1 /* Copyright (c) 2010-2022. 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"
10 namespace sg4 = simgrid::s4u;
12 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_activity_waittany, "Messages specific for this s4u example");
16 sg4::Mailbox* mbox = sg4::Mailbox::by_name(std::string("mbox"));
17 const sg4::Disk* disk = sg4::Host::current()->get_disks().front();
20 XBT_INFO("Create my asynchronous activities");
21 auto exec = sg4::this_actor::exec_async(5e9);
22 auto comm = mbox->get_async(&payload);
23 auto io = disk->read_async(3e8);
25 std::vector<sg4::ActivityPtr> pending_activities = {boost::dynamic_pointer_cast<sg4::Activity>(exec),
26 boost::dynamic_pointer_cast<sg4::Activity>(comm),
27 boost::dynamic_pointer_cast<sg4::Activity>(io)};
29 XBT_INFO("Wait for asynchrounous activities to complete");
30 while (not pending_activities.empty()) {
31 ssize_t changed_pos = sg4::Activity::wait_any(pending_activities);
32 if (changed_pos != -1) {
33 auto* completed_one = pending_activities[changed_pos].get();
34 if (dynamic_cast<sg4::Comm*>(completed_one))
35 XBT_INFO("Completed a Comm");
36 if (dynamic_cast<sg4::Exec*>(completed_one))
37 XBT_INFO("Completed an Exec");
38 if (dynamic_cast<sg4::Io*>(completed_one))
39 XBT_INFO("Completed an I/O");
40 pending_activities.erase(pending_activities.begin() + changed_pos);
43 XBT_INFO("Last activity is complete");
49 auto* payload = new std::string("Message");
50 XBT_INFO("Send '%s'", payload->c_str());
51 sg4::Mailbox::by_name(std::string("mbox"))->put(payload, 6e8);
54 int main(int argc, char* argv[])
56 sg4::Engine e(&argc, argv);
58 e.load_platform(argv[1]);
60 sg4::Actor::create("bob", e.host_by_name("bob"), bob);
61 sg4::Actor::create("alice", e.host_by_name("alice"), alice);