X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/42a689df45fca8334757bf342483b75ddf4a9835..417ed3b671abe3a71fa4106d23d0a432084cc207:/examples/cpp/synchro-semaphore/s4u-synchro-semaphore.cpp

diff --git a/examples/cpp/synchro-semaphore/s4u-synchro-semaphore.cpp b/examples/cpp/synchro-semaphore/s4u-synchro-semaphore.cpp
index 7acc1ac3d3..4040407811 100644
--- a/examples/cpp/synchro-semaphore/s4u-synchro-semaphore.cpp
+++ b/examples/cpp/synchro-semaphore/s4u-synchro-semaphore.cpp
@@ -1,4 +1,4 @@
-/* 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. */
@@ -10,24 +10,23 @@
 
 #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) {
     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 {
@@ -43,10 +42,16 @@ static void consumer()
 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, std::cref(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, std::ref(buffer), sem_empty, sem_full,
+                     std::cref(args));
+  sg4::Actor::create("consumer", e.host_by_name("Jupiter"), consumer, std::cref(buffer), sem_empty, sem_full);
   e.run();
 
   return 0;