def stop(self): """ Stop the daemon """ if not os.path.isfile(self.pidfile): sys.stderr.write('Daemon not running\n') return lock_file = lock(self.pidfile) if lock_file: lock_file.close() sys.stderr.write('Daemon not running\n') return try: pid = int(open(self.pidfile).read()) except ValueError: sys.stderr.write('Can\'t stop daemon, bad value in file: %s\n' % self.pidfile) return # Try killing the daemon process try: while 1: os.kill(pid, SIGTERM) time.sleep(0.1) except OSError, err: err = str(err) if err.find("No such process") > 0: if os.path.exists(self.pidfile): os.unlink(self.pidfile) else: print str(err) sys.exit(1)
def start(self): """ Start the daemon """ lock_file = lock(self.pidfile) if not lock_file: sys.stderr.write('Daemon already running\n') sys.exit(1) # Start the daemon lock_file.close() self.daemonize() self.run()
#~ os.chdir('/') os.setsid() os.umask(0) # do second fork try: pid = os.fork() if pid > 0: # exit from second parent sys.exit(0) except OSError, e: sys.stderr.write("fork #2 failed: %d (%s)\n" % (e.errno, e.strerror)) sys.exit(1) lock_file = lock(self.pidfile) if not lock_file: sys.stderr.write('Can\'t lock file: %s\n' % self.pidfile) sys.exit(1) atexit.register(self.delpid) lock_file.truncate() lock_file.write('%i' % os.getpid()) lock_file.flush() # redirect standard file descriptors sys.stdout.flush() sys.stderr.flush() si = open(self.stdin, 'r') so = open(self.stdout, 'a+') se = open(self.stderr, 'a+', 0) os.dup2(si.fileno(), sys.stdin.fileno())
# decouple from parent environment #~ os.chdir('/') os.setsid() os.umask(0) # do second fork try: pid = os.fork() if pid > 0: # exit from second parent sys.exit(0) except OSError, e: sys.stderr.write("fork #2 failed: %d (%s)\n" % (e.errno, e.strerror)) sys.exit(1) lock_file = lock(self.pidfile) if not lock_file: sys.stderr.write('Can\'t lock file: %s\n' % self.pidfile) sys.exit(1) atexit.register(self.delpid) lock_file.truncate() lock_file.write('%i' % os.getpid()) lock_file.flush() # redirect standard file descriptors sys.stdout.flush() sys.stderr.flush() si = open(self.stdin, 'r') so = open(self.stdout, 'a+') se = open(self.stderr, 'a+', 0) os.dup2(si.fileno(), sys.stdin.fileno())