X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/fd769219531a772284d75320187a0ef9f8118afd..b9684d3607aa558c95b7185ddf147b478a7e367f:/src/simix/smx_global.cpp diff --git a/src/simix/smx_global.cpp b/src/simix/smx_global.cpp index 2d559e7d9d..6549bdba26 100644 --- a/src/simix/smx_global.cpp +++ b/src/simix/smx_global.cpp @@ -4,24 +4,32 @@ /* 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. */ +#include + +#include /* Signal handling */ #include -#include "src/portable.h" +#include "src/internal_config.h" #include "src/surf/surf_interface.hpp" #include "src/surf/storage_interface.hpp" #include "src/surf/xml/platf.hpp" #include "smx_private.h" -#include "smx_private.hpp" #include "xbt/str.h" #include "xbt/ex.h" /* ex_backtrace_display */ #include "mc/mc.h" #include "src/mc/mc_replay.h" #include "simgrid/sg_config.h" +#include "src/simix/SynchroExec.hpp" +#include "src/simix/SynchroComm.hpp" +#include "src/simix/SynchroSleep.hpp" +#include "src/simix/SynchroIo.hpp" +#include "src/simix/SynchroRaw.hpp" + #if HAVE_MC #include "src/mc/mc_private.h" #include "src/mc/mc_protocol.h" -#include "src/mc/mc_client.h" +#include "src/mc/Client.hpp" #include #include "src/mc/mc_protocol.h" @@ -36,24 +44,20 @@ XBT_LOG_NEW_CATEGORY(simix, "All SIMIX categories"); XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_kernel, simix, "Logging specific to SIMIX (kernel)"); -smx_global_t simix_global = NULL; -static xbt_heap_t simix_timers = NULL; +std::unique_ptr simix_global; +static xbt_heap_t simix_timers = nullptr; /** @brief Timer datatype */ typedef struct s_smx_timer { - double date; - void(* func)(void*); - void* args; -} s_smx_timer_t; + double date = 0.0; + std::packaged_task callback; -void (*SMPI_switch_data_segment)(int) = NULL; - -static void* SIMIX_synchro_mallocator_new_f(void); -static void SIMIX_synchro_mallocator_free_f(void* synchro); -static void SIMIX_synchro_mallocator_reset_f(void* synchro); + s_smx_timer() {} + s_smx_timer(double date, std::packaged_task callback) + : date(date), callback(std::move(callback)) {} +} s_smx_timer_t; -/* FIXME: Yeah, I'll do it in a portable maner one day [Mt] */ -#include +void (*SMPI_switch_data_segment)(int) = nullptr; int _sg_do_verbose_exit = 1; static void inthandler(int ignored) @@ -88,14 +92,14 @@ static void segvhandler(int signum, siginfo_t *siginfo, void *context) } } else if (siginfo->si_signo == SIGSEGV) { fprintf(stderr, "Segmentation fault.\n"); -#ifdef HAVE_SMPI +#if HAVE_SMPI if (smpi_enabled() && !smpi_privatize_global_variables) { -#ifdef HAVE_PRIVATIZATION +#if HAVE_PRIVATIZATION fprintf(stderr, - "Try to enable SMPI variable privatization with --cfg=smpi/privatize_global_variables:yes.\n"); + "Try to enable SMPI variable privatization with --cfg=smpi/privatize-global-variables:yes.\n"); #else fprintf(stderr, - "Sadly, your system does not support --cfg=smpi/privatize_global_variables:yes (yet).\n"); + "Sadly, your system does not support --cfg=smpi/privatize-global-variables:yes (yet).\n"); #endif /* HAVE_PRIVATIZATION */ } #endif /* HAVE_SMPI */ @@ -123,11 +127,11 @@ static void install_segvhandler(void) if (!