--- old/src/os/bsd/vm/os_bsd.cpp	Thu Mar 13 20:53:23 2014
+++ new/src/os/bsd/vm/os_bsd.cpp	Thu Mar 13 20:53:22 2014
@@ -3277,7 +3277,7 @@
 
 
 #define DO_SIGNAL_CHECK(sig) \
-  if (!sigismember(&check_signal_done, sig)) \
+  if (!sigismember(&check_signal_done, sig) && (sig != SIGINT || isatty(fileno(stdin)))) \
     os::Bsd::check_signal_handler(sig)
 
 // This method is a periodic task to check for misbehaving JNI applications