SERVER-7352 do not try to exit cleanly in Windows exception handler

In Windows, exit after an access violation the same way we exit on other
platforms after a segfault; with ::_exit(EXIT_ABRUPT).

1 files changed, 4 insertions, 7 deletions

diff --git a/src/mongo/db/db.cpp b/src/mongo/db/db.cpp
index 3bee0908435..3c1daa278b9 100644
--- a/src/mongo/db/db.cpp
+++ b/src/mongo/db/db.cpp
@@ -1383,14 +1383,11 @@ namespace mongo {
         printWindowsStackTrace( *excPointers->ContextRecord );
         doMinidump(excPointers);
 
-        // In release builds, let dbexit() try to shut down cleanly
-#if !defined(_DEBUG)
-        dbexit( EXIT_UNCAUGHT, "unhandled exception" );
-#endif
+        // Don't go through normal shutdown procedure. It may make things worse.
+        log() << "*** immediate exit due to unhandled exception" << endl;
+        ::_exit(EXIT_ABRUPT);
 
-        // In debug builds, give debugger a chance to run
-        if( filtLast )
-            return filtLast( excPointers );
+        // We won't reach here
         return EXCEPTION_EXECUTE_HANDLER;
     }