+/* Copyright (c) 2007-2016. 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_KERNEL_CONTEXT_CONTEXT_HPP
+#define _SIMGRID_KERNEL_CONTEXT_CONTEXT_HPP
+
+#include <functional>
+#include <memory>
+#include <unordered_map>
+#include <vector>
+
+#include <xbt/functional.hpp>
+
+#include "src/internal_config.h"
+#include "simgrid/simix.h"
+#include "surf/surf.h"
+#include "xbt/base.h"
+#include "xbt/fifo.h"
+#include "xbt/swag.h"
+#include "xbt/dict.h"
+#include "xbt/mallocator.h"
+#include "xbt/config.h"
+#include "xbt/xbt_os_time.h"
+#include "xbt/function_types.h"
+#include "src/xbt/ex_interface.h"
+#include "src/instr/instr_private.h"
+#include "src/simix/smx_host_private.h"
+#include "src/simix/smx_io_private.h"
+#include "src/simix/smx_network_private.h"
+#include "src/simix/popping_private.h"
+#include "src/simix/smx_synchro_private.h"
+
+#include <signal.h>
+#include "src/simix/ActorImpl.hpp"
+
+#ifdef __cplusplus
+
+#include <simgrid/simix.hpp>
+
+namespace simgrid {
+namespace kernel {
+namespace context {
+
+ class Context;
+ class ContextFactory;
+
+ XBT_PUBLIC_CLASS ContextFactory {
+ private:
+ std::string name_;
+ public:
+
+ explicit ContextFactory(std::string name) : name_(std::move(name)) {}
+ virtual ~ContextFactory();
+ virtual Context* create_context(std::function<void()> code,
+ void_pfn_smxprocess_t cleanup, smx_process_t process) = 0;
+
+ // Optional methods for attaching main() as a context:
+
+ /** Creates a context from the current context of execution
+ *
+ * This will not work on all implementation of `ContextFactory`.
+ */
+ virtual Context* attach(void_pfn_smxprocess_t cleanup_func, smx_process_t process);
+ virtual Context* create_maestro(std::function<void()> code, smx_process_t process);
+
+ virtual void run_all() = 0;
+ virtual Context* self();
+ std::string const& name() const
+ {
+ return name_;
+ }
+ private:
+ void declare_context(void* T, std::size_t size);
+ protected:
+ template<class T, class... Args>
+ T* new_context(Args&&... args)
+ {
+ T* context = new T(std::forward<Args>(args)...);
+ this->declare_context(context, sizeof(T));
+ return context;
+ }
+ };
+
+ XBT_PUBLIC_CLASS Context {
+ private:
+ std::function<void()> code_;
+ void_pfn_smxprocess_t cleanup_func_ = nullptr;
+ smx_process_t process_ = nullptr;
+ public:
+ bool iwannadie;
+ public:
+ Context(std::function<void()> code,
+ void_pfn_smxprocess_t cleanup_func,
+ smx_process_t process);
+ void operator()()
+ {
+ code_();
+ }
+ bool has_code() const
+ {
+ return (bool) code_;
+ }
+ smx_process_t process()
+ {
+ return this->process_;
+ }
+ void set_cleanup(void_pfn_smxprocess_t cleanup)
+ {
+ cleanup_func_ = cleanup;
+ }
+
+ // Virtual methods
+ virtual ~Context();
+ virtual void stop();
+ virtual void suspend() = 0;
+ };
+
+ XBT_PUBLIC_CLASS AttachContext : public Context {
+ public:
+
+ AttachContext(std::function<void()> code,
+ void_pfn_smxprocess_t cleanup_func,
+ smx_process_t process)
+ : Context(std::move(code), cleanup_func, process)
+ {}
+
+ ~AttachContext() override;
+
+ /** Called by the context when it is ready to give control
+ * to the maestro.
+ */
+ virtual void attach_start() = 0;
+
+ /** Called by the context when it has finished its job */
+ virtual void attach_stop() = 0;
+ };
+
+/* This allows Java to hijack the context factory (Java induces factories of factory :) */
+typedef ContextFactory* (*ContextFactoryInitializer)(void);
+XBT_PUBLIC_DATA(ContextFactoryInitializer) factory_initializer;
+
+XBT_PRIVATE ContextFactory* thread_factory();
+XBT_PRIVATE ContextFactory* sysv_factory();
+XBT_PRIVATE ContextFactory* raw_factory();
+XBT_PRIVATE ContextFactory* boost_factory();
+
+}}}
+
+typedef simgrid::kernel::context::ContextFactory *smx_context_factory_t;
+
+#else
+
+typedef struct s_smx_context_factory *smx_context_factory_t;
+
+#endif
+
+SG_BEGIN_DECL()
+
+
+XBT_PRIVATE void SIMIX_context_mod_init(void);
+XBT_PRIVATE void SIMIX_context_mod_exit(void);
+
+XBT_PRIVATE smx_context_t SIMIX_context_new(
+ std::function<void()> code,
+ void_pfn_smxprocess_t cleanup_func,
+ smx_process_t simix_process);
+
+#ifndef WIN32
+XBT_PUBLIC_DATA(char sigsegv_stack[SIGSTKSZ]);
+#endif
+
+/* We are using the bottom of the stack to save some information, like the
+ * valgrind_stack_id. Define smx_context_usable_stack_size to give the remaining
+ * size for the stack. */
+#if HAVE_VALGRIND_H
+# define smx_context_usable_stack_size \
+ (smx_context_stack_size - sizeof(unsigned int)) /* for valgrind_stack_id */
+#else
+# define smx_context_usable_stack_size smx_context_stack_size
+#endif
+
+/** @brief Executes all the processes to run (in parallel if possible). */
+XBT_PRIVATE void SIMIX_context_runall(void);
+/** @brief returns the current running context */
+XBT_PRIVATE smx_context_t SIMIX_context_self(void);
+
+XBT_PRIVATE void *SIMIX_context_stack_new(void);
+XBT_PRIVATE void SIMIX_context_stack_delete(void *stack);
+
+XBT_PRIVATE void SIMIX_context_set_current(smx_context_t context);
+XBT_PRIVATE smx_context_t SIMIX_context_get_current(void);
+
+XBT_PUBLIC(int) SIMIX_process_get_maxpid(void);
+
+XBT_PRIVATE void SIMIX_post_create_environment(void);
+
+// FIXME, Dirty hack for SMPI+MSG
+XBT_PRIVATE void SIMIX_process_set_cleanup_function(smx_process_t process, void_pfn_smxprocess_t cleanup);
+
+SG_END_DECL()
+
+XBT_PRIVATE simgrid::simix::ActorCodeFactory& SIMIX_get_actor_code_factory(const char *name);
+
+#endif
