+++ /dev/null
-/* Copyright (c) 2016-2021. 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. */
-
-#include <memory>
-#include <stdexcept>
-
-#include <xbt/future.hpp>
-
-#include <simgrid/kernel/future.hpp>
-#include <simgrid/s4u/Actor.hpp>
-#include <simgrid/s4u/Engine.hpp>
-#include <simgrid/simix.hpp>
-#include <simgrid/simix/blocking_simcall.hpp>
-#include <xbt/log.h>
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(test, "my log messages");
-
-namespace example {
-
-class exception : public std::runtime_error {
- using std::runtime_error::runtime_error;
-};
-
-/** Create a future which becomes ready when the date is reached */
-static simgrid::kernel::Future<void> kernel_wait_until(double date)
-{
- auto promise = std::make_shared<simgrid::kernel::Promise<void>>();
- auto future = promise->get_future();
- simgrid::simix::Timer::set(date, [promise] { promise->set_value(); });
- return future;
-}
-
-static void master()
-{
- // Test the simple immediate execution:
- XBT_INFO("Start");
- simgrid::kernel::actor::simcall([] { XBT_INFO("kernel"); });
- XBT_INFO("kernel, returned");
-
- // Synchronize on a successful Future<void>:
- simgrid::simix::kernel_sync([] {
- return kernel_wait_until(10).then([](simgrid::kernel::Future<void> f) {
- f.get();
- XBT_INFO("kernel_sync with void");
- });
- });
- XBT_INFO("kernel_sync with void, returned");
-
- // Synchronize on a failing Future<void>:
- try {
- simgrid::simix::kernel_sync([] {
- return kernel_wait_until(20).then([](simgrid::kernel::Future<void> f) {
- f.get();
- throw example::exception("Exception thrown from kernel_defer");
- });
- });
- XBT_ERROR("No exception caught!");
- } catch (const example::exception& e) {
- XBT_INFO("Exception caught: %s", e.what());
- }
-
- // Synchronize on a successful Future<int> and get the value:
- int res = simgrid::simix::kernel_sync([] {
- return kernel_wait_until(30).then([](simgrid::kernel::Future<void> f) {
- f.get();
- XBT_INFO("kernel_sync with value");
- return 42;
- });
- });
- XBT_INFO("kernel_sync with value returned with %i", res);
-
- // Synchronize on a successful Future<int> and get the value:
- simgrid::simix::Future<int> future = simgrid::simix::kernel_async([] {
- return kernel_wait_until(50).then([](simgrid::kernel::Future<void> f) {
- f.get();
- XBT_INFO("kernel_async with value");
- return 43;
- });
- });
- res = future.get();
- XBT_INFO("kernel_async with value returned with %i", res);
-
- // Synchronize on a successful Future<int> and get the value:
- future = simgrid::simix::kernel_async([] {
- return kernel_wait_until(60).then([](simgrid::kernel::Future<void> f) {
- f.get();
- XBT_INFO("kernel_async with value");
- return 43;
- });
- });
- XBT_INFO("The future is %s", future.is_ready() ? "ready" : "not ready");
- future.wait();
- XBT_INFO("The future is %s", future.is_ready() ? "ready" : "not ready");
- res = future.get();
- XBT_INFO("kernel_async with value returned with %i", res);
-}
-}
-
-int main(int argc, char* argv[])
-{
- simgrid::s4u::Engine e(&argc, argv);
- xbt_assert(argc == 2, "Usage: %s platform.xml\n", argv[0]);
- e.load_platform(argv[1]);
- simgrid::s4u::Actor::create("master", e.host_by_name("Tremblay"), example::master);
- e.run();
- return 0;
-}