-/* 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. */
-#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 <memory>
+
namespace simgrid {
namespace kernel {
namespace context {
+class SwappedContext;
+
+class SwappedContextFactory : public ContextFactory {
+ friend SwappedContext; // Reads whether we are in parallel mode
+public:
+ SwappedContextFactory();
+ SwappedContextFactory(const SwappedContextFactory&) = delete;
+ SwappedContextFactory& operator=(const SwappedContextFactory&) = delete;
+ 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
+
+ /* For the parallel execution */
+ std::unique_ptr<simgrid::xbt::Parmap<smx_actor_t>> parmap_;
+};
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, smx_actor_t get_actor, SwappedContextFactory* factory);
+ SwappedContext(const SwappedContext&) = delete;
+ SwappedContext& operator=(const SwappedContext&) = delete;
virtual ~SwappedContext();
- 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;
+ unsigned char* get_stack();
- static SwappedContext* get_maestro() { return maestro_context_; }
- static void set_maestro(SwappedContext* maestro) { maestro_context_ = maestro; }
+ static thread_local SwappedContext* worker_context_;
-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 unsigned long process_index_;
- static SwappedContext* maestro_context_;
+ 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