X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d918db3ca7152c00113f2e072deca4614f97bb58..c70856d8b8a08904f494cc2b6418f89d5d074090:/include/simgrid/simix.hpp

diff --git a/include/simgrid/simix.hpp b/include/simgrid/simix.hpp
index 5f61cb1080..7345acf48c 100644
--- a/include/simgrid/simix.hpp
+++ b/include/simgrid/simix.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2007-2020. The SimGrid Team.
+/* Copyright (c) 2007-2021. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -9,7 +9,7 @@
 
 #include <simgrid/simix.h>
 #include <xbt/functional.hpp>
-#include <xbt/future.hpp>
+#include <xbt/promise.hpp>
 #include <xbt/signal.hpp>
 #include <xbt/utility.hpp>
 
@@ -17,8 +17,8 @@
 #include <string>
 #include <unordered_map>
 
-XBT_PUBLIC void simcall_run_kernel(std::function<void()> const& code, simgrid::mc::SimcallInspector* t);
-XBT_PUBLIC void simcall_run_blocking(std::function<void()> const& code, simgrid::mc::SimcallInspector* t);
+XBT_PUBLIC void simcall_run_kernel(std::function<void()> const& code, simgrid::mc::SimcallObserver* observer);
+XBT_PUBLIC void simcall_run_blocking(std::function<void()> const& code, simgrid::mc::SimcallObserver* observer);
 
 namespace simgrid {
 namespace kernel {
@@ -43,7 +43,7 @@ namespace actor {
  * you may need to wait for that mutex to be unlocked by its current owner.
  * Potentially blocking simcall must be issued using simcall_blocking(), right below in this file.
  */
-template <class F> typename std::result_of<F()>::type simcall(F&& code, mc::SimcallInspector* t = nullptr)
+template <class F> typename std::result_of_t<F()> simcall(F&& code, mc::SimcallObserver* observer = nullptr)
 {
   // If we are in the maestro, we take the fast path and execute the
   // code directly without simcall marshalling/unmarshalling/dispatch:
@@ -53,9 +53,9 @@ template <class F> typename std::result_of<F()>::type simcall(F&& code, mc::Simc
   // If we are in the application, pass the code to the maestro which
   // executes it for us and reports the result. We use a std::future which
   // conveniently handles the success/failure value for us.
-  using R = typename std::result_of<F()>::type;
+  using R = typename std::result_of_t<F()>;
   simgrid::xbt::Result<R> result;
-  simcall_run_kernel([&result, &code] { simgrid::xbt::fulfill_promise(result, std::forward<F>(code)); }, t);
+  simcall_run_kernel([&result, &code] { simgrid::xbt::fulfill_promise(result, std::forward<F>(code)); }, observer);
   return result.get();
 }
 
@@ -76,18 +76,15 @@ template <class F> typename std::result_of<F()>::type simcall(F&& code, mc::Simc
  *
  * If your code never calls actor->simcall_answer() itself, the actor will never return from its simcall.
  */
-template <class R, class F> R simcall_blocking(F&& code, mc::SimcallInspector* t = nullptr)
+template <class R, class F> R simcall_blocking(F&& code, mc::SimcallObserver* observer = nullptr)
 {
-  // If we are in the maestro, we take the fast path and execute the
-  // code directly without simcall marshalling/unmarshalling/dispatch:
-  if (SIMIX_is_maestro())
-    return std::forward<F>(code)();
+  xbt_assert(not SIMIX_is_maestro(), "Cannot execute blocking call in kernel mode");
 
   // If we are in the application, pass the code to the maestro which
   // executes it for us and reports the result. We use a std::future which
   // conveniently handles the success/failure value for us.
   simgrid::xbt::Result<R> result;
-  simcall_run_blocking([&result, &code] { simgrid::xbt::fulfill_promise(result, std::forward<F>(code)); }, t);
+  simcall_run_blocking([&result, &code] { simgrid::xbt::fulfill_promise(result, std::forward<F>(code)); }, observer);
   return result.get();
 }
 } // namespace actor
@@ -96,15 +93,19 @@ template <class R, class F> R simcall_blocking(F&& code, mc::SimcallInspector* t
 namespace simgrid {
 namespace simix {
 
-using TimerQelt = std::pair<double, Timer*>;
-static boost::heap::fibonacci_heap<TimerQelt, boost::heap::compare<xbt::HeapComparator<TimerQelt>>> simix_timers;
+inline auto& simix_timers() // avoid static initialization order fiasco
+{
+  using TimerQelt = std::pair<double, Timer*>;
+  static boost::heap::fibonacci_heap<TimerQelt, boost::heap::compare<xbt::HeapComparator<TimerQelt>>> value;
+  return value;
+}
 
 /** @brief Timer datatype */
 class Timer {
   double date = 0.0;
 
 public:
-  decltype(simix_timers)::handle_type handle_;
+  std::remove_reference_t<decltype(simix_timers())>::handle_type handle_;
 
   Timer(double date, simgrid::xbt::Task<void()>&& callback) : date(date), callback(std::move(callback)) {}
 
@@ -118,9 +119,13 @@ public:
   }
 
   static Timer* set(double date, simgrid::xbt::Task<void()>&& callback);
-  static double next() { return simix_timers.empty() ? -1.0 : simix_timers.top().first; }
+  static double next() { return simix_timers().empty() ? -1.0 : simix_timers().top().first; }
 };
 
+// In MC mode, the application sends these pointers to the MC
+void* simix_global_get_actors_addr();
+void* simix_global_get_dead_actors_addr();
+
 } // namespace simix
 } // namespace simgrid