        int ret = bitdb.dbenv.txn_begin(GetTxn(), &ptxn, DB_TXN_WRITE_NOSYNC);
-        if (!ptxn || ret != 0)
+        DbTxn* ptxn = bitdb.TxnBegin(GetTxn());
+        if (!ptxn)
             return false;
         vTxn.push_back(ptxn);
         return true;
-- 
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