#!/usr/bin/python26                                                             
# kevent proc demo - luis peralta                                               
# http://www.ziritione.org                                                      
#                                                                               
# tested on python 2.6 % freebsd 7.2                                            

import sys
import select

if __name__ == '__main__':
    print sys.argv
    kq = select.kqueue()
    ke = select.kevent(int(sys.argv[1]),
                       select.KQ_FILTER_PROC,
                       select.KQ_EV_ADD|select.KQ_EV_ADD,
                       select.KQ_NOTE_FORK|select.KQ_NOTE_EXEC|select.KQ_NOTE_TRACK, select.KQ_NOTE_EXIT)
    events = kq.control([ke], 0, 0)
    while True:
        events = kq.control([], 1, 0)
        if len(events) > 0:
            for event in events:
                if event.fflags & select.KQ_NOTE_FORK:
                    print event.ident, "forked"
                if event.fflags & select.KQ_NOTE_EXEC:
                    print event.ident, "called exec"
                if event.fflags & select.KQ_NOTE_EXIT:
                    print event.ident, "exited"
                if event.fflags & select.KQ_NOTE_CHILD:
                    print event.ident, "is child, parent ", event.data