X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ca3a892303ccd7bfa16360486ee43bb0f41154f0..7e42dd535dfc0d68de20fba4b9fc5e480b56c74b:/src/kernel/context/Context.hpp diff --git a/src/kernel/context/Context.hpp b/src/kernel/context/Context.hpp index 8b15744884..6271a8b704 100644 --- a/src/kernel/context/Context.hpp +++ b/src/kernel/context/Context.hpp @@ -28,65 +28,68 @@ public: virtual ~ContextFactory(); virtual Context* create_context(std::function code, void_pfn_smxprocess_t cleanup, smx_actor_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`. - */ + /** Turn the current thread into a simulation context */ virtual Context* attach(void_pfn_smxprocess_t cleanup_func, smx_actor_t process); + /** Turn the current thread into maestro (the old maestro becomes a regular actor) */ virtual Context* create_maestro(std::function code, smx_actor_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 T* new_context(Args&&... args) { T* context = new T(std::forward(args)...); - this->declare_context(context, sizeof(T)); + context->declare_context(sizeof(T)); return context; } }; class XBT_PUBLIC Context { + friend ContextFactory; + private: std::function code_; void_pfn_smxprocess_t cleanup_func_ = nullptr; smx_actor_t actor_ = nullptr; + void declare_context(std::size_t size); public: - class StopRequest { - /** @brief Exception launched to kill a process, in order to properly unwind its stack and release RAII stuff - * - * Nope, Sonar, this should not inherit of std::exception nor of simgrid::Exception. - * Otherwise, users may accidentally catch it with a try {} catch (std::exception) - */ - public: - StopRequest() = default; - explicit StopRequest(std::string msg) : msg_(msg) {} - - private: - std::string msg_; - }; bool iwannadie = false; Context(std::function code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process); Context(const Context&) = delete; Context& operator=(const Context&) = delete; + virtual ~Context(); void operator()() { code_(); } bool has_code() const { return static_cast(code_); } smx_actor_t process() { return this->actor_; } void set_cleanup(void_pfn_smxprocess_t cleanup) { cleanup_func_ = cleanup; } - // Virtual methods - virtual ~Context(); + // Scheduling methods virtual void stop(); virtual void suspend() = 0; + + // Retrieving the self() context + /** @brief Retrives the current context of this thread */ + static Context* self(); + /** @brief Sets the current context of this thread */ + static void set_current(Context* self); + + class StopRequest { + /** @brief Exception launched to kill a process, in order to properly unwind its stack and release RAII stuff + * + * Nope, Sonar, this should not inherit of std::exception nor of simgrid::Exception. + * Otherwise, users may accidentally catch it with a try {} catch (std::exception) + */ + public: + StopRequest() = default; + explicit StopRequest(std::string msg) : msg_(msg) {} + + private: + std::string msg_; + }; }; class XBT_PUBLIC AttachContext : public Context { @@ -142,15 +145,10 @@ XBT_PUBLIC_DATA char sigsegv_stack[SIGSTKSZ]; /** @brief Executes all the processes to run (in parallel if possible). */ XBT_PRIVATE void SIMIX_context_runall(); -/** @brief returns the current running context */ -XBT_PUBLIC smx_context_t SIMIX_context_self(); // public because it's used in simgrid-java XBT_PRIVATE void *SIMIX_context_stack_new(); XBT_PRIVATE void SIMIX_context_stack_delete(void *stack); -XBT_PUBLIC void SIMIX_context_set_current(smx_context_t context); -XBT_PRIVATE smx_context_t SIMIX_context_get_current(); - XBT_PUBLIC int SIMIX_process_get_maxpid(); XBT_PRIVATE void SIMIX_post_create_environment();