-/* Copyright (c) 2009-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2009-2021. 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_UNIX_CONTEXT_HPP
-#define SIMGRID_SIMIX_UNIX_CONTEXT_HPP
+#ifndef SIMGRID_KERNEL_CONTEXT_UNIX_CONTEXT_HPP
+#define SIMGRID_KERNEL_CONTEXT_UNIX_CONTEXT_HPP
#include <ucontext.h> /* context relative declarations */
+#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/ContextSwapped.hpp"
namespace simgrid {
namespace kernel {
namespace context {
-class UContext;
-class SerialUContext;
-class ParallelUContext;
-class UContextFactory;
+class UContext : public SwappedContext {
+public:
+ UContext(std::function<void()>&& code, actor::ActorImpl* actor, SwappedContextFactory* factory);
-class UContext : public Context {
private:
ucontext_t uc_; /* the ucontext that executes the code */
- char* stack_ = nullptr; /* the thread stack */
-public:
- friend UContextFactory;
- UContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process);
- ~UContext() override;
- void stop() override;
- static void swap(UContext* from, UContext* to) { swapcontext(&from->uc_, &to->uc_); }
-};
-
-class SerialUContext : public UContext {
-public:
- SerialUContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
- : UContext(std::move(code), cleanup_func, process)
- {
- }
- void suspend() override;
- void resume();
-};
-class ParallelUContext : public UContext {
-public:
- ParallelUContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
- : UContext(std::move(code), cleanup_func, process)
- {
- }
- void suspend() override;
- void resume();
+ void swap_into_for_real(SwappedContext* to) override;
};
-class UContextFactory : public ContextFactory {
+class UContextFactory : public SwappedContextFactory {
public:
- friend UContext;
- friend SerialUContext;
- friend ParallelUContext;
-
- UContextFactory();
- ~UContextFactory() override;
- Context* create_context(std::function<void()> code, void_pfn_smxprocess_t cleanup, smx_actor_t process) override;
- void run_all() override;
+ UContext* create_context(std::function<void()>&& code, actor::ActorImpl* actor) override;
};
-}}} // namespace
+} // namespace context
+} // namespace kernel
+} // namespace simgrid
#endif
