MDEV-6536: make --bind=hostname to listen on both IPv6 and IPv4 addresses

Binding to a hostname now makes MariaDB server to listen on all addresses
that hostname resolves to.

Rebased to 10.6 by Daniel Black

Closes: #1668

1 files changed, 10 insertions, 1 deletions

diff --git a/include/mysql/psi/mysql_socket.h b/include/mysql/psi/mysql_socket.h
index aa85daaaab1..59489fabe25 100644
--- a/include/mysql/psi/mysql_socket.h
+++ b/include/mysql/psi/mysql_socket.h
@@ -75,6 +75,15 @@ struct st_mysql_socket
   /** The real socket descriptor. */
   my_socket fd;
 
+  /** Is this a Unix-domain socket? */
+  char is_unix_domain_socket;
+
+  /** Is this a socket opened for the extra port? */
+  char is_extra_port;
+
+  /** Address family of the socket. (See sa_family from struct sockaddr). */
+  unsigned short address_family;
+
   /**
     The instrumentation hook.
     Note that this hook is not conditionally defined,
@@ -105,7 +114,7 @@ typedef struct st_mysql_socket MYSQL_SOCKET;
 static inline MYSQL_SOCKET
 mysql_socket_invalid()
 {
-  MYSQL_SOCKET mysql_socket= {INVALID_SOCKET, NULL};
+  MYSQL_SOCKET mysql_socket= {INVALID_SOCKET, 0, 0, 0, NULL};
   return mysql_socket;
 }