X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0d8e66239690b90dd2ced42f6bacab683661b20f..a76526cb68465af7b566a4afc6fff7893be6a94d:/src/kernel/context/ContextSwapped.hpp?ds=sidebyside

diff --git a/src/kernel/context/ContextSwapped.hpp b/src/kernel/context/ContextSwapped.hpp
index c132b63f81..4c03501267 100644
--- a/src/kernel/context/ContextSwapped.hpp
+++ b/src/kernel/context/ContextSwapped.hpp
@@ -1,15 +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 <memory>
-#include <vector>
 
 namespace simgrid {
 namespace kernel {
@@ -19,20 +18,18 @@ 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;
   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 */
-  std::unique_ptr<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 {
@@ -44,13 +41,13 @@ public:
 
   void suspend() override;
   virtual void resume();
-  void stop() override;
+  XBT_ATTRIB_NORETURN void stop() override;
 
   virtual void swap_into(SwappedContext* to) = 0; // Defined in Raw, Boost and UContext subclasses
 
   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;