-/* Copyright (c) 2009-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2009-2018. 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_BOOST_CONTEXT_HPP
-#define SIMGRID_SIMIX_BOOST_CONTEXT_HPP
+#ifndef SIMGRID_SIMIX_RAW_CONTEXT_HPP
+#define SIMGRID_SIMIX_RAW_CONTEXT_HPP
+#include <atomic>
+#include <cstdint>
#include <functional>
+#include <vector>
-#include "Context.hpp"
-#include "src/internal_config.h"
-#include "src/simix/smx_private.hpp"
+#include <xbt/parmap.hpp>
+#include <xbt/xbt_os_thread.h>
+
+#include "src/kernel/context/ContextSwapped.hpp"
namespace simgrid {
namespace kernel {
namespace context {
-class RawContext;
-class RawContextFactory;
-
/** @brief Fast context switching inspired from SystemV ucontexts.
*
* The main difference to the System V context is that Raw Contexts are much faster because they don't
* preserve the signal mask when switching. This saves a system call (at least on Linux) on each context switch.
*/
-class RawContext : public Context {
+class RawContext : public SwappedContext {
+public:
+ RawContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process,
+ SwappedContextFactory* factory);
+
+ void swap_into(SwappedContext* to) override;
+
private:
- void* stack_ = nullptr;
/** pointer to top the stack stack */
void* stack_top_ = nullptr;
-public:
- friend class RawContextFactory;
- RawContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process);
- ~RawContext() override;
+#if HAVE_SANITIZER_ADDRESS_FIBER_SUPPORT
+ const void* asan_stack_ = nullptr;
+ size_t asan_stack_size_ = 0;
+ RawContext* asan_ctx_ = nullptr;
+ bool asan_stop_ = false;
+#endif
static void wrapper(void* arg);
- void stop() override;
- void suspend() override;
- void resume();
-
-private:
- void suspend_serial();
- void suspend_parallel();
- void resume_serial();
- void resume_parallel();
};
-class RawContextFactory : public ContextFactory {
+class RawContextFactory : public SwappedContextFactory {
public:
- RawContextFactory();
- ~RawContextFactory() override;
- RawContext* create_context(std::function<void()> code, void_pfn_smxprocess_t cleanup, smx_actor_t process) override;
- void run_all() override;
+ RawContextFactory() : SwappedContextFactory("RawContextFactory") {}
-private:
- void run_all_serial();
- void run_all_parallel();
+ Context* create_context(std::function<void()> code, void_pfn_smxprocess_t cleanup, smx_actor_t process) override;
};
}}} // namespace
