[PATCH] LIT: Support cancellation on Windows

[Reid Kleckner]

  LGTM

  Cool, I'm curious to see how this will work.


================
Comment at: utils/lit/lit/main.py:366
@@ +365,3 @@
+      win32api.SetConsoleCtrlHandler(console_ctrl_handler, True)
+    except ImportError:
+      pass
----------------
In Python, you can wrap the piece you expect to fail more precisely like so:

  try:
    import win32api
  except ImportError:
    pass
  else:
    def ...

This avoids catching ImportErrors from other code.


http://llvm-reviews.chandlerc.com/D1172

BRANCH
  arc/lit-win-cancel

ARCANIST PROJECT
  llvm