1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
# Copyright (c) 2017-2020. The SimGrid Team. All rights reserved.
#
# This program is free software you can redistribute it and/or modify it
# under the terms of the license (GNU LGPL) which comes with this package.
from simgrid import Actor, Engine, Host, this_actor
import sys
def worker():
"""The worker process, working for a while before leaving"""
this_actor.info("Let's do some work (for 10 sec on Boivin).")
this_actor.execute(980.95e6)
this_actor.info("I'm done now. I leave even if it makes the daemon die.")
def my_daemon():
"""The daemon, displaying a message every 3 seconds until all other processes stop"""
Actor.self().daemonize()
while True:
this_actor.info("Hello from the infinite loop")
this_actor.sleep_for(3.0)
this_actor.info(
"I will never reach that point: daemons are killed when regular processes are done")
if __name__ == '__main__':
e = Engine(sys.argv)
if len(sys.argv) < 2:
raise AssertionError(
"Usage: actor-daemon.py platform_file [other parameters]")
e.load_platform(sys.argv[1])
Actor.create("worker", Host.by_name("Boivin"), worker)
Actor.create("daemon", Host.by_name("Tremblay"), my_daemon)
e.run()
|
