SimGrid  3.18
Versatile Simulation of Distributed Systems
examples/s4u/actor-yield/s4u-actor-yield.cpp
/* 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"
/* This example does not much: It just spans over-polite actor that yield a large amount
* of time before ending.
*
* This serves as an example for the simgrid::s4u::this_actor::yield() function, with which an actor can request
* to be rescheduled after the other actor that are ready at the current timestamp.
*
* It can also be used to benchmark our context-switching mechanism.
*/
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor_yield, "Messages specific for this s4u example");
/* Main function of the Yielder process */
class yielder {
long number_of_yields;
public:
explicit yielder(std::vector<std::string> args) { number_of_yields = std::stod(args[1]); }
void operator()()
{
for (int i = 0; i < number_of_yields; i++)
XBT_INFO("I yielded %ld times. Goodbye now!", number_of_yields);
}
};
int main(int argc, char* argv[])
{
simgrid::s4u::Engine e(&argc, argv);
xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n"
"\tExample: %s platform.xml deployment.xml\n",
argv[0], argv[0]);
e.loadPlatform(argv[1]); /* - Load the platform description */
e.registerFunction<yielder>("yielder");
e.loadDeployment(argv[2]);
e.run(); /* - Run the simulation */
return 0;
}