X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2f3bc1bedb87e982714241309c59180d10d87c94..7c4bef6efee6ba4a06f99e78ea1198d74dc520fc:/src/simix/ActorImpl.cpp diff --git a/src/simix/ActorImpl.cpp b/src/simix/ActorImpl.cpp index e57bd31193..afdedc1bc5 100644 --- a/src/simix/ActorImpl.cpp +++ b/src/simix/ActorImpl.cpp @@ -31,28 +31,13 @@ #include "src/surf/surf_interface.hpp" #ifdef HAVE_SMPI -#include "src/smpi/private.h" +#include "src/smpi/include/private.hpp" #endif XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_process, simix, "Logging specific to SIMIX (process)"); unsigned long simix_process_maxpid = 0; -/** Increase the refcount for this process */ -smx_actor_t SIMIX_process_ref(smx_actor_t process) -{ - if (process != nullptr) - intrusive_ptr_add_ref(process); - return process; -} - -/** Decrease the refcount for this process */ -void SIMIX_process_unref(smx_actor_t process) -{ - if (process != nullptr) - intrusive_ptr_release(process); -} - /** * \brief Returns the current agent. * @@ -182,10 +167,88 @@ void ActorImpl::daemonize() } } -/** Whether this process is daemonized */ -bool ActorImpl::isDaemon() +ActorImpl* ActorImpl::restart(ActorImpl* issuer) +{ + XBT_DEBUG("Restarting process %s on %s", cname(), host->getCname()); + + // retrieve the arguments of the old process + // FIXME: Factorize this with SIMIX_host_add_auto_restart_process ? + simgrid::simix::ProcessArg arg; + arg.name = name; + arg.code = code; + arg.host = host; + arg.kill_time = SIMIX_timer_get_date(kill_timer); + arg.data = userdata; + arg.properties = nullptr; + arg.auto_restart = auto_restart; + + // kill the old process + SIMIX_process_kill(this, issuer); + + // start the new process + ActorImpl* actor = simix_global->create_process_function(arg.name.c_str(), std::move(arg.code), arg.data, arg.host, + arg.properties, nullptr); + if (arg.kill_time >= 0) + simcall_process_set_kill_time(actor, arg.kill_time); + if (arg.auto_restart) + actor->auto_restart = arg.auto_restart; + + return actor; +} + +smx_activity_t ActorImpl::suspend(ActorImpl* issuer) +{ + if (suspended) { + XBT_DEBUG("Actor '%s' is already suspended", name.c_str()); + return nullptr; + } + + suspended = 1; + + /* If we are suspending another actor that is waiting on a sync, suspend its synchronization. */ + if (this != issuer) { + if (waiting_synchro) + waiting_synchro->suspend(); + /* If the other actor is not waiting, its suspension is delayed to when the actor is rescheduled. */ + + return nullptr; + } else { + return SIMIX_execution_start(this, "suspend", 0.0, 1.0, 0.0); + } +} + +void ActorImpl::resume() +{ + XBT_IN("process = %p", this); + + if (context->iwannadie) { + XBT_VERB("Ignoring request to suspend an actor that is currently dying."); + return; + } + + if (not suspended) + return; + suspended = 0; + + /* resume the synchronization that was blocking the resumed actor. */ + if (waiting_synchro) + waiting_synchro->resume(); + + XBT_OUT(); +} + +smx_activity_t ActorImpl::sleep(double duration) { - return daemon; + if (host->isOff()) + THROWF(host_error, 0, "Host %s failed, you cannot sleep there.", host->getCname()); + + simgrid::kernel::activity::SleepImpl* synchro = new simgrid::kernel::activity::SleepImpl(); + synchro->host = host; + synchro->surf_sleep = host->pimpl_cpu->sleep(duration); + synchro->surf_sleep->setData(synchro); + XBT_DEBUG("Create sleep synchronization %p", synchro); + + return synchro; } void create_maestro(std::function code) @@ -195,7 +258,7 @@ void create_maestro(std::function code) maestro = new simgrid::simix::ActorImpl(); maestro->pid = simix_process_maxpid++; maestro->name = ""; - maestro->data = nullptr; + maestro->userdata = nullptr; if (not code) { maestro->context = SIMIX_context_new(std::function(), nullptr, maestro); @@ -232,10 +295,10 @@ smx_actor_t SIMIX_process_create(const char* name, std::function code, v xbt_dict_t properties, smx_actor_t parent_process) { - XBT_DEBUG("Start process %s on host '%s'", name, host->cname()); + XBT_DEBUG("Start process %s on host '%s'", name, host->getCname()); if (host->isOff()) { - XBT_WARN("Cannot launch process '%s' on