Extend log message for unexpected socket() errors

Make sure the error code is included in the message logged for
unexpected socket creation errors in order to facilitate troubleshooting
on Windows.

(cherry picked from commit dc2e1dea864b89f8dbf6365b395d6d0e292e9888)

diff --git a/lib/isc/netmgr/netmgr.c b/lib/isc/netmgr/netmgr.c
index b946ede5bf90cc6fe063d86096c7d7c2b70e2596..9fc7a393312bae680d96fe142c4a84efb322e69e 100644 (file)
--- a/lib/isc/netmgr/netmgr.c
+++ b/lib/isc/netmgr/netmgr.c
@@ -2053,8 +2053,10 @@ isc__nm_socket(int domain, int type, int protocol, uv_os_sock_t *sockp) {
                        return (ISC_R_FAMILYNOSUPPORT);
                default:
                        strerror_r(socket_errno, strbuf, sizeof(strbuf));
-                       UNEXPECTED_ERROR(__FILE__, __LINE__,
-                                        "socket() failed: %s", strbuf);
+                       UNEXPECTED_ERROR(
+                               __FILE__, __LINE__,
+                               "socket() failed with error code %lu: %s",
+                               socket_errno, strbuf);
                        return (ISC_R_UNEXPECTED);
                }
        }