-foreach (example actor-create actor-daemon actor-join actor-kill actor-lifetime actor-migration actor-suspend actor-yield
+foreach (example actor-create actor-daemon actor-join actor-kill actor-kill-pid
+ actor-lifetime actor-migration actor-suspend actor-yield
app-chainsend app-masterworker app-pingpong app-token-ring
async-wait async-waitany async-waitall
cloud-capping cloud-migration cloud-simple
${CMAKE_CURRENT_SOURCE_DIR}/replay-storage/s4u-replay-storage.txt
${CMAKE_CURRENT_SOURCE_DIR}/README.doc PARENT_SCOPE)
-foreach(example actor-create actor-daemon actor-join actor-kill actor-lifetime actor-migration actor-suspend actor-yield
+foreach(example actor-create actor-daemon actor-join actor-kill actor-kill-pid
+ actor-lifetime actor-migration actor-suspend actor-yield
app-bittorrent app-chainsend app-masterworker app-pingpong app-token-ring
async-wait async-waitall async-waitany
cloud-capping cloud-migration cloud-simple
- <b>Kill actors</b>.
@ref examples/s4u/actor-kill/s4u-actor-kill.cpp \n
Actors can forcefully stop other actors with the @ref
- simgrid::s4u::Actor::kill() method.
+ simgrid::s4u::Actor::kill(void) method.
+
+ - <b>Kill actors (other function)</b>.
+ @ref examples/s4u/actor-kill-pid/s4u-actor-kill-pid.cpp \n
+ Actors can forcefully stop other actors with the @ref
+ simgrid::s4u::Actor::kill(aid_t) method.
- <b>Controling the actor life cycle from the XML</b>.
@ref examples/s4u/actor-lifetime/s4u-actor-lifetime.cpp
@example examples/platforms/energy_platform.xml
@example examples/platforms/prop.xml
-*/
\ No newline at end of file
+*/
--- /dev/null
+/* Copyright (c) 2017 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. */
+
+#include <simgrid/s4u.hpp>
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor_kill_pid, "Messages specific for this s4u example");
+
+static int on_exit(void*, void*)
+{
+ XBT_INFO("I have been killed!");
+ return 0;
+}
+
+static void victimA_fun()
+{
+ simgrid::s4u::this_actor::onExit(on_exit, nullptr);
+ XBT_INFO("Hello!");
+ XBT_INFO("Suspending myself");
+ simgrid::s4u::this_actor::suspend(); /* - Start by suspending itself */
+ XBT_INFO("OK, OK. Let's work"); /* - Then is resumed and start to execute a task */
+ simgrid::s4u::this_actor::execute(1e9);
+ XBT_INFO("Bye!"); /* - But will never reach the end of it */
+}
+
+static void victimB_fun()
+{
+ XBT_INFO("Terminate before being killed");
+}
+
+static void killer()
+{
+ XBT_INFO("Hello!"); /* - First start a victim process */
+ simgrid::s4u::ActorPtr victimA =
+ simgrid::s4u::Actor::createActor("victim A", simgrid::s4u::Host::by_name("Fafard"), victimA_fun);
+ simgrid::s4u::ActorPtr victimB =
+ simgrid::s4u::Actor::createActor("victim B", simgrid::s4u::Host::by_name("Jupiter"), victimB_fun);
+ simgrid::s4u::this_actor::sleep_for(10); /* - Wait for 10 seconds */
+
+ XBT_INFO("Resume the victim A"); /* - Resume it from its suspended state */
+ victimA->resume();
+ simgrid::s4u::this_actor::sleep_for(2);
+
+ aid_t pidA = victimA->getPid();
+ XBT_INFO("Kill the victim A (pid=%lu)", pidA); /* - and then kill it */
+ simgrid::s4u::Actor::kill(pidA);
+
+ aid_t pidB = victimB->getPid();
+ XBT_INFO("Kill victimB (pid=%lu), even if it's already dead", pidB); /* that's a no-op, there is no zombies in SimGrid */
+ try
+ {
+ simgrid::s4u::Actor::kill(pidB);
+ }
+ catch (const std::runtime_error &)
+ {}
