X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ec4fa94c499ef2a6051ef5ca3fb5278ca0d219bd..8e7feffef5e41a487cc322c68265c09cc0d7bdf2:/src/kernel/context/ContextBoost.hpp

diff --git a/src/kernel/context/ContextBoost.hpp b/src/kernel/context/ContextBoost.hpp
index 1132f9860f..8284fc9835 100644
--- a/src/kernel/context/ContextBoost.hpp
+++ b/src/kernel/context/ContextBoost.hpp
@@ -1,10 +1,10 @@
-/* Copyright (c) 2015-2017. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2015-2020. 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_BOOST_CONTEXT_HPP
-#define SIMGRID_SIMIX_BOOST_CONTEXT_HPP
+#ifndef SIMGRID_KERNEL_CONTEXT_BOOST_CONTEXT_HPP
+#define SIMGRID_KERNEL_CONTEXT_BOOST_CONTEXT_HPP
 
 #include <boost/version.hpp>
 #if BOOST_VERSION < 106100
@@ -13,104 +13,47 @@
 #include <boost/context/detail/fcontext.hpp>
 #endif
 
+#include <atomic>
 #include <cstdint>
 #include <functional>
 #include <vector>
 
 #include <simgrid/simix.hpp>
 #include <xbt/parmap.hpp>
-#include <xbt/xbt_os_thread.h>
 
-#include "Context.hpp"
 #include "src/internal_config.h"
-#include "src/simix/smx_private.hpp"
+#include "src/kernel/context/Context.hpp"
+#include "src/kernel/context/ContextSwapped.hpp"
 
 namespace simgrid {
 namespace kernel {
 namespace context {
 
 /** @brief Userspace context switching implementation based on Boost.Context */
-class BoostContext : public Context {
+class BoostContext : public SwappedContext {
 public:
-  BoostContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process);
-  ~BoostContext() override;
-  void stop() override;
-  virtual void resume() = 0;
-
-  static void swap(BoostContext* from, BoostContext* to);
-  static BoostContext* getMaestro() { return maestro_context_; }
-  static void setMaestro(BoostContext* maestro) { maestro_context_ = maestro; }
+  BoostContext(std::function<void()>&& code, actor::ActorImpl* actor, SwappedContextFactory* factory);
 
 private:
-  static BoostContext* maestro_context_;
-  void* stack_ = nullptr;
-
-#if BOOST_VERSION < 105600
-  boost::context::fcontext_t* fc_ = nullptr;
-  typedef intptr_t arg_type;
-#elif BOOST_VERSION < 106100
+#if BOOST_VERSION < 106100
   boost::context::fcontext_t fc_;
   typedef intptr_t arg_type;
 #else
   boost::context::detail::fcontext_t fc_;
   typedef boost::context::detail::transfer_t arg_type;
 #endif
-#if HAVE_SANITIZE_ADDRESS_FIBER_SUPPORT
-  const void* asan_stack_ = nullptr;
-  size_t asan_stack_size_ = 0;
-  bool asan_stop_         = false;
-#endif
 
-  static void wrapper(arg_type arg);
-};
-
-class SerialBoostContext : public BoostContext {
-public:
-  SerialBoostContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
-      : BoostContext(std::move(code), cleanup_func, process)
-  {
-  }
-  void suspend() override;
-  void resume() override;
+  XBT_ATTRIB_NORETURN static void wrapper(arg_type arg);
 
-  static void run_all();
-
-private:
-  static unsigned long process_index_;
+  void swap_into_for_real(SwappedContext* to) override;
 };
 
-#if HAVE_THREAD_CONTEXTS
-class ParallelBoostContext : public BoostContext {
+class BoostContextFactory : public SwappedContextFactory {
 public:
-  ParallelBoostContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
-      : BoostContext(std::move(code), cleanup_func, process)
-  {
-  }
-  void suspend() override;
-  void resume() override;
-
-  static void initialize();
-  static void finalize();
-  static void run_all();
-
-private:
-  static simgrid::xbt::Parmap<smx_actor_t>* parmap_;
-  static std::vector<ParallelBoostContext*> workers_context_;
-  static uintptr_t threads_working_;
-  static xbt_os_thread_key_t worker_id_key_;
-};
-#endif
-
-class BoostContextFactory : public ContextFactory {
-public:
-  BoostContextFactory();
-  ~BoostContextFactory() override;
-  Context* create_context(std::function<void()> code, void_pfn_smxprocess_t cleanup, smx_actor_t process) override;
-  void run_all() override;
-
-private:
-  bool parallel_;
+  BoostContext* create_context(std::function<void()>&& code, actor::ActorImpl* actor) override;
 };
-}}} // namespace
+} // namespace context
+} // namespace kernel
+} // namespace simgrid
 
 #endif