bpo-37583: Add err 113 to support.get_socket_conn_refused_errs() (GH-14729)

Add error number 113 EHOSTUNREACH to get_socket_conn_refused_errs()
of test.support.
(cherry picked from commit 1ac2a83f30312976502fda042db5ce18d10ceec2)

Co-authored-by: Hai Shi <shihai1992@gmail.com>

diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
index e73c65bb9f346bbc937913ebd5f2568fed27b342..e4e0481d336ff45add2dfa8a219c804b5981638b 100644 (file)
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -1495,6 +1495,9 @@ def get_socket_conn_refused_errs():
         # bpo-31910: socket.create_connection() fails randomly
         # with EADDRNOTAVAIL on Travis CI
         errors.append(errno.EADDRNOTAVAIL)
+    if hasattr(errno, 'EHOSTUNREACH'):
+        # bpo-37583: The destination host cannot be reached
+        errors.append(errno.EHOSTUNREACH)
     if not IPV6_ENABLED:
         errors.append(errno.EAFNOSUPPORT)
     return errors