diff options
Diffstat (limited to 'sql/mysqld.cc')
-rw-r--r-- | sql/mysqld.cc | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/sql/mysqld.cc b/sql/mysqld.cc index 61980fa1887..7e0c8c7e775 100644 --- a/sql/mysqld.cc +++ b/sql/mysqld.cc @@ -1300,8 +1300,21 @@ static void set_ports() { // Get port if not from commandline struct servent *serv_ptr; mysqld_port= MYSQL_PORT; + + /* + if builder specifically requested a default port, use that + (even if it coincides with our factory default). + only if they didn't do we check /etc/services (and, failing + on that, fall back to the factory default of 3306). + either default can be overridden by the environment variable + MYSQL_TCP_PORT, which in turn can be overridden with command + line options. + */ + +#if MYSQL_PORT_DEFAULT == 0 if ((serv_ptr= getservbyname("mysql", "tcp"))) mysqld_port= ntohs((u_short) serv_ptr->s_port); /* purecov: inspected */ +#endif if ((env = getenv("MYSQL_TCP_PORT"))) mysqld_port= (uint) atoi(env); /* purecov: inspected */ } @@ -5399,7 +5412,13 @@ Disable with --skip-ndbcluster (will save memory).", {"pid-file", OPT_PID_FILE, "Pid file used by safe_mysqld.", (gptr*) &pidfile_name_ptr, (gptr*) &pidfile_name_ptr, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, - {"port", 'P', "Port number to use for connection.", (gptr*) &mysqld_port, + {"port", 'P', "Port number to use for connection or 0 for default to, in " + "order of preference, my.cnf, $MYSQL_TCP_PORT, " +#if MYSQL_PORT_DEFAULT == 0 + "/etc/services, " +#endif + "built-in default (" STRINGIFY_ARG(MYSQL_PORT) ").", + (gptr*) &mysqld_port, (gptr*) &mysqld_port, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"port-open-timeout", OPT_PORT_OPEN_TIMEOUT, "Maximum time in seconds to wait for the port to become free. " |