1 /* Copyright (c) 2016-2017. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
10 #include <xbt/future.hpp>
12 #include <simgrid/simix.hpp>
13 #include <simgrid/simix/blocking_simcall.hpp>
14 #include <simgrid/kernel/future.hpp>
17 XBT_LOG_NEW_DEFAULT_CATEGORY(test, "my log messages");
21 /** Create a future which becomes ready when the date is reached */
23 simgrid::kernel::Future<void> kernel_wait_until(double date)
25 auto promise = std::make_shared<simgrid::kernel::Promise<void>>();
26 auto future = promise->get_future();
27 SIMIX_timer_set(date, [promise] {
33 static int master(int argc, char *argv[])
35 // Test the simple immediate execution:
37 simgrid::simix::kernelImmediate([] {
40 XBT_INFO("kernel, returned");
42 // Synchronize on a successful Future<void>:
43 simgrid::simix::kernelSync([] {
44 return kernel_wait_until(10).then([](simgrid::kernel::Future<void> future) {
46 XBT_INFO("kernelSync with void");
49 XBT_INFO("kernelSync with void, returned");
51 // Synchronize on a failing Future<void>:
53 simgrid::simix::kernelSync([] {
54 return kernel_wait_until(20).then([](simgrid::kernel::Future<void> future) {
56 throw std::runtime_error("Exception throwed from kernel_defer");
59 XBT_ERROR("No exception caught!");
61 catch(std::runtime_error& e) {
62 XBT_INFO("Exception caught: %s", e.what());
65 // Synchronize on a successul Future<int> and get the value:
66 int res = simgrid::simix::kernelSync([] {
67 return kernel_wait_until(30).then([](simgrid::kernel::Future<void> future) {
69 XBT_INFO("kernelSync with value");
73 XBT_INFO("kernelSync with value returned with %i", res);
75 // Synchronize on a successul Future<int> and get the value:
76 simgrid::simix::Future<int> future = simgrid::simix::kernelAsync([] {
77 return kernel_wait_until(50).then([](simgrid::kernel::Future<void> future) {
79 XBT_INFO("kernelAsync with value");
84 XBT_INFO("kernelAsync with value returned with %i", res);
86 // Synchronize on a successul Future<int> and get the value:
87 future = simgrid::simix::kernelAsync([] {
88 return kernel_wait_until(60).then([](simgrid::kernel::Future<void> future) {
90 XBT_INFO("kernelAsync with value");
94 XBT_INFO("The future is %s", future.is_ready() ? "ready" : "not ready");
96 XBT_INFO("The future is %s", future.is_ready() ? "ready" : "not ready");
98 XBT_INFO("kernelAsync with value returned with %i", res);
105 int main(int argc, char *argv[])
107 SIMIX_global_init(&argc, argv);
108 xbt_assert(argc == 2, "Usage: %s platform.xml\n", argv[0]);
109 SIMIX_function_register("master", example::master);
110 SIMIX_create_environment(argv[1]);
111 simcall_process_create("master", example::master, NULL, sg_host_by_name("Tremblay"), 0, NULL, NULL);