-/* Copyright (c) 2009-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2009-2019. 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. */
#include "src/kernel/context/Context.hpp"
+#include <memory>
#include <vector>
namespace simgrid {
class SwappedContextFactory : public ContextFactory {
friend SwappedContext; // Reads whether we are in parallel mode
public:
- SwappedContextFactory(std::string name);
- ~SwappedContextFactory() override;
+ SwappedContextFactory();
+ SwappedContextFactory(const SwappedContextFactory&) = delete;
+ SwappedContextFactory& operator=(const SwappedContextFactory&) = delete;
void run_all() override;
-protected: // FIXME temporary internal exposure
+private:
bool parallel_;
+
+ unsigned long process_index_ = 0; // Next actor to execute during sequential run_all()
+
+ /* For the parallel execution */
+ std::unique_ptr<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 */
};
class SwappedContext : public Context {
public:
- SwappedContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process,
- 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();
- static void initialize(bool parallel); // Initialize the module, using the options
- static void finalize(); // Finalize the module
-
- virtual void suspend();
+ void suspend() override;
virtual void resume();
+ void stop() override;
- virtual void swap_into(SwappedContext* to) = 0; // Defined in subclasses
+ virtual void swap_into(SwappedContext* to) = 0; // Defined in Raw, Boost and UContext subclasses
- static SwappedContext* get_maestro() { return maestro_context_; }
- static void set_maestro(SwappedContext* maestro) { maestro_context_ = maestro; }
+ unsigned char* get_stack();
- static unsigned long process_index_; // FIXME killme
-
- /* 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_;
-protected:
- void* stack_ = nullptr; /* the thread stack */
+#if HAVE_SANITIZER_ADDRESS_FIBER_SUPPORT
+ const void* asan_stack_ = nullptr;
+ size_t asan_stack_size_ = 0;
+ SwappedContext* asan_ctx_ = nullptr;
+ bool asan_stop_ = false;
+#endif
private:
- static SwappedContext* maestro_context_;
- /* For sequential and parallel run_all() */
- SwappedContextFactory* factory_;
+ 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