-/* Copyright (c) 2006-2021. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2006-2023. 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>
-XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "a sample log category");
+namespace sg4 = simgrid::s4u;
-const char* buffer; /* Where the data is exchanged */
-simgrid::s4u::SemaphorePtr sem_empty = simgrid::s4u::Semaphore::create(1); /* indicates whether the buffer is empty */
-simgrid::s4u::SemaphorePtr sem_full = simgrid::s4u::Semaphore::create(0); /* indicates whether the buffer is full */
+XBT_LOG_NEW_DEFAULT_CATEGORY(sem_test, "Simple test of the semaphore");
-static void producer(const std::vector<std::string>* args)
+static void producer(std::string* buffer, sg4::SemaphorePtr sem_empty, sg4::SemaphorePtr sem_full,
+ const std::vector<std::string>& args)
{
- for (auto const& str : *args) {
+ for (auto const& str : args) {
sem_empty->acquire();
XBT_INFO("Pushing '%s'", str.c_str());
- buffer = str.c_str();
+ *buffer = str;
sem_full->release();
}
XBT_INFO("Bye!");
}
-static void consumer()
+static void consumer(const std::string* buffer, sg4::SemaphorePtr sem_empty, sg4::SemaphorePtr sem_full)
{
std::string str;
do {
sem_full->acquire();
- str = buffer;
+ str = *buffer;
XBT_INFO("Receiving '%s'", str.c_str());
sem_empty->release();
} while (str != "");
int main(int argc, char **argv)
{
std::vector<std::string> args({"one", "two", "three", ""});
- simgrid::s4u::Engine e(&argc, argv);
- e.load_platform("../../platforms/two_hosts.xml");
- simgrid::s4u::Actor::create("producer", simgrid::s4u::Host::by_name("Tremblay"), producer, &args);
- simgrid::s4u::Actor::create("consumer", simgrid::s4u::Host::by_name("Jupiter"), consumer);
+ sg4::Engine e(&argc, argv);
+ e.load_platform(argc > 1 ? argv[1] : "../../platforms/two_hosts.xml");
+
+ std::string buffer; /* Where the data is exchanged */
+ auto sem_empty = sg4::Semaphore::create(1); /* indicates whether the buffer is empty */
+ auto sem_full = sg4::Semaphore::create(0); /* indicates whether the buffer is full */
+
+ sg4::Actor::create("producer", e.host_by_name("Tremblay"), producer, &buffer, sem_empty, sem_full, std::cref(args));
+ sg4::Actor::create("consumer", e.host_by_name("Jupiter"), consumer, &buffer, sem_empty, sem_full);
e.run();
return 0;