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# 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 victim_a_fun():
this_actor.on_exit(lambda: this_actor.info("I have been killed!"))
this_actor.info("Hello!")
this_actor.info("Suspending myself")
this_actor.suspend() # - Start by suspending itself
# - Then is resumed and start to execute a task
this_actor.info("OK, OK. Let's work")
this_actor.execute(1e9)
# - But will never reach the end of it
this_actor.info("Bye!")
def victim_b_fun():
this_actor.info("Terminate before being killed")
def killer():
this_actor.info("Hello!") # - First start a victim process
victim_a = Actor.create("victim A", Host.by_name("Fafard"), victim_a_fun)
victim_b = Actor.create("victim B", Host.by_name("Jupiter"), victim_b_fun)
this_actor.sleep_for(10) # - Wait for 10 seconds
# - Resume it from its suspended state
this_actor.info("Resume the victim A")
victim_a.resume()
this_actor.sleep_for(2)
this_actor.info("Kill the victim A") # - and then kill it
Actor.by_pid(victim_a.pid).kill() # You can retrieve an actor from its PID (and then kill it)
this_actor.sleep_for(1)
# that's a no-op, there is no zombies in SimGrid
this_actor.info("Kill victim B, even if it's already dead")
victim_b.kill()
this_actor.sleep_for(1)
this_actor.info("Start a new actor, and kill it right away")
victim_c = Actor.create("victim C", Host.by_name("Jupiter"), victim_a_fun)
victim_c.kill()
this_actor.sleep_for(1)
this_actor.info("Killing everybody but myself")
Actor.kill_all()
this_actor.info("OK, goodbye now. I commit a suicide.")
this_actor.exit()
this_actor.info(
"This line never gets displayed: I'm already dead since the previous line.")
if __name__ == '__main__':
e = Engine(sys.argv)
if len(sys.argv) < 2:
raise AssertionError(
"Usage: actor-kill.py platform_file [other parameters]")
e.load_platform(sys.argv[1]) # Load the platform description
# Create and deploy killer process, that will create the victim actors
Actor.create("killer", Host.by_name("Tremblay"), killer)
e.run()
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