s/process/actor/ A lot remains TBD about it

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

diff --git a/src/kernel/context/ContextBoost.hpp b/src/kernel/context/ContextBoost.hpp
index 067e872..d78cc23 100644 (file)
--- a/src/kernel/context/ContextBoost.hpp
+++ b/src/kernel/context/ContextBoost.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015-2017. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2015-2019. 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. */
@@ -6,45 +6,39 @@
 #ifndef SIMGRID_SIMIX_BOOST_CONTEXT_HPP
 #define SIMGRID_SIMIX_BOOST_CONTEXT_HPP
 
-#include <boost/context/all.hpp>
+#include <boost/version.hpp>
+#if BOOST_VERSION < 106100
+#include <boost/context/fcontext.hpp>
+#else
+#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 {
 
-class BoostContext;
-class SerialBoostContext;
-class ParallelBoostContext;
-class BoostContextFactory;
-
 /** @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(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t actor,
+               SwappedContextFactory* factory);
   ~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; }
+  void swap_into(SwappedContext* to) override;
 
 private:
-  static BoostContext* maestro_context_;
-  void* stack_ = nullptr;
-
 #if BOOST_VERSION < 105600
   boost::context::fcontext_t* fc_ = nullptr;
   typedef intptr_t arg_type;
@@ -55,61 +49,22 @@ private:
   boost::context::detail::fcontext_t fc_;
   typedef boost::context::detail::transfer_t arg_type;
 #endif
-#if HAVE_SANITIZE_ADDRESS_FIBER_SUPPORT
+#if HAVE_SANITIZER_ADDRESS_FIBER_SUPPORT
   const void* asan_stack_ = nullptr;
   size_t asan_stack_size_ = 0;
+  BoostContext* asan_ctx_ = nullptr;
   bool asan_stop_         = false;
 #endif
 
   static void wrapper(arg_type arg);
 };
 
-class SerialBoostContext : public BoostContext {
-  friend BoostContextFactory;
-
+class BoostContextFactory : public SwappedContextFactory {
 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;
+  BoostContextFactory() : SwappedContextFactory("BoostContextFactory") {}
 
-private:
-  static unsigned long process_index_;
+  Context* create_context(std::function<void()> code, void_pfn_smxprocess_t cleanup, smx_actor_t process) override;
 };
-
-#if HAVE_THREAD_CONTEXTS
-class ParallelBoostContext : public BoostContext {
-  friend BoostContextFactory;
-
-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;
-
-private:
-  static simgrid::xbt::Parmap<smx_actor_t>* parmap_;
-  static std::vector<BoostContext*> 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, smx_actor_t process) override;
-  void run_all() override;
-
-private:
-  bool parallel_;
-};
-
 }}} // namespace
 
 #endif