run multiple commands without subprocess/multiprocessing

import os, select, signal, subprocess, sys

CMD = 'tail -f /var/log/syslog'

def signal_cleanup(_signum, _frame):
    print '\nCLEANUP\n'
    sys.exit(0)

def main():
    hosts = ['localhost', 'localhost']

    # exit after a few seconds
    signal.signal(signal.SIGALRM, signal_cleanup)
    signal.alarm(10)

    procs = [
        subprocess.Popen(
            'ssh {} {}'.format(host, CMD),
            shell=True,
            stdout=subprocess.PIPE,
            )
        for host in hosts
    ]

    while True:
        inputs,_outputs,_excepts = select.select(
            [p.stdout for p in procs], [], [],
        )
        for fd in inputs:
            print fd.readline(),

    print 'done!'

if __name__=='__main__':
    main()