interrupt windows subprocesses with CTRL-C instead of SIGINT

CTRL_C_EVENT is new in 2.7

IPython/parallel/apps/launcher.py

@@ -25,6 +25,7 b' from signal import SIGINT, SIGTERM'
 try:
     from signal import SIGKILL
 except ImportError:
+    # windows
     SIGKILL=SIGTERM
 
 from subprocess import Popen, PIPE, STDOUT
@@ -60,6 +61,14 b' except ImportError:'
     pass
 
 WINDOWS = os.name == 'nt'
+
+if WINDOWS:
+    try:
+        # >= 2.7, 3.2
+        from signal import CTRL_C_EVENT as SIGINT
+    except ImportError:
+        pass
+
 #-----------------------------------------------------------------------------
 # Paths to the kernel apps
 #-----------------------------------------------------------------------------