-/* Copyright (c) 2009-2018. 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 <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 : public Context {
+class UContext : public SwappedContext {
public:
- UContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process);
- ~UContext() override;
- void stop() override;
- virtual void resume() = 0;
-
- static void swap(UContext* from, UContext* to);
- static UContext* get_maestro() { return maestro_context_; }
- static void set_maestro(UContext* maestro) { maestro_context_ = maestro; }
+ UContext(std::function<void()>&& code, actor::ActorImpl* actor, SwappedContextFactory* factory);
private:
- static UContext* maestro_context_;
- void* stack_ = nullptr; /* the thread stack */
ucontext_t uc_; /* the ucontext that executes the code */
-#if HAVE_SANITIZER_ADDRESS_FIBER_SUPPORT
- const void* asan_stack_ = nullptr;
- size_t asan_stack_size_ = 0;
- UContext* asan_ctx_ = nullptr;
- bool asan_stop_ = false;
-#endif
-
- static void smx_ctx_sysv_wrapper(int, int);
- static void make_ctx(ucontext_t* ucp, void (*func)(int, int), UContext* arg);
-};
-
-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() override;
-
- static void run_all();
-
-private:
- static unsigned long process_index_;
-};
-
-#if HAVE_THREAD_CONTEXTS
-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() override;
-
- static void initialize();
- static void finalize();
- static void run_all();
-
-private:
- static simgrid::xbt::Parmap<smx_actor_t>* parmap_;
- static std::vector<ParallelUContext*> workers_context_;
- static std::atomic<uintptr_t> threads_working_;
- static thread_local uintptr_t worker_id_;
+ void swap_into_for_real(SwappedContext* to) override;
};
-#endif
-class UContextFactory : public ContextFactory {
+class UContextFactory : public SwappedContextFactory {
public:
- UContextFactory();
- ~UContextFactory() 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_;
+ UContext* create_context(std::function<void()>&& code, actor::ActorImpl* actor) override;
};
-}}} // namespace
+} // namespace context
+} // namespace kernel
+} // namespace simgrid
#endif
