#!/bin/env python

import sys, signal

def dec2bin(N):
    binary = ''
    while N:
        N, r = divmod(N,2)
        binary = str(r) + binary
    return binary

def sigmask(binary):
    """Take a string representation of a binary number and return the signals associated with each bit.
       E.g. '10101' => ['SIGHUP','SIGQUIT','SIGTRAP']
            This is because SIGHUP is 1, SIGQUIT is 3 and SIGTRAP is 5
    """
    sigmap = dict([ (getattr(signal, sig), sig) for sig in dir(signal) if (sig.startswith('SIG') and '_' not in sig) ])
    signals = [ sigmap.get(n+1,str(n+1)) for n, bit in enumerate(reversed(binary)) if bit == '1' ]
    return signals

if __name__ == '__main__':

    if sys.argv[1].startswith('0x'):
        N = int(sys.argv[1], 16)
    else:
        N = int(sys.argv[1])
    
    binstr = dec2bin(N)
    print '"%s" (0x%x,%d) => %s; %s' % (sys.argv[1], N, N, binstr, ','.join(sigmask(binstr)) )