1 files changed, 7 insertions, 7 deletions

diff --git a/src/mongo/shell/bench.cpp b/src/mongo/shell/bench.cpp
index 069af0ee7c7..9af842f3e6e 100644
--- a/src/mongo/shell/bench.cpp
+++ b/src/mongo/shell/bench.cpp
@@ -241,7 +241,7 @@ namespace mongo {
     }
 
     void BenchRunState::waitForState(State awaitedState) {
-        boost::mutex::scoped_lock lk(_mutex);
+        boost::lock_guard<boost::mutex> lk(_mutex);
 
         switch ( awaitedState ) {
         case BRS_RUNNING:
@@ -265,7 +265,7 @@ namespace mongo {
     }
 
     void BenchRunState::assertFinished() {
-        boost::mutex::scoped_lock lk(_mutex);
+        boost::lock_guard<boost::mutex> lk(_mutex);
         verify(0 == _numUnstartedWorkers + _numActiveWorkers);
     }
 
@@ -274,7 +274,7 @@ namespace mongo {
     }
 
     void BenchRunState::onWorkerStarted() {
-        boost::mutex::scoped_lock lk(_mutex);
+        boost::lock_guard<boost::mutex> lk(_mutex);
         verify( _numUnstartedWorkers > 0 );
         --_numUnstartedWorkers;
         ++_numActiveWorkers;
@@ -284,7 +284,7 @@ namespace mongo {
     }
 
     void BenchRunState::onWorkerFinished() {
-        boost::mutex::scoped_lock lk(_mutex);
+        boost::lock_guard<boost::mutex> lk(_mutex);
         verify( _numActiveWorkers > 0 );
         --_numActiveWorkers;
         if (_numActiveWorkers + _numUnstartedWorkers == 0) {
@@ -761,7 +761,7 @@ namespace mongo {
           _config(config) {
 
         _oid.init();
-        boost::mutex::scoped_lock lk(_staticMutex);
+        boost::lock_guard<boost::mutex> lk(_staticMutex);
          _activeRuns[_oid] = this;
      }
 
@@ -825,7 +825,7 @@ namespace mongo {
          }
 
          {
-             boost::mutex::scoped_lock lk(_staticMutex);
+             boost::lock_guard<boost::mutex> lk(_staticMutex);
              _activeRuns.erase( _oid );
          }
      }
@@ -836,7 +836,7 @@ namespace mongo {
      }
 
      BenchRunner* BenchRunner::get( OID oid ) {
-         boost::mutex::scoped_lock lk(_staticMutex);
+         boost::lock_guard<boost::mutex> lk(_staticMutex);
          return _activeRuns[ oid ];
      }