-/* Copyright (c) 2009-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2009-2022. 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_RAW_CONTEXT_HPP
-#define SIMGRID_SIMIX_RAW_CONTEXT_HPP
+#ifndef SIMGRID_KERNEL_CONTEXT_RAW_CONTEXT_HPP
+#define SIMGRID_KERNEL_CONTEXT_RAW_CONTEXT_HPP
#include <atomic>
#include <cstdint>
#include <vector>
#include <xbt/parmap.hpp>
-#include <xbt/xbt_os_thread.h>
+
+#include "src/kernel/context/ContextSwapped.hpp"
namespace simgrid {
namespace kernel {
* The main difference to the System V context is that Raw Contexts are much faster because they don't
* preserve the signal mask when switching. This saves a system call (at least on Linux) on each context switch.
*/
-class RawContext : public Context {
+class RawContext : public SwappedContext {
public:
- RawContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process);
- ~RawContext() override;
- void stop() override;
- virtual void resume() = 0;
-
- static void swap(RawContext* from, RawContext* to);
- static RawContext* getMaestro() { return maestro_context_; }
- static void setMaestro(RawContext* maestro) { maestro_context_ = maestro; }
+ RawContext(std::function<void()>&& code, actor::ActorImpl* actor, SwappedContextFactory* factory);
private:
- static RawContext* maestro_context_;
- void* stack_ = nullptr;
/** pointer to top the stack stack */
void* stack_top_ = nullptr;
-#if HAVE_SANITIZE_ADDRESS_FIBER_SUPPORT
- const void* asan_stack_ = nullptr;
- size_t asan_stack_size_ = 0;
- RawContext* asan_ctx_ = nullptr;
- bool asan_stop_ = false;
-#endif
-
- static void wrapper(void* arg);
-};
-
-class SerialRawContext : public RawContext {
-public:
- SerialRawContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
- : RawContext(std::move(code), cleanup_func, process)
- {
- }
- void suspend() override;
- void resume() override;
-
- static void run_all();
-
-private:
- static unsigned long process_index_;
+ void swap_into_for_real(SwappedContext* to) override;
};
-#if HAVE_THREAD_CONTEXTS
-class ParallelRawContext : public RawContext {
+class RawContextFactory : public SwappedContextFactory {
public:
- ParallelRawContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
- : RawContext(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<ParallelRawContext*> workers_context_;
- static std::atomic<uintptr_t> threads_working_;
- static xbt_os_thread_key_t worker_id_key_;
-};
-#endif
-
-class RawContextFactory : public ContextFactory {
-public:
- RawContextFactory();
- ~RawContextFactory() 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_;
+ RawContext* create_context(std::function<void()>&& code, actor::ActorImpl* actor) override;
};
-}}} // namespace
+} // namespace context
+} // namespace kernel
+} // namespace simgrid
#endif