From d48a16161eac5f462e4e0b453dc9bdd9c5683070 Mon Sep 17 00:00:00 2001
From: dwight <dwight@10gen.com>
Date: Mon, 13 Sep 2010 08:31:28 -0400
Subject: [PATCH] for testing

---
 db/namespace.cpp | 6 +++---
 pch.h            | 8 ++++++++
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/db/namespace.cpp b/db/namespace.cpp
index b3ab3cbae51..682300a7dd8 100644
--- a/db/namespace.cpp
+++ b/db/namespace.cpp
@@ -133,8 +133,8 @@ namespace mongo {
         boost::filesystem::path nsPath = path();
         string pathString = nsPath.string();
         MMF::Pointer p;
-        if( MMF::exists(nsPath) ) { 
-			p = f.map(pathString.c_str());
+        if( MMF::exists(nsPath) ) {
+			p = f.mapWithOptions(pathString.c_str(), durable?MMF::READONLY:0);
             if( !p.isNull() ) {
                 len = f.length();
                 if ( len % (1024*1024) != 0 ){
@@ -148,7 +148,7 @@ namespace mongo {
 			massert( 10343 ,  "bad lenForNewNsFiles", lenForNewNsFiles >= 1024*1024 );
             maybeMkdir();
 			unsigned long long l = lenForNewNsFiles;
-			p = f.map(pathString.c_str(), l);
+			p = f.map(pathString.c_str(), l, durable?MMF::READONLY:0);
             if( !p.isNull() ) {
                 len = l;
                 assert( len == lenForNewNsFiles );
diff --git a/pch.h b/pch.h
index a6b4b63c0b7..f2c623fd883 100644
--- a/pch.h
+++ b/pch.h
@@ -93,6 +93,14 @@
 
 namespace mongo {
 
+    /* this likely goes away later. to facilitate testing for a while without impacting other things. */
+#if defined(_DURABLE)
+    const bool durable = true;
+#error don't use this yet
+#else
+    const bool durable = false;
+#endif
+
     using namespace std;
     using boost::shared_ptr;