Issue #19850: asyncio: Set SA_RESTART when registering a signal handler to

cf-natali · cf-natali · commit 74e7cf3f4664 · 2013-12-05T22:47:19.000+01:00
limit EINTR occurrences.
diff --git a/Lib/asyncio/unix_events.py b/Lib/asyncio/unix_events.py
@@ -74,6 +74,8 @@ def add_signal_handler(self, sig, callback, *args):
 
         try:
             signal.signal(sig, self._handle_signal)
+            # Set SA_RESTART to limit EINTR occurrences.
+            signal.siginterrupt(sig, False)
         except OSError as exc:
             del self._signal_handlers[sig]
             if not self._signal_handlers:
