From d6c77cd63ac0c541df5df1b9346d1ccb75ce40fd Mon Sep 17 00:00:00 2001
From: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Date: Mon, 24 Oct 2022 08:02:50 +0000
Subject: [PATCH] fix check on other platforms

---
 Lib/asyncio/selector_events.py                |  6 +++++-
 Lib/test/test_asyncio/test_selector_events.py | 17 +++++++++--------
 2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/Lib/asyncio/selector_events.py b/Lib/asyncio/selector_events.py
index 4b36c194cb3c3c..b96cc64f7d1772 100644
--- a/Lib/asyncio/selector_events.py
+++ b/Lib/asyncio/selector_events.py
@@ -33,7 +33,11 @@
 HAVE_SENDMSG = hasattr(socket.socket, 'sendmsg')
 
 if HAVE_SENDMSG:
-    SC_IOV_MAX = os.sysconf('SC_IOV_MAX')
+    try:
+        SC_IOV_MAX = os.sysconf('SC_IOV_MAX')
+    except OSError:
+        # Fallback to send
+        HAVE_SENDMSG = False
 
 def _test_selector_event(selector, fd, event):
     # Test if the selector is monitoring 'event' events
diff --git a/Lib/test/test_asyncio/test_selector_events.py b/Lib/test/test_asyncio/test_selector_events.py
index b20e4bce17c27c..8075312026342b 100644
--- a/Lib/test/test_asyncio/test_selector_events.py
+++ b/Lib/test/test_asyncio/test_selector_events.py
@@ -1,24 +1,25 @@
 """Tests for selector_events.py"""
 
 import collections
-import sys
 import selectors
 import socket
+import sys
 import unittest
+from asyncio import selector_events
 from unittest import mock
+
 try:
     import ssl
 except ImportError:
     ssl = None
 
 import asyncio
-from asyncio.selector_events import BaseSelectorEventLoop
-from asyncio.selector_events import _SelectorTransport
-from asyncio.selector_events import _SelectorSocketTransport
-from asyncio.selector_events import _SelectorDatagramTransport
+from asyncio.selector_events import (BaseSelectorEventLoop,
+                                     _SelectorDatagramTransport,
+                                     _SelectorSocketTransport,
+                                     _SelectorTransport)
 from test.test_asyncio import utils as test_utils
 
-
 MOCK_ANY = mock.ANY
 
 
@@ -746,7 +747,7 @@ def test_write_sendmsg_no_data(self):
         self.assertFalse(self.sock.sendmsg.called)
         self.assertEqual(list_to_buffer([b'data']), transport._buffer)
 
-    @unittest.skipUnless(hasattr(socket.socket, 'sendmsg'), 'no sendmsg')
+    @unittest.skipUnless(selector_events.HAVE_SENDMSG, 'no sendmsg')
     def test_write_sendmsg_full(self):
         data = memoryview(b'data')
         self.sock.sendmsg = mock.Mock()
@@ -759,7 +760,7 @@ def test_write_sendmsg_full(self):
         self.assertTrue(self.sock.sendmsg.called)
         self.assertFalse(self.loop.writers)
 
-    @unittest.skipUnless(hasattr(socket.socket, 'sendmsg'), 'no sendmsg')
+    @unittest.skipUnless(selector_events.HAVE_SENDMSG, 'no sendmsg')
     def test_write_sendmsg_partial(self):
 
         data = memoryview(b'data')