-/* Copyright (c) 2015-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2015-2023. 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 <functional>
-#include <vector>
+/* Boost uses undef preprocessor symbols on FreeBSD, so disable our Werror for this file */
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wundef"
+#endif
-#include <xbt/parmap.hpp>
+#include <boost/version.hpp>
+#if BOOST_VERSION < 106100
+#include <boost/context/fcontext.hpp>
+#else
+#include <boost/context/detail/fcontext.hpp>
+#endif
-#include <simgrid/simix.hpp>
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+#include <atomic>
+#include <cstdint>
+#include <functional>
+#include <vector>
-namespace simgrid {
-namespace kernel {
-namespace context {
+#include "src/kernel/context/ContextSwapped.hpp"
+#include "src/xbt/parmap.hpp"
-class BoostContext;
-class BoostSerialContext;
-class BoostParallelContext;
-class BoostContextFactory;
+namespace simgrid::kernel::context {
/** @brief Userspace context switching implementation based on Boost.Context */
-class BoostContext : public Context {
-protected: // static
- static bool parallel_;
- 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_;
- static unsigned long process_index_;
- static BoostContext* maestro_context_;
+class BoostContext : public SwappedContext {
+public:
+ BoostContext(std::function<void()>&& code, actor::ActorImpl* actor, SwappedContextFactory* factory);
-#if HAVE_BOOST_CONTEXTS == 1
- boost::context::fcontext_t* fc_ = nullptr;
+private:
+#if BOOST_VERSION < 106100
+ boost::context::fcontext_t fc_{};
+ using arg_type = intptr_t;
#else
- boost::context::fcontext_t fc_;
+ boost::context::detail::fcontext_t fc_{};
+ using arg_type = boost::context::detail::transfer_t;
#endif
- void* stack_ = nullptr;
-public:
- friend BoostContextFactory;
- BoostContext(std::function<void()> code,
- void_pfn_smxprocess_t cleanup_func,
- smx_actor_t process);
- ~BoostContext() override;
- virtual void resume();
-private:
- static void wrapper(int first, ...);
-};
-class BoostContextFactory : public ContextFactory {
-public:
- friend BoostContext;
- friend BoostSerialContext;
- friend BoostParallelContext;
+ XBT_ATTRIB_NORETURN static void wrapper(arg_type arg);
- BoostContextFactory();
- ~BoostContextFactory() override;
- Context* create_context(std::function<void()> code,
- void_pfn_smxprocess_t, smx_actor_t process) override;
- void run_all() override;
+ void swap_into_for_real(SwappedContext* to) override;
};
-}}} // namespace
+class BoostContextFactory : public SwappedContextFactory {
+public:
+ BoostContext* create_context(std::function<void()>&& code, actor::ActorImpl* actor) override;
+};
+} // namespace simgrid::kernel::context
#endif