/* 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_SWAPPED_CONTEXT_HPP
-#define SIMGRID_SIMIX_SWAPPED_CONTEXT_HPP
+#ifndef SIMGRID_KERNEL_CONTEXT_SWAPPED_CONTEXT_HPP
+#define SIMGRID_KERNEL_CONTEXT_SWAPPED_CONTEXT_HPP
#include "src/kernel/context/Context.hpp"
-#include <vector>
+#include <memory>
namespace simgrid {
namespace kernel {
class SwappedContextFactory : public ContextFactory {
friend SwappedContext; // Reads whether we are in parallel mode
public:
- SwappedContextFactory();
+ SwappedContextFactory() = default;
SwappedContextFactory(const SwappedContextFactory&) = delete;
SwappedContextFactory& operator=(const SwappedContextFactory&) = delete;
- ~SwappedContextFactory() override;
void run_all() override;
private:
- bool parallel_;
+ /* For the sequential execution */
+ unsigned long process_index_ = 0; // next actor to execute
+ SwappedContext* maestro_context_ = nullptr; // save maestro's context
- unsigned long process_index_ = 0; // Next actor to execute during sequential run_all()
-
- /* For the parallel execution */
- simgrid::xbt::Parmap<smx_actor_t>* parmap_;
- std::vector<SwappedContext*> workers_context_; /* space to save the worker's context in each thread */
- std::atomic<uintptr_t> threads_working_{0}; /* number of threads that have started their work */
+ /* For the parallel execution, will be created lazily with the right parameters if needed (ie, in parallel) */
+ std::unique_ptr<simgrid::xbt::Parmap<smx_actor_t>> parmap_{nullptr};
};
class SwappedContext : public Context {
public:
- SwappedContext(std::function<void()> code, smx_actor_t get_actor, SwappedContextFactory* factory);
+ SwappedContext(std::function<void()>&& code, smx_actor_t get_actor, SwappedContextFactory* factory);
SwappedContext(const SwappedContext&) = delete;
SwappedContext& operator=(const SwappedContext&) = delete;
virtual ~SwappedContext();
unsigned char* get_stack();
- static thread_local uintptr_t worker_id_;
+ static thread_local SwappedContext* worker_context_;
#if HAVE_SANITIZER_ADDRESS_FIBER_SUPPORT
const void* asan_stack_ = nullptr;
private:
unsigned char* stack_ = nullptr; /* the thread stack */
SwappedContextFactory* const factory_; // for sequential and parallel run_all()
+
+#if HAVE_VALGRIND_H
+ unsigned int valgrind_stack_id_;
+#endif
};
} // namespace context