mv examples/s4u examples/cpp

[simgrid.git] / examples / cpp / actor-stacksize / s4u-actor-stacksize.cpp

diff --git a/examples/cpp/actor-stacksize/s4u-actor-stacksize.cpp b/examples/cpp/actor-stacksize/s4u-actor-stacksize.cpp
new file mode 100644 (file)
index 0000000..c184215
--- /dev/null
+++ b/examples/cpp/actor-stacksize/s4u-actor-stacksize.cpp
@@ -0,0 +1,45 @@
+/* Copyright (c) 2010-2021. 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. */
+
+/* This code tests that we can change the stack-size between the actors creation. */
+
+#include <simgrid/s4u.hpp>
+namespace sg4 = simgrid::s4u;
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
+
+static void actor()
+{
+  XBT_INFO("Hello");
+}
+
+int main(int argc, char* argv[])
+{
+  sg4::Engine e(&argc, argv);
+  e.load_platform(argv[1]);
+
+  // If you don't specify anything, you get the default size (8Mb) or the one passed on the command line
+  sg4::Actor::create("actor", sg4::Host::by_name("Tremblay"), actor);
+
+  // You can use set_config(string) to pass a size that will be parsed. That value will be used for any subsequent
+  // actors
+  sg4::Engine::set_config("contexts/stack-size:16384");
+  sg4::Actor::create("actor", sg4::Host::by_name("Tremblay"), actor);
+  sg4::Actor::create("actor", sg4::Host::by_name("Tremblay"), actor);
+
+  // You can use set_config(key, value) for the same effect.
+  sg4::Engine::set_config("contexts/stack-size", 32 * 1024);
+  sg4::Actor::create("actor", sg4::Host::by_name("Tremblay"), actor);
+  sg4::Actor::create("actor", sg4::Host::by_name("Tremblay"), actor);
+
+  // Or you can use set_stacksize() before starting the actor to modify only this one
+  sg4::Actor::init("actor", sg4::Host::by_name("Tremblay"))->set_stacksize(64 * 1024)->start(actor);
+  sg4::Actor::create("actor", sg4::Host::by_name("Tremblay"), actor);
+
+  e.run();
+  XBT_INFO("Simulation time %g", e.get_clock());
+
+  return 0;
+}