diff -r 5e18f6e39006 -r 2cccaf937a7a mercurial/crecord.py
--- a/mercurial/crecord.py	Fri Jul 17 00:22:16 2015 +0900
+++ b/mercurial/crecord.py	Wed Jul 15 20:39:23 2015 -0700
@@ -482,7 +482,10 @@
     """
     ui.write(_('starting interactive selection\n'))
     chunkselector = curseschunkselector(headerlist, ui)
+    f = signal.getsignal(signal.SIGTSTP)
     curses.wrapper(chunkselector.main)
+    # ncurses does not restore signal handler for SIGTSTP
+    signal.signal(signal.SIGTSTP, f)
 
 def testdecorator(testfn, f):
     def u(*args, **kwargs):