Port #1220212 (os.kill for Win32) to py3k.
diff --git a/Doc/library/signal.rst b/Doc/library/signal.rst
index c6a3fe4..45b78a2 100644
--- a/Doc/library/signal.rst
+++ b/Doc/library/signal.rst
@@ -74,6 +74,20 @@
    the system are defined by this module.
 
 
+.. data:: CTRL_C_EVENT
+
+   The signal corresponding to the CTRL+C keystroke event.
+
+   Availability: Windows.
+
+
+.. data:: CTRL_BREAK_EVENT
+
+   The signal corresponding to the CTRL+BREAK keystroke event.
+
+   Availability: Windows.
+
+
 .. data:: NSIG
 
    One more than the number of the highest signal number.