(old_stack.ss_flags & SS_DISABLE)) { XBT_DEBUG("An alternate stack was already installed (sp=%p, size=%zd, flags=%x). Restore it.", old_stack.ss_sp, old_stack.ss_size, old_stack.ss_flags); - sigaltstack(&old_stack, NULL); + sigaltstack(&old_stack, nullptr); } struct sigaction action, old_action; - action.sa_sigaction = segvhandler; + action.sa_sigaction = &segvhandler; action.sa_flags = SA_ONSTACK | SA_RESETHAND | SA_SIGINFO; sigemptyset(&action.sa_mask); @@ -139,13 +143,13 @@ static void install_segvhandler(void) XBT_DEBUG("A signal handler was already installed for SIGSEGV (%p). Restore it.", (old_action.sa_flags & SA_SIGINFO) ? (void*)old_action.sa_sigaction : (void*)old_action.sa_handler); - sigaction(SIGSEGV, &old_action, NULL); + sigaction(SIGSEGV, &old_action, nullptr); } } #endif /* _WIN32 */ -/********************************* SIMIX **************************************/ +/********************************* SIMIX **************************************/ double SIMIX_timer_next(void) { return xbt_heap_size(simix_timers) > 0 ? xbt_heap_maxkey(simix_timers) : -1.0; @@ -153,13 +157,7 @@ double SIMIX_timer_next(void) static void kill_process(smx_process_t process) { - SIMIX_process_kill(process, NULL); -} - -static void SIMIX_storage_create_(smx_storage_t storage) -{ - const char* key = xbt_dict_get_elm_key(storage); - SIMIX_storage_create(key, storage, NULL); + SIMIX_process_kill(process, nullptr); } static std::function maestro_code; @@ -190,33 +188,23 @@ void SIMIX_set_maestro(void (*code)(void*), void* data) void SIMIX_global_init(int *argc, char **argv) { #if HAVE_MC - _sg_do_model_check = getenv(MC_ENV_VARIABLE) != NULL; + // The communication initialization is done ASAP. + // We need to communicate initialization of the different layers to the model-checker. + simgrid::mc::Client::initialize(); #endif - s_smx_process_t proc; - if (!simix_global) { - simix_global = xbt_new0(s_smx_global_t, 1); + simix_global = std::unique_ptr(new simgrid::simix::Global()); -#ifdef TIME_BENCH_AMDAHL - simix_global->timer_seq = xbt_os_timer_new(); - simix_global->timer_par = xbt_os_timer_new(); - xbt_os_cputimer_start(simix_global->timer_seq); -#endif - simix_global->process_to_run = xbt_dynar_new(sizeof(smx_process_t), NULL); - simix_global->process_that_ran = xbt_dynar_new(sizeof(smx_process_t), NULL); + simgrid::simix::Process proc; + simix_global->process_to_run = xbt_dynar_new(sizeof(smx_process_t), nullptr); + simix_global->process_that_ran = xbt_dynar_new(sizeof(smx_process_t), nullptr); simix_global->process_list = xbt_swag_new(xbt_swag_offset(proc, process_hookup)); simix_global->process_to_destroy = xbt_swag_new(xbt_swag_offset(proc, destroy_hookup)); - - simix_global->maestro_process = NULL; - simix_global->registered_functions = xbt_dict_new_homogeneous(NULL); - - simix_global->create_process_function = SIMIX_process_create; - simix_global->kill_process_function = kill_process; - simix_global->cleanup_process_function = SIMIX_process_cleanup; - simix_global->synchro_mallocator = xbt_mallocator_new(65536, - SIMIX_synchro_mallocator_new_f, SIMIX_synchro_mallocator_free_f, - SIMIX_synchro_mallocator_reset_f); + simix_global->maestro_process = nullptr; + simix_global->create_process_function = &SIMIX_process_create; + simix_global->kill_process_function = &kill_process; + simix_global->cleanup_process_function = &SIMIX_process_cleanup; simix_global->mutex = xbt_os_mutex_init(); surf_init(argc, argv); /* Initialize SURF structures */ @@ -226,12 +214,6 @@ void SIMIX_global_init(int *argc, char **argv) // a context object with the current context mestro): simgrid::simix::create_maestro(maestro_code); - /* context exception handlers */ - __xbt_running_ctx_fetch = SIMIX_process_get_running_context; - __xbt_ex_terminate = SIMIX_process_exception_terminate; - - SIMIX_network_init(); - /* Prepare to display some more info when dying on Ctrl-C pressing */ signal(SIGINT, inthandler); @@ -247,28 +229,24 @@ void SIMIX_global_init(int *argc, char **argv) SIMIX_HOST_LEVEL = simgrid::s4u::Host::extension_create(SIMIX_host_destroy); simgrid::surf::storageCreatedCallbacks.connect([](simgrid::surf::Storage* storage) { - const char* id = storage->getName(); - // TODO, create sg_storage_by_name - sg_storage_t s = xbt_lib_get_elm_or_null(storage_lib, id); - xbt_assert(s != NULL, "Storage not found for name %s", id); - SIMIX_storage_create_(s); - }); + const char* name = storage->getName(); + // TODO, create sg_storage_by_name + sg_storage_t s = xbt_lib_get_elm_or_null(storage_lib, name); + xbt_assert(s != nullptr, "Storage not found for name %s", name); + + SIMIX_storage_create(name, s, nullptr); + }); SIMIX_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, SIMIX_storage_destroy); } - if (!simix_timers) { - simix_timers = xbt_heap_new(8, &free); - } + if (!simix_timers) + simix_timers = xbt_heap_new(8, [](void* p) { + delete static_cast(p); + }); - if (sg_cfg_get_boolean("clean_atexit")) + if (xbt_cfg_get_boolean("clean-atexit")) atexit(SIMIX_clean); -#if HAVE_MC - // The communication initialization is done ASAP. - // We need to communicate initialization of the different layers to the model-checker. - MC_client_init(); -#endif - if (_sg_cfg_exit_asap) exit(0); } @@ -282,10 +260,19 @@ int smx_cleaned = 0; */ void SIMIX_clean(void) { -#ifdef TIME_BENCH_PER_SR - smx_ctx_raw_new_sr(); -#endif if (smx_cleaned) return; // to avoid double cleaning by java and C + +#if HAVE_SMPI + if (SIMIX_process_count()>0){ + if(smpi_process_initialized()){ + xbt_die("Process exited without calling MPI_Finalize - Killing simulation"); + }else{ + XBT_WARN("Process called exit when leaving - Skipping cleanups"); + return; + } + } +#endif + smx_cleaned = 1; XBT_DEBUG("SIMIX_clean called. Simulation's over."); if (!xbt_dynar_is_empty(simix_global->process_to_run) && SIMIX_get_clock() == 0.0) { @@ -298,50 +285,33 @@ void SIMIX_clean(void) SIMIX_process_killall(simix_global->maestro_process, 1); /* Exit the SIMIX network module */ - SIMIX_network_exit(); + SIMIX_mailbox_exit(); xbt_heap_free(simix_timers); - simix_timers = NULL; + simix_timers = nullptr; /* Free the remaining data structures */ xbt_dynar_free(&simix_global->process_to_run); xbt_dynar_free(&simix_global->process_that_ran); xbt_swag_free(simix_global->process_to_destroy); xbt_swag_free(simix_global->process_list); - simix_global->process_list = NULL; - simix_global->process_to_destroy = NULL; - xbt_dict_free(&(simix_global->registered_functions)); + simix_global->process_list = nullptr; + simix_global->process_to_destroy = nullptr; xbt_os_mutex_destroy(simix_global->mutex); - simix_global->mutex = NULL; + simix_global->mutex = nullptr; /* Let's free maestro now */ - SIMIX_context_free(simix_global->maestro_process->context); - xbt_free(simix_global->maestro_process->running_ctx); - xbt_free(simix_global->maestro_process); - simix_global->maestro_process = NULL; - - /* Restore the default exception setup */ - __xbt_running_ctx_fetch = &__xbt_ex_ctx_default; - __xbt_ex_terminate = &__xbt_ex_terminate_default; + delete simix_global->maestro_process->context; + simix_global->maestro_process->context = nullptr; + delete simix_global->maestro_process; + simix_global->maestro_process = nullptr; /* Finish context module and SURF */ SIMIX_context_mod_exit(); surf_exit(); -#ifdef TIME_BENCH_AMDAHL - xbt_os_cputimer_stop(simix_global->timer_seq); - XBT_INFO("Amdahl timing informations. Sequential time: %f; Parallel time: %f", - xbt_os_timer_elapsed(simix_global->timer_seq), - xbt_os_timer_elapsed(simix_global->timer_par)); - xbt_os_timer_free(simix_global->timer_seq); - xbt_os_timer_free(simix_global->timer_par); -#endif - - xbt_mallocator_free(simix_global->synchro_mallocator); - xbt_free(simix_global); - simix_global = NULL; - + simix_global = nullptr; return; } @@ -380,9 +350,8 @@ static int process_syscall_color(void *p) */ void SIMIX_run(void) { - if(MC_record_path) { - MC_record_replay_init(); - MC_record_replay_from_string(MC_record_path); + if (MC_record_path) { + simgrid::mc::replay(MC_record_path); return; } @@ -396,23 +365,12 @@ void SIMIX_run(void) do { XBT_DEBUG("New Schedule Round; size(queue)=%lu", xbt_dynar_length(simix_global->process_to_run)); -#ifdef TIME_BENCH_PER_SR - smx_ctx_raw_new_sr(); -#endif while (!xbt_dynar_is_empty(simix_global->process_to_run)) { XBT_DEBUG("New Sub-Schedule Round; size(queue)=%lu", xbt_dynar_length(simix_global->process_to_run)); /* Run all processes that are ready to run, possibly in parallel */ -#ifdef TIME_BENCH_AMDAHL - xbt_os_cputimer_stop(simix_global->timer_seq); - xbt_os_cputimer_resume(simix_global->timer_par); -#endif SIMIX_process_runall(); -#ifdef TIME_BENCH_AMDAHL - xbt_os_cputimer_stop(simix_global->timer_par); - xbt_os_cputimer_resume(simix_global->timer_seq); -#endif /* Move all killer processes to the end of the list, because killing a process that have an ongoing simcall is a bad idea */ xbt_dynar_three_way_partition(simix_global->process_that_ran, process_syscall_color); @@ -487,7 +445,7 @@ void SIMIX_run(void) XBT_DEBUG("Handling process whose action terminated normally"); while ((action = surf_model_extract_done_action_set(model))) { XBT_DEBUG(" Handling Action %p",action); - if (action->getData() == NULL) + if (action->getData() == nullptr) XBT_DEBUG("probably vcpu's action %p, skip", action); else SIMIX_simcall_exit((smx_synchro_t) action->getData()); @@ -510,9 +468,13 @@ void SIMIX_run(void) //FIXME: make the timers being real callbacks // (i.e. provide dispatchers that read and expand the args) timer = (smx_timer_t) xbt_heap_pop(simix_timers); - if (timer->func) - timer->func(timer->args); - xbt_free(timer); + try { + timer->callback(); + } + catch(...) { + xbt_die("Exception throwed ouf of timer callback"); + } + delete timer; } /* Wake up all processes waiting for a Surf action to finish */ @@ -525,7 +487,7 @@ void SIMIX_run(void) XBT_DEBUG("Handling process whose action terminated normally"); while ((action = surf_model_extract_done_action_set(model))) { XBT_DEBUG(" Handling Action %p",action); - if (action->getData() == NULL) + if (action->getData() == nullptr) XBT_DEBUG("probably vcpu's action %p, skip", action); else SIMIX_simcall_exit((smx_synchro_t) action->getData()); @@ -533,7 +495,7 @@ void SIMIX_run(void) } /* Autorestart all process */ - char *hostname = NULL; + char *hostname = nullptr; xbt_dynar_foreach(host_that_restart,iter,hostname) { XBT_INFO("Restart processes on host: %s",hostname); SIMIX_host_autorestart(sg_host_by_name(hostname)); @@ -569,20 +531,25 @@ void SIMIX_run(void) */ smx_timer_t SIMIX_timer_set(double date, void (*function)(void*), void *arg) { - smx_timer_t timer = xbt_new0(s_smx_timer_t, 1); + smx_timer_t timer = new s_smx_timer_t(date, + std::packaged_task(std::bind(function, arg))); + xbt_heap_push(simix_timers, timer, date); + return timer; +} - timer->date = date; - timer->func = function; - timer->args = arg; +smx_timer_t SIMIX_timer_set(double date, std::packaged_task callback) +{ + smx_timer_t timer = new s_smx_timer_t(date, std::move(callback)); xbt_heap_push(simix_timers, timer, date); return timer; } + /** @brief cancels a timer that was added earlier */ void SIMIX_timer_remove(smx_timer_t timer) { xbt_heap_rm_elm(simix_timers, timer, timer->date); } -/** @brief Returns the date at which the timer will trigger (or 0 if NULL timer) */ +/** @brief Returns the date at which the timer will trigger (or 0 if nullptr timer) */ double SIMIX_timer_get_date(smx_timer_t timer) { return