failed host '%s'", name, host->cname()); + XBT_WARN("Cannot launch process '%s' on failed host '%s'", name, host->getCname()); return nullptr; } @@ -246,7 +309,7 @@ smx_actor_t SIMIX_process_create(const char* name, std::function code, v process->pid = simix_process_maxpid++; process->name = simgrid::xbt::string(name); process->host = host; - process->data = data; + process->userdata = data; process->simcall.issuer = process; if (parent_process != nullptr) { @@ -255,9 +318,9 @@ smx_actor_t SIMIX_process_create(const char* name, std::function code, v #if HAVE_SMPI if (smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP) { if (parent_process->pid != 0) { - SIMIX_segment_index_set(process, parent_process->segment_index); + process->segment_index = parent_process->segment_index; } else { - SIMIX_segment_index_set(process, process->pid - 1); + process->segment_index = process->pid - 1; } } #endif @@ -282,7 +345,7 @@ smx_actor_t SIMIX_process_create(const char* name, std::function code, v /* Now insert it in the global process list and in the process to run list */ simix_global->process_list[process->pid] = process; - XBT_DEBUG("Inserting %s(%s) in the to_run list", process->cname(), host->cname()); + XBT_DEBUG("Inserting %s(%s) in the to_run list", process->cname(), host->getCname()); xbt_dynar_push_as(simix_global->process_to_run, smx_actor_t, process); intrusive_ptr_add_ref(process); @@ -312,7 +375,7 @@ smx_actor_t SIMIX_process_attach(const char* name, void* data, const char* hostn process->pid = simix_process_maxpid++; process->name = std::string(name); process->host = host; - process->data = data; + process->userdata = data; process->simcall.issuer = process; if (parent_process != nullptr) { @@ -321,9 +384,9 @@ smx_actor_t SIMIX_process_attach(const char* name, void* data, const char* hostn #if HAVE_SMPI if (smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP) { if (parent_process->pid != 0) { - SIMIX_segment_index_set(process, parent_process->segment_index); + process->segment_index = parent_process->segment_index; } else { - SIMIX_segment_index_set(process, process->pid - 1); + process->segment_index = process->pid - 1; } } #endif @@ -346,7 +409,7 @@ smx_actor_t SIMIX_process_attach(const char* name, void* data, const char* hostn /* Now insert it in the global process list and in the process to run list */ simix_global->process_list[process->pid] = process; - XBT_DEBUG("Inserting %s(%s) in the to_run list", process->cname(), host->cname()); + XBT_DEBUG("Inserting %s(%s) in the to_run list", process->cname(), host->getCname()); xbt_dynar_push_as(simix_global->process_to_run, smx_actor_t, process); /* Tracing the process creation */ @@ -411,7 +474,7 @@ void simcall_HANDLER_process_kill(smx_simcall_t simcall, smx_actor_t process) { */ void SIMIX_process_kill(smx_actor_t process, smx_actor_t issuer) { - XBT_DEBUG("Killing process %s@%s", process->cname(), process->host->cname()); + XBT_DEBUG("Killing process %s@%s", process->cname(), process->host->getCname()); process->context->iwannadie = 1; process->blocked = 0; @@ -433,7 +496,7 @@ void SIMIX_process_kill(smx_actor_t process, smx_actor_t issuer) { boost::dynamic_pointer_cast(process->waiting_synchro); if (exec != nullptr) { - + /* Nothing to do */ } else if (comm != nullptr) { process->comms.remove(process->waiting_synchro); comm->cancel(); @@ -449,6 +512,8 @@ void SIMIX_process_kill(smx_actor_t process, smx_actor_t issuer) { } else if (io != nullptr) { SIMIX_io_destroy(process->waiting_synchro); + } else { + xbt_die("Unknown type of activity"); } /* @@ -477,7 +542,7 @@ void SIMIX_process_throw(smx_actor_t process, xbt_errcat_t cat, int value, const SMX_EXCEPTION(process, cat, value, msg); if (process->suspended) - SIMIX_process_resume(process); + process->resume(); /* cancel the blocking synchro if any */ if (process->waiting_synchro) { @@ -542,11 +607,6 @@ void SIMIX_process_killall(smx_actor_t issuer, int reset_pid) SIMIX_process_empty_trash(); } -void simcall_HANDLER_process_set_host(smx_simcall_t simcall, smx_actor_t process, sg_host_t dest) -{ - process->new_host = dest; -} - void