+ simgrid::s4u::this_actor::sleep_for(1);
+
+ XBT_INFO("Killing everybody but myself");
+ simgrid::s4u::Actor::killAll();
+
+ aid_t pidMe = simgrid::s4u::this_actor::getPid();
+ XBT_INFO("OK, goodbye now. I commit a suicide (pid=%lu).", pidMe);
+ simgrid::s4u::Actor::kill(pidMe);
+
+ XBT_INFO("This line will never get displayed: I'm already dead since the previous line.");
+}
+
+int main(int argc, char* argv[])
+{
+ simgrid::s4u::Engine e(&argc, argv);
+ xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s msg_platform.xml\n", argv[0], argv[0]);
+
+ e.loadPlatform(argv[1]); /* - Load the platform description */
+ /* - Create and deploy killer process, that will create the victim actors */
+ simgrid::s4u::Actor::createActor("killer", simgrid::s4u::Host::by_name("Tremblay"), killer);
+
+ e.run(); /* - Run the simulation */
+
+ XBT_INFO("Simulation time %g", e.getClock());
+
+ return 0;
+}
--- /dev/null
+#!/usr/bin/env tesh
+
+$ $SG_TEST_EXENV ${bindir:=.}/s4u-actor-kill-pid ${platfdir}/small_platform.xml "--log=root.fmt:[%10.6r]%e(%P@%h)%e%m%n"
+>[ 0.000000] (killer@Tremblay) Hello!
+>[ 0.000000] (victim A@Fafard) Hello!
+>[ 0.000000] (victim A@Fafard) Suspending myself
+>[ 0.000000] (victim B@Jupiter) Terminate before being killed
+>[ 10.000000] (killer@Tremblay) Resume the victim A
+>[ 10.000000] (victim A@Fafard) OK, OK. Let's work
+>[ 12.000000] (killer@Tremblay) Kill the victim A (pid=2)
+>[ 12.000000] (killer@Tremblay) Kill victimB (pid=3), even if it's already dead
+>[ 13.000000] (killer@Tremblay) Killing everybody but myself
+>[ 13.000000] (victim A@Fafard) I have been killed!
+>[ 13.000000] (killer@Tremblay) OK, goodbye now. I commit a suicide (pid=1).
+>[ 13.000000] (maestro@) Simulation time 13
else:
raise "This program is expected to run with Python3 only"
-
-
##############
#
# Utilities
#py2
FileNotFoundError = OSError
+##############
+#
+# Cleanup on signal
+#
+#
+
+# Global variable. Stores which process group should be killed (or -1 if none)
+pgtokill = -1
+
+def kill_process_group(pgid):
+ # print("Kill process group {}".format(pgid))
+ os.killpg(pgid, signal.SIGTERM)
+
+def signal_handler(signal, frame):
+ print("Caught signal {}".format(SIGNALS_TO_NAMES_DICT[signal]))
+ if pgtokill != -1:
+ kill_process_group(pgtokill)
+ tesh_exit(5)
+
+
##############
#
args = shlex.split(self.args)
#print (args)
+ global pgtokill
+
try:
proc = subprocess.Popen(args, bufsize=1, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True, preexec_fn=os.setsid)
+ pgtokill = os.getpgid(proc.pid)
except FileNotFoundError:
print("["+FileReader().filename+":"+str(self.linenumber)+"] Cannot start '"+args[0]+"': File not found")
tesh_exit(3)
cmdName = FileReader().filename+":"+str(self.linenumber)
try:
(stdout_data, stderr_data) = proc.communicate("\n".join(self.input_pipe), self.timeout)
+ pgtokill = -1
except subprocess.TimeoutExpired:
print("Test suite `"+FileReader().filename+"': NOK (<"+cmdName+"> timeout after "+str(self.timeout)+" sec)")
- os.killpg(os.getpgid(proc.pid), signal.SIGKILL)
+ kill_process_group(pgtokill)
tesh_exit(3)
if self.output_display:
if __name__ == '__main__':
+ signal.signal(signal.SIGINT, signal_handler)
+ signal.signal(signal.SIGTERM, signal_handler)
parser = argparse.ArgumentParser(description='tesh -- testing shell', add_help=True)
group1 = parser.add_argument_group('Options')