timer?timer->date:0; } @@ -595,8 +562,7 @@ double SIMIX_timer_get_date(smx_timer_t timer) { * to call SIMIX_process_create(). * \param function create process function */ -void SIMIX_function_register_process_create(smx_creation_func_t - function) +void SIMIX_function_register_process_create(smx_creation_func_t function) { simix_global->create_process_function = function; } @@ -632,11 +598,11 @@ void SIMIX_function_register_process_cleanup(void_pfn_smxprocess_t void SIMIX_display_process_status(void) { - if (simix_global->process_list == NULL) { + if (simix_global->process_list == nullptr) { return; } - smx_process_t process = NULL; + smx_process_t process = nullptr; int nbprocess = xbt_swag_size(simix_global->process_list); XBT_INFO("%d processes are still running, waiting for something.", nbprocess); @@ -648,67 +614,45 @@ void SIMIX_display_process_status(void) if (process->waiting_synchro) { const char* synchro_description = "unknown"; - switch (process->waiting_synchro->type) { - case SIMIX_SYNC_EXECUTE: + if (dynamic_cast(process->waiting_synchro) != nullptr) synchro_description = "execution"; - break; - - case SIMIX_SYNC_PARALLEL_EXECUTE: - synchro_description = "parallel execution"; - break; - case SIMIX_SYNC_COMMUNICATE: + if (dynamic_cast(process->waiting_synchro) != nullptr) synchro_description = "communication"; - break; - case SIMIX_SYNC_SLEEP: + if (dynamic_cast(process->waiting_synchro) != nullptr) synchro_description = "sleeping"; + + if (dynamic_cast(process->waiting_synchro) != nullptr) + synchro_description = "synchronization"; + + if (dynamic_cast(process->waiting_synchro) != nullptr) + synchro_description = "I/O"; + + + /* + switch (process->waiting_synchro->type) { + case SIMIX_SYNC_PARALLEL_EXECUTE: + synchro_description = "parallel execution"; break; case SIMIX_SYNC_JOIN: synchro_description = "joining"; break; +*/ - case SIMIX_SYNC_SYNCHRO: - synchro_description = "synchronization"; - break; - - case SIMIX_SYNC_IO: - synchro_description = "I/O"; - break; - } XBT_INFO("Process %lu (%s@%s): waiting for %s synchro %p (%s) in state %d to finish", - process->pid, process->name, sg_host_get_name(process->host), + process->pid, process->name.c_str(), sg_host_get_name(process->host), synchro_description, process->waiting_synchro, - process->waiting_synchro->name, (int)process->waiting_synchro->state); + process->waiting_synchro->name.c_str(), (int)process->waiting_synchro->state); } else { - XBT_INFO("Process %lu (%s@%s)", process->pid, process->name, sg_host_get_name(process->host)); + XBT_INFO("Process %lu (%s@%s)", process->pid, process->name.c_str(), sg_host_get_name(process->host)); } } } -static void* SIMIX_synchro_mallocator_new_f(void) { - smx_synchro_t synchro = xbt_new(s_smx_synchro_t, 1); - synchro->simcalls = xbt_fifo_new(); - return synchro; -} - -static void SIMIX_synchro_mallocator_free_f(void* synchro) { - xbt_fifo_free(((smx_synchro_t) synchro)->simcalls); - xbt_free(synchro); -} - -static void SIMIX_synchro_mallocator_reset_f(void* synchro) { - - // we also recycle the simcall list - xbt_fifo_t fifo = ((smx_synchro_t) synchro)->simcalls; - xbt_fifo_reset(fifo); - memset(synchro, 0, sizeof(s_smx_synchro_t)); - ((smx_synchro_t) synchro)->simcalls = fifo; -} - xbt_dict_t simcall_HANDLER_asr_get_properties(smx_simcall_t simcall, const char *name){ return SIMIX_asr_get_properties(name); } @@ -719,5 +663,5 @@ xbt_dict_t SIMIX_asr_get_properties(const char *name) int SIMIX_is_maestro() { - return simix_global==NULL /*SimDag*/|| SIMIX_process_self() == simix_global->maestro_process; + return simix_global==nullptr /*SimDag*/|| SIMIX_process_self() == simix_global->maestro_process; }