SERVER-27534 All writing operations must fail if the term changes.

This reapplies bc19d43f, which was reverted by ae50776b. It also adds
more test fixes.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/mongo/db/introspect.cpp b/src/mongo/db/introspect.cpp
index aa0cb13e2e9..c48ab2089eb 100644
--- a/src/mongo/db/introspect.cpp
+++ b/src/mongo/db/introspect.cpp
@@ -116,6 +116,11 @@ void profile(OperationContext* opCtx, NetworkOp op) {
     const string dbName(nsToDatabase(CurOp::get(opCtx)->getNS()));
 
     try {
+        // Even if the operation we are profiling was interrupted, we still want to output the
+        // profiler entry.  This lock guard will prevent lock acquisitions from throwing exceptions
+        // before we finish writing the entry.
+        UninterruptibleLockGuard noInterrupt(opCtx->lockState());
+
         bool acquireDbXLock = false;
         while (true) {
             std::unique_ptr<AutoGetDb> autoGetDb;