Update copyright lines with new year.

[simgrid.git] / src / kernel / context / ContextSwapped.hpp

diff --git a/src/kernel/context/ContextSwapped.hpp b/src/kernel/context/ContextSwapped.hpp
index f7eedcd..5e526ce 100644 (file)
--- a/src/kernel/context/ContextSwapped.hpp
+++ b/src/kernel/context/ContextSwapped.hpp
@@ -1,14 +1,14 @@
-/* Copyright (c) 2009-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2009-2020. 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. */
 
-#ifndef SIMGRID_SIMIX_SWAPPED_CONTEXT_HPP
-#define SIMGRID_SIMIX_SWAPPED_CONTEXT_HPP
+#ifndef SIMGRID_KERNEL_CONTEXT_SWAPPED_CONTEXT_HPP
+#define SIMGRID_KERNEL_CONTEXT_SWAPPED_CONTEXT_HPP
 
 #include "src/kernel/context/Context.hpp"
 
-#include <vector>
+#include <memory>
 
 namespace simgrid {
 namespace kernel {
@@ -18,26 +18,23 @@ class SwappedContext;
 class SwappedContextFactory : public ContextFactory {
   friend SwappedContext; // Reads whether we are in parallel mode
 public:
-  SwappedContextFactory();
+  SwappedContextFactory()                             = default;
   SwappedContextFactory(const SwappedContextFactory&) = delete;
   SwappedContextFactory& operator=(const SwappedContextFactory&) = delete;
-  ~SwappedContextFactory() override;
   void run_all() override;
 
 private:
-  bool parallel_;
+  /* For the sequential execution */
+  unsigned long process_index_     = 0;       // next actor to execute
+  SwappedContext* maestro_context_ = nullptr; // save maestro's context
 
-  unsigned long process_index_ = 0; // Next actor to execute during sequential run_all()
-
-  /* For the parallel execution */
-  simgrid::xbt::Parmap<smx_actor_t>* parmap_;
-  std::vector<SwappedContext*> workers_context_; /* space to save the worker's context in each thread */
-  std::atomic<uintptr_t> threads_working_{0};    /* number of threads that have started their work */
+  /* For the parallel execution, will be created lazily with the right parameters if needed (ie, in parallel) */
+  std::unique_ptr<simgrid::xbt::Parmap<smx_actor_t>> parmap_{nullptr};
 };
 
 class SwappedContext : public Context {
 public:
-  SwappedContext(std::function<void()> code, smx_actor_t get_actor, SwappedContextFactory* factory);
+  SwappedContext(std::function<void()>&& code, smx_actor_t get_actor, SwappedContextFactory* factory);
   SwappedContext(const SwappedContext&) = delete;
   SwappedContext& operator=(const SwappedContext&) = delete;
   virtual ~SwappedContext();
@@ -50,7 +47,7 @@ public:
 
   unsigned char* get_stack();
 
-  static thread_local uintptr_t worker_id_;
+  static thread_local SwappedContext* worker_context_;
 
 #if HAVE_SANITIZER_ADDRESS_FIBER_SUPPORT
   const void* asan_stack_   = nullptr;
@@ -62,6 +59,10 @@ public:
 private:
   unsigned char* stack_ = nullptr;       /* the thread stack */
   SwappedContextFactory* const factory_; // for sequential and parallel run_all()
+
+#if HAVE_VALGRIND_H
+  unsigned int valgrind_stack_id_;
+#endif
 };
 
 } // namespace context