1 /* Copyright (c) 2019. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/s4u.hpp"
11 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_exec_waitany, "Messages specific for this s4u example");
13 static void worker(bool with_timeout)
15 /* Vector in which we store all pending executions*/
16 std::vector<simgrid::s4u::ExecPtr> pending_executions;
18 for (int i = 0; i < 3; i++) {
19 std::string name = std::string("Exec-") + std::to_string(i);
20 double amount = (6 * (i % 2) + i + 1) * simgrid::s4u::this_actor::get_host()->get_speed();
22 simgrid::s4u::ExecPtr exec = simgrid::s4u::this_actor::exec_init(amount)->set_name(name);
23 pending_executions.push_back(exec);
26 XBT_INFO("Activity %s has started for %.0f seconds", name.c_str(),
27 amount / simgrid::s4u::this_actor::get_host()->get_speed());
30 /* Now that executions were initiated, wait for their completion, in order of termination.
32 * This loop waits for first terminating execution with wait_any() and remove it with erase(), until all execs are
35 while (not pending_executions.empty()) {
38 pos = simgrid::s4u::Exec::wait_any_for(&pending_executions, 4);
40 pos = simgrid::s4u::Exec::wait_any(&pending_executions);
43 XBT_INFO("Do not wait any longer for an activity");
44 pending_executions.clear();
46 XBT_INFO("Activity '%s' (at position %d) is complete", pending_executions[pos]->get_cname(), pos);
47 pending_executions.erase(pending_executions.begin() + pos);
49 XBT_INFO("%lu activities remain pending", pending_executions.size());
53 int main(int argc, char* argv[])
55 simgrid::s4u::Engine e(&argc, argv);
56 e.load_platform(argv[1]);
57 simgrid::s4u::Actor::create("worker", simgrid::s4u::Host::by_name("Tremblay"), worker, false);
58 simgrid::s4u::Actor::create("worker_timeout", simgrid::s4u::Host::by_name("Tremblay"), worker, true);