namespace simgrid {
namespace kernel {
namespace context {
+class SwappedContext;
+
+class SwappedContextFactory : public ContextFactory {
+ friend SwappedContext; // Reads whether we are in parallel mode
+public:
+ SwappedContextFactory(std::string name);
+ ~SwappedContextFactory() override;
+ void run_all() override;
+
+private:
+ bool parallel_;
+
+ 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_; /* number of threads that have started their work */
+};
class SwappedContext : public Context {
public:
- SwappedContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process);
+ SwappedContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process,
+ SwappedContextFactory* factory);
virtual ~SwappedContext();
- static void initialize(); // Initialize the module, using the options
- static void finalize(); // Finalize the module
-
- virtual void suspend();
+ void suspend() override;
virtual void resume();
+ void stop() override;
- static void run_all();
+ virtual void swap_into(SwappedContext* to) = 0; // Defined in Raw, Boost and UContext subclasses
- virtual void swap_into(SwappedContext* to) = 0; // Defined in subclasses
+ void set_maestro(SwappedContext* ctx) { factory_->workers_context_[0] = ctx; }
- static SwappedContext* get_maestro() { return maestro_context_; }
- static void set_maestro(SwappedContext* maestro) { maestro_context_ = maestro; }
+ // FIXME: Killme
+ static thread_local uintptr_t worker_id_;
protected:
void* stack_ = nullptr; /* the thread stack */
- /* For the parallel execution */
- static simgrid::xbt::Parmap<smx_actor_t>* parmap_;
- static std::vector<SwappedContext*> workers_context_;
- static std::atomic<uintptr_t> threads_working_;
- static thread_local uintptr_t worker_id_;
-
private:
- static unsigned long process_index_;
- static SwappedContext* maestro_context_;
+ SwappedContextFactory* factory_; // for sequential and parallel run_all()
};
} // namespace context
