From: Charles-François Natali <cf.natali@gmail.com>
Date: Thu, 5 Dec 2013 21:47:19 +0000 (+0100)
Subject: Issue #19850: asyncio: Set SA_RESTART when registering a signal handler to
X-Git-Tag: v3.4.0b2~331
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=74e7cf3f4664204927b2bd3dd9facc2ac7649715;p=python

Issue #19850: asyncio: Set SA_RESTART when registering a signal handler to
limit EINTR occurrences.
---

diff --git a/Lib/asyncio/unix_events.py b/Lib/asyncio/unix_events.py
index b611efd17d..eb3fb9f91c 100644
--- a/Lib/asyncio/unix_events.py
+++ b/Lib/asyncio/unix_events.py
@@ -74,6 +74,8 @@ class _UnixSelectorEventLoop(selector_events.BaseSelectorEventLoop):
 
         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: