SERVER-36913 Add functionality to LockManager for repl state transitions with prepared transactions.

1 files changed, 20 insertions, 0 deletions

diff --git a/src/mongo/db/concurrency/locker.h b/src/mongo/db/concurrency/locker.h
index 29b0ca9d364..07e45d052c5 100644
--- a/src/mongo/db/concurrency/locker.h
+++ b/src/mongo/db/concurrency/locker.h
@@ -366,6 +366,26 @@ public:
     virtual void restoreLockState(const LockSnapshot& stateToRestore) = 0;
 
     /**
+     * Works like restoreLockState but for any global locks in the state to restore, rather than
+     * restoring them into the true global lock resource owned by the LockManager,
+     * restores the global locks into the TemporaryResourceQueue for the global resource that is
+     * provided.  Locks on resources other than the global lock are restored to their true
+     * LockManager-owned resource objects.
+     */
+    virtual void restoreLockStateWithTemporaryGlobalResource(
+        OperationContext* opCtx,
+        const LockSnapshot& stateToRestore,
+        LockManager::TemporaryResourceQueue* tempGlobalResource) = 0;
+
+    /**
+     * Atomically releases the global X lock from the true global resource managed by the
+     * LockManager and transfers the locks from the 'tempGlobalResource' into the true global
+     * resource.
+     */
+    virtual void replaceGlobalLockStateWithTemporaryGlobalResource(
+        LockManager::TemporaryResourceQueue* tempGlobalResource) = 0;
+
+    /**
      * Releases the ticket associated with the Locker. This allows locks to be held without
      * contributing to reader/writer throttling.
      */