Merge pull request #3075 from ivanov/sigusr1-windows

check for SIGUSR1 before using it, closes #3074
13 years ago · 0e7aeb29f2
parent b218a55a5d 9ca886dc11
commit 0e7aeb29f2
1 changed files with 3 additions and 1 deletions
--- a/IPython/frontend/html/notebook/notebookapp.py
+++ b/IPython/frontend/html/notebook/notebookapp.py
@ -550,7 +550,9 @@ class NotebookApp(BaseIPythonApplication):
            # but it will work
            signal.signal(signal.SIGINT, self._handle_sigint)
        signal.signal(signal.SIGTERM, self._signal_stop)
-        signal.signal(signal.SIGUSR1, self._signal_info)
+        if hasattr(signal, 'SIGUSR1'):
+            # Windows doesn't support SIGUSR1
+            signal.signal(signal.SIGUSR1, self._signal_info)
        if hasattr(signal, 'SIGINFO'):
            # only on BSD-based systems
            signal.signal(signal.SIGINFO, self._signal_info)