#!/usr/bin/env python3.6
import ctypes as ct
import argparse

#Load Libc
libc = ct.cdll.LoadLibrary("libc.so.6")
#typedef
#see elixir.bootlin.com to find type of pid_t
PID_T = ct.c_int

def kill(pid, sig):
    #see man 2 kill for information on the function
    kilsc = libc.kill
    #Always define arg and res types
    #Saves a lot of headaches
    kilsc.argtypes = [PID_T, ct.c_int]
    kilsc.restype = ct.c_int
    ret = kilsc(pid, sig)
    if ret < 0:
        print("FAILED")
        exit()

def main():
    #Quick argparse setup
    parser = argparse.ArgumentParser(description="Kill in python")
    parser.add_argument("pid", type=int, help="Process")
    parser.add_argument("sig", type=int, help="Signal to send")
    args = parser.parse_args()
    kill(args.pid, args.sig)

if __name__ == "__main__":
    main()