X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8bcc1dbe28f658ea786ba234a679601edd30758a..8cf6e30af8de6686461b6b1b52ba578df01de985:/src/simix/smx_private.h diff --git a/src/simix/smx_private.h b/src/simix/smx_private.h index d908a7d326..85d2dfa15a 100644 --- a/src/simix/smx_private.h +++ b/src/simix/smx_private.h @@ -7,328 +7,65 @@ #ifndef _SIMIX_PRIVATE_H #define _SIMIX_PRIVATE_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 "xbt/ex_interface.h" -#include "instr/instr_private.h" -#include "smx_process_private.h" -#include "smx_host_private.h" -#include "smx_io_private.h" -#include "smx_network_private.h" -#include "popping_private.h" -#include "smx_synchro_private.h" +#include +#include "src/kernel/context/Context.hpp" -SG_BEGIN_DECL() +/********************************** Simix Global ******************************/ -/* Define only for SimGrid benchmarking purposes */ -//#define TIME_BENCH_PER_SR /* this aims at measuring the time spent in each scheduling round per each thread. The code is thus run in sequential to bench separately each SSR */ -//#define TIME_BENCH_AMDAHL /* this aims at measuring the porting of time that could be parallelized at maximum (to get the optimal speedup by applying the amdahl law). */ -//#define ADAPTIVE_THRESHOLD /* this is to enable the adaptive threshold algorithm in raw contexts*/ -//#define TIME_BENCH_ENTIRE_SRS /* more general benchmark than TIME_BENCH_PER_SR. It aims to measure the total time spent in a whole scheduling round (including synchro costs)*/ +namespace simgrid { +namespace simix { -#ifdef TIME_BENCH_PER_SR -XBT_PRIVATE void smx_ctx_raw_new_sr(void); -#endif -/********************************** Simix Global ******************************/ -typedef struct s_smx_global { - smx_context_factory_t context_factory; - xbt_dynar_t process_to_run; - xbt_dynar_t process_that_ran; - xbt_swag_t process_list; - xbt_swag_t process_to_destroy; - smx_process_t maestro_process; - xbt_dict_t registered_functions; - smx_creation_func_t create_process_function; - void_pfn_smxprocess_t_smxprocess_t kill_process_function; +class Global { +public: + smx_context_factory_t context_factory = nullptr; + xbt_dynar_t process_to_run = nullptr; + xbt_dynar_t process_that_ran = nullptr; + xbt_swag_t process_list = nullptr; + xbt_swag_t process_to_destroy = nullptr; + smx_actor_t maestro_process = nullptr; + + // Maps function names to actor code: + std::unordered_map registered_functions; + + // This might be used when no corresponding function name is registered: + simgrid::simix::ActorCodeFactory default_function; + + smx_creation_func_t create_process_function = nullptr; + void_pfn_smxprocess_t kill_process_function = nullptr; /** Callback used when killing a SMX_process */ - void_pfn_smxprocess_t cleanup_process_function; - xbt_mallocator_t synchro_mallocator; - void_pfn_sghost_t autorestart; + void_pfn_smxprocess_t cleanup_process_function = nullptr; + xbt_os_mutex_t mutex = nullptr; -#ifdef TIME_BENCH_AMDAHL - xbt_os_timer_t timer_seq; /* used to bench the sequential and parallel parts of the simulation, if requested to */ - xbt_os_timer_t timer_par; -#endif + std::vector> tasks; + std::vector> tasksTemp; +}; - xbt_os_mutex_t mutex; -} s_smx_global_t, *smx_global_t; +} +} + +SG_BEGIN_DECL() -XBT_PUBLIC_DATA(smx_global_t) simix_global; -extern XBT_PRIVATE unsigned long simix_process_maxpid; +XBT_PUBLIC_DATA(std::unique_ptr) simix_global; -XBT_PUBLIC(void) SIMIX_clean(void); +XBT_PUBLIC(void) SIMIX_clean(); /******************************** Exceptions *********************************/ /** @brief Ask to the provided simix process to raise the provided exception */ -#define SMX_EXCEPTION(issuer, cat, val, msg) \ - if (1) { \ - smx_process_t _smx_throw_issuer = (issuer); /* evaluate only once */\ - THROW_PREPARE(_smx_throw_issuer->running_ctx, (cat), (val), xbt_strdup(msg)); \ - _smx_throw_issuer->doexception = 1; \ +#define SMX_EXCEPTION(issuer, cat, val, msg) \ + if (1) { \ + smx_actor_t _smx_throw_issuer = (issuer); /* evaluate only once */ \ + xbt_ex e(XBT_THROW_POINT, msg); \ + e.category = cat; \ + e.value = val; \ + _smx_throw_issuer->exception = std::make_exception_ptr(e); \ } else ((void)0) -#define SMX_THROW() RETHROW - /* ******************************** File ************************************ */ typedef struct s_smx_file { surf_file_t surf_file; void* data; /**< @brief user data */ } s_smx_file_t; -/*********************************** Time ************************************/ - -/** @brief Timer datatype */ -typedef struct s_smx_timer { - double date; - void* func; - void* args; -} s_smx_timer_t; - -/********************************* synchro *************************************/ - -typedef enum { - SIMIX_SYNC_EXECUTE, - SIMIX_SYNC_PARALLEL_EXECUTE, - SIMIX_SYNC_COMMUNICATE, - SIMIX_SYNC_JOIN, - SIMIX_SYNC_SLEEP, - SIMIX_SYNC_SYNCHRO, - SIMIX_SYNC_IO, -} e_smx_synchro_type_t; - -typedef enum { - SIMIX_COMM_SEND, - SIMIX_COMM_RECEIVE, - SIMIX_COMM_READY, - SIMIX_COMM_DONE -} e_smx_comm_type_t; - -typedef enum { - SIMIX_IO_OPEN, - SIMIX_IO_WRITE, - SIMIX_IO_READ, - SIMIX_IO_STAT -} e_smx_io_type_t; - -/** @brief synchro datatype */ -typedef struct s_smx_synchro { - - e_smx_synchro_type_t type; /* Type of SIMIX synchro */ - e_smx_state_t state; /* State of the synchro */ - char *name; /* synchro name if any */ - xbt_fifo_t simcalls; /* List of simcalls waiting for this synchro */ - - /* Data specific to each synchro type */ - union { - - struct { - sg_host_t host; /* The host where the execution takes place */ - surf_action_t surf_exec; /* The Surf execution action encapsulated */ - } execution; /* Possibly parallel execution */ - - struct { - e_smx_comm_type_t type; /* Type of the communication (SIMIX_COMM_SEND or SIMIX_COMM_RECEIVE) */ - smx_rdv_t rdv; /* Rendez-vous where the comm is queued */ - -#ifdef HAVE_MC - smx_rdv_t rdv_cpy; /* Copy of the rendez-vous where the comm is queued, MC needs it for DPOR - (comm.rdv set to NULL when the communication is removed from the mailbox - (used as garbage collector)) */ -#endif - int refcount; /* Number of processes involved in the cond */ - int detached; /* If detached or not */ - - void (*clean_fun)(void*); /* Function to clean the detached src_buf if something goes wrong */ - int (*match_fun)(void*,void*,smx_synchro_t); /* Filter function used by the other side. It is used when - looking if a given communication matches my needs. For that, myself must match the - expectations of the other side, too. See */ - void (*copy_data_fun) (smx_synchro_t, void*, size_t); - - /* Surf action data */ - surf_action_t surf_comm; /* The Surf communication action encapsulated */ - surf_action_t src_timeout; /* Surf's actions to instrument the timeouts */ - surf_action_t dst_timeout; /* Surf's actions to instrument the timeouts */ - smx_process_t src_proc; - smx_process_t dst_proc; - double rate; - double task_size; - - /* Data to be transfered */ - void *src_buff; - void *dst_buff; - size_t src_buff_size; - size_t *dst_buff_size; - unsigned copied:1; /* whether the data were already copied */ - - void* src_data; /* User data associated to communication */ - void* dst_data; - } comm; - - struct { - sg_host_t host; /* The host that is sleeping */ - surf_action_t surf_sleep; /* The Surf sleeping action encapsulated */ - } sleep; - - struct { - surf_action_t sleep; - } synchro; - - struct { - sg_host_t host; - surf_action_t surf_io; - } io; - }; - -#ifdef HAVE_LATENCY_BOUND_TRACKING - int latency_limited; -#endif - - char *category; /* simix action category for instrumentation */ -} s_smx_synchro_t; - -XBT_PRIVATE void SIMIX_context_mod_init(void); -XBT_PRIVATE void SIMIX_context_mod_exit(void); - -#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. */ -#ifdef HAVE_VALGRIND_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 - -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); - -/* All factories init */ - -XBT_PRIVATE void SIMIX_ctx_thread_factory_init(smx_context_factory_t *factory); -XBT_PRIVATE void SIMIX_ctx_sysv_factory_init(smx_context_factory_t *factory); -XBT_PRIVATE void SIMIX_ctx_raw_factory_init(smx_context_factory_t *factory); -XBT_PRIVATE void SIMIX_ctx_boost_factory_init(smx_context_factory_t *factory); - -/* ****************************** */ -/* context manipulation functions */ -/* ****************************** */ - -/* Scenario for the end of a context: - * - * CASE 1: death after end of the main function - * the context_wrapper, called internally by the context module, calls - * SIMIX_context_stop after user code stops, smx_context_stop calls user - * cleanup_func if any (in context settings), add current process to trashbin - * and yields back to maestro. - * From time to time, maestro calls SIMIX_context_empty_trash, which destroy - * all the process and context data structures, and frees the memory - * - * CASE 2: brutal death - * SIMIX_process_kill (from any process) set process->iwannadie = 1 and then - * schedules the process. Then the process is awaken in the middle of the - * SIMIX_process_yield function, and at the end of it, it checks that - * iwannadie == 1, and call SIMIX_context_stop(same than first case afterward) - */ - -/** - * \brief creates a new context for a user level process - * \param code a main function - * \param argc the number of arguments of the main function - * \param argv the vector of arguments of the main function - * \param cleanup_func the function to call when the context stops - * \param cleanup_arg the argument of the cleanup_func function - */ -static XBT_INLINE smx_context_t SIMIX_context_new(xbt_main_func_t code, - int argc, char **argv, - void_pfn_smxprocess_t cleanup_func, - smx_process_t simix_process) -{ - if (!simix_global) - xbt_die("simix is not initialized, please call MSG_init first"); - return simix_global->context_factory->create_context(code, - argc, argv, - cleanup_func, - simix_process); -} - -/** - * \brief destroy a context - * \param context the context to destroy - * Argument must be stopped first -- runs in maestro context - */ -static XBT_INLINE void SIMIX_context_free(smx_context_t context) -{ - simix_global->context_factory->free(context); -} - -/** - * \brief stops the execution of a context - * \param context to stop - */ -static XBT_INLINE void SIMIX_context_stop(smx_context_t context) -{ - simix_global->context_factory->stop(context); -} - -/** - \brief suspends a context and return the control back to the one which - scheduled it - \param context the context to be suspended (it must be the running one) - */ -static XBT_INLINE void SIMIX_context_suspend(smx_context_t context) -{ - simix_global->context_factory->suspend(context); -} - -/** - \brief Executes all the processes to run (in parallel if possible). - */ -static XBT_INLINE void SIMIX_context_runall(void) -{ - if (!xbt_dynar_is_empty(simix_global->process_to_run)) { - simix_global->context_factory->runall(); - } -} - -/** - \brief returns the current running context - */ -static XBT_INLINE smx_context_t SIMIX_context_self(void) -{ - if (simix_global && simix_global->context_factory) { - return simix_global->context_factory->self(); - } - return NULL; -} - -/** - \brief returns the SIMIX process associated to a context - \param context The context - \return The SIMIX process - */ -static XBT_INLINE smx_process_t SIMIX_context_get_process(smx_context_t context) -{ - return simix_global->context_factory->get_process(context); -} - -XBT_PUBLIC(int) SIMIX_process_get_maxpid(void); - -XBT_PRIVATE void SIMIX_post_create_environment(void); SG_END_DECL()