SIMIX_process_change_host(smx_actor_t process, sg_host_t dest) { xbt_assert((process != nullptr), "Invalid parameters"); @@ -555,10 +615,9 @@ void SIMIX_process_change_host(smx_actor_t process, sg_host_t dest) xbt_swag_insert(process, dest->extension()->process_list); } - void simcall_HANDLER_process_suspend(smx_simcall_t simcall, smx_actor_t process) { - smx_activity_t sync_suspend = SIMIX_process_suspend(process, simcall->issuer); + smx_activity_t sync_suspend = process->suspend(simcall->issuer); if (process != simcall->issuer) { SIMIX_simcall_answer(simcall); @@ -570,48 +629,6 @@ void simcall_HANDLER_process_suspend(smx_simcall_t simcall, smx_actor_t process) /* If we are suspending ourselves, then just do not finish the simcall now */ } -smx_activity_t SIMIX_process_suspend(smx_actor_t process, smx_actor_t issuer) -{ - if (process->suspended) { - XBT_DEBUG("Process '%s' is already suspended", process->name.c_str()); - return nullptr; - } - - process->suspended = 1; - - /* If we are suspending another process that is waiting on a sync, suspend its synchronization. */ - if (process != issuer) { - - if (process->waiting_synchro) - process->waiting_synchro->suspend(); - /* If the other process is not waiting, its suspension is delayed to when the process is rescheduled. */ - - return nullptr; - } else { - return SIMIX_execution_start(process, "suspend", 0.0, 1.0, 0.0); - } -} - -void SIMIX_process_resume(smx_actor_t process) -{ - XBT_IN("process = %p", process); - - if (process->context->iwannadie) { - XBT_VERB("Ignoring request to suspend a process that is currently dying."); - return; - } - - if (not process->suspended) - return; - process->suspended = 0; - - /* resume the synchronization that was blocking the resumed process. */ - if (process->waiting_synchro) - process->waiting_synchro->resume(); - - XBT_OUT(); -} - int SIMIX_process_get_maxpid() { return simix_process_maxpid; } @@ -621,14 +638,6 @@ int SIMIX_process_count() return simix_global->process_list.size(); } -int SIMIX_process_get_PID(smx_actor_t self) -{ - if (self == nullptr) - return 0; - else - return self->pid; -} - void* SIMIX_process_self_get_data() { smx_actor_t self = SIMIX_process_self(); @@ -636,20 +645,14 @@ void* SIMIX_process_self_get_data() if (not self) { return nullptr; } - return self->data; + return self->getUserData(); } void SIMIX_process_self_set_data(void *data) { - smx_actor_t self = SIMIX_process_self(); - - SIMIX_process_set_data(self, data); + SIMIX_process_self()->setUserData(data); } -void SIMIX_process_set_data(smx_actor_t process, void *data) -{ - process->data = data; -} /* needs to be public and without simcall because it is called by exceptions and logging events */ @@ -670,16 +673,6 @@ smx_actor_t SIMIX_process_get_by_name(const char* name) return nullptr; } -int SIMIX_process_is_suspended(smx_actor_t process) -{ - return process->suspended; -} - -xbt_dict_t SIMIX_process_get_properties(smx_actor_t process) -{ - return process->properties; -} - void simcall_HANDLER_process_join(smx_simcall_t simcall, smx_actor_t process, double timeout) { if (process->finished) { @@ -722,7 +715,7 @@ static int SIMIX_process_join_finish(smx_process_exit_status_t status, void* syn smx_activity_t SIMIX_process_join(smx_actor_t issuer, smx_actor_t process, double timeout) { - smx_activity_t res = SIMIX_process_sleep(issuer, timeout); + smx_activity_t res = issuer->sleep(timeout); intrusive_ptr_add_ref(res.get()); /* We are leaking the process here, but if we don't take the ref, we get a "use after free". * The correct solution would be to derivate the type SynchroSleep into a SynchroProcessJoin, @@ -742,27 +735,11 @@ void simcall_HANDLER_process_sleep(smx_simcall_t simcall, double duration) SIMIX_simcall_answer(simcall); return; } - smx_activity_t sync = SIMIX_process_sleep(simcall->issuer, duration); + smx_activity_t sync = simcall->issuer->sleep(duration); sync->simcalls.push_back(simcall); simcall->issuer->waiting_synchro = sync; } -smx_activity_t SIMIX_process_sleep(smx_actor_t process, double duration) -{ - sg_host_t host = process->host; - - if (host->isOff()) - THROWF(host_error, 