SimGrid  3.16
Versatile Simulation of Distributed Systems
examples/msg/process-kill/process-kill.c
/* Copyright (c) 2007, 2009-2016. 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/msg.h"
XBT_LOG_NEW_DEFAULT_CATEGORY(msg_process_kill, "Messages specific for this msg example");
static int victim(int argc, char *argv[])
{
XBT_INFO("Hello!");
XBT_INFO("Suspending myself");
MSG_process_suspend(MSG_process_self()); /* - First suspend itself */
XBT_INFO("OK, OK. Let's work"); /* - Then is resumed and start to execute a task */
MSG_task_execute(MSG_task_create("work", 1e9, 0, NULL));
XBT_INFO("Bye!"); /* - But will never reach the end of it */
return 0;
}
static int killer(int argc, char *argv[])
{
XBT_INFO("Hello!"); /* - First start a victim process */
msg_process_t poor_victim = MSG_process_create("victim", victim, NULL, MSG_host_by_name("Fafard"));
XBT_INFO("Resume process"); /* - Resume it from its suspended state */
MSG_process_resume(poor_victim);
XBT_INFO("Kill process"); /* - and then kill it */
MSG_process_kill(poor_victim);
XBT_INFO("OK, goodbye now. I commit a suicide.");
XBT_INFO("This line will never get displayed: I'm already dead since the previous line.");
return 0;
}
int main(int argc, char *argv[])
{
MSG_init(&argc, argv);
xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s msg_platform.xml\n", argv[0], argv[0]);
MSG_create_environment(argv[1]); /* - Load the platform description */
/* - Create and deploy killer process, that will create the victim process */
MSG_process_create("killer", killer, NULL, MSG_host_by_name("Tremblay"));
msg_error_t res = MSG_main(); /* - Run the simulation */
XBT_INFO("Simulation time %g", MSG_get_clock());
return res != MSG_OK;
}