!include my.cnf

[mysqld.1]
log-bin
log-slave-updates

[mysqld.2]
log-bin
log-slave-updates

[mysqld.3]
log-bin
log-slave-updates

[mysqld.4]
server-id=4
log-bin=server4-bin
log-slave-updates

[ENV]
SERVER_MYPORT_4=		@mysqld.4.port
SERVER_MYSOCK_4=		@mysqld.4.socket