0, "Host %s failed, you cannot sleep there.", host->cname()); - - simgrid::kernel::activity::SleepImpl* synchro = new simgrid::kernel::activity::SleepImpl(); - synchro->host = host; - synchro->surf_sleep = host->pimpl_cpu->sleep(duration); - synchro->surf_sleep->setData(synchro); - XBT_DEBUG("Create sleep synchronization %p", synchro); - - return synchro; -} - void SIMIX_process_sleep_destroy(smx_activity_t synchro) { XBT_DEBUG("Destroy sleep synchro %p", synchro.get()); @@ -805,13 +782,10 @@ void SIMIX_process_yield(smx_actor_t self) SIMIX_process_on_exit_runall(self); /* Add the process to the list of process to restart, only if the host is down */ if (self->auto_restart && self->host->isOff()) { - SIMIX_host_add_auto_restart_process(self->host, self->cname(), - self->code, self->data, - SIMIX_timer_get_date(self->kill_timer), - self->properties, - self->auto_restart); + SIMIX_host_add_auto_restart_process(self->host, self->cname(), self->code, self->userdata, + SIMIX_timer_get_date(self->kill_timer), self->properties, self->auto_restart); } - XBT_DEBUG("Process %s@%s is dead", self->cname(), self->host->cname()); + XBT_DEBUG("Process %s@%s is dead", self->cname(), self->host->getCname()); self->context->stop(); } @@ -819,7 +793,7 @@ void SIMIX_process_yield(smx_actor_t self) XBT_DEBUG("Hey! I'm suspended."); xbt_assert(self->exception != nullptr, "Gasp! This exception may be lost by subsequent calls."); self->suspended = 0; - SIMIX_process_suspend(self, self); + self->suspend(self); } if (self->exception != nullptr) { @@ -841,14 +815,6 @@ void SIMIX_process_exception_terminate(xbt_ex_t * e) xbt_abort(); } -smx_context_t SIMIX_process_get_context(smx_actor_t p) { - return p->context; -} - -void SIMIX_process_set_context(smx_actor_t p,smx_context_t c) { - p->context = c; -} - /** * \brief Returns the list of processes to run. */ @@ -904,41 +870,10 @@ void SIMIX_process_auto_restart_set(smx_actor_t process, int auto_restart) { } smx_actor_t simcall_HANDLER_process_restart(smx_simcall_t simcall, smx_actor_t process) { - return SIMIX_process_restart(process, simcall->issuer); -} -/** @brief Restart a process, starting it again from the beginning. */ -smx_actor_t SIMIX_process_restart(smx_actor_t process, smx_actor_t issuer) { - XBT_DEBUG("Restarting process %s on %s", process->cname(), process->host->cname()); - - //retrieve the arguments of the old process - //FIXME: Factorize this with SIMIX_host_add_auto_restart_process ? - simgrid::simix::ProcessArg arg; - arg.name = process->name; - arg.code = process->code; - arg.host = process->host; - arg.kill_time = SIMIX_timer_get_date(process->kill_timer); - arg.data = process->data; - arg.properties = nullptr; - arg.auto_restart = process->auto_restart; - - //kill the old process - SIMIX_process_kill(process, issuer); - - //start the new process - smx_actor_t actor = simix_global->create_process_function(arg.name.c_str(), std::move(arg.code), arg.data, arg.host, - arg.properties, nullptr); - if (arg.kill_time >= 0) - simcall_process_set_kill_time(actor, arg.kill_time); - if (arg.auto_restart) - simcall_process_auto_restart_set(actor, arg.auto_restart); - - return actor; -} - -void SIMIX_segment_index_set(smx_actor_t proc, int index){ - proc->segment_index = index; + return process->restart(simcall->issuer); } +/** @brief Restart a process, starting it again from the beginning. */ /** * \ingroup simix_process_management * \brief Creates and runs a new SIMIX process. @@ -947,7 +882,8 @@ void SIMIX_segment_index_set(smx_actor_t proc, int index){ * * \param name a name for the process. It is for user-level information and can be nullptr. * \param code the main function of the process - * \param data a pointer to any data one may want to attach to the new object. It is for user-level information and can be nullptr. + * \param data a pointer to any data one may want to attach to the new object. It is for user-level information and can + * be nullptr. * It can be retrieved with the function \ref simcall_process_get_data. * \param host where the new agent is executed. * \param kill_time time when the process is killed