list all signal

print_signal.py

import signal

def handle_hup(sig, frame):
    print "get signal: %s"%sig

signal.signal(signal.SIGHUP, handle_hup)

if __name__ == '__main__':

    ign = signal.SIG_IGN
    dfl = signal.SIG_DFL
    print "SIG_IGN", ign
    print "SIG_DFL", dfl
    print "*" * 40

    for name in dir(signal):
        if name[:3] == 'SIG' and name[3] != '_':
            signum = getattr(signal, name)
            gsig = signal.getsignal(signum)

            print name, signum, gsig