-/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2018. 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. */
-#include <exception>
-#include <functional>
-#include <map>
-#include <string>
-#include <utility>
-
-#include <boost/range/algorithm.hpp>
-
-#include "xbt/ex.hpp"
-#include "xbt/functional.hpp"
-#include "xbt/log.h"
-#include "xbt/sysdep.h"
-
-#include "simgrid/s4u/Host.hpp"
-
#include "mc/mc.h"
-
-#include "smx_private.h"
+#include "smx_private.hpp"
#include "src/kernel/activity/SleepImpl.hpp"
#include "src/kernel/activity/SynchroIo.hpp"
#include "src/kernel/activity/SynchroRaw.hpp"
-#include "src/mc/mc_replay.h"
+#include "src/mc/mc_replay.hpp"
#include "src/mc/remote/Client.hpp"
-#include "src/msg/msg_private.h"
+#include "src/simix/smx_host_private.hpp"
+#include "src/simix/smx_io_private.hpp"
+#include "src/simix/smx_synchro_private.hpp"
#include "src/surf/cpu_interface.hpp"
-#include "src/surf/surf_interface.hpp"
+#include "xbt/ex.hpp"
#ifdef HAVE_SMPI
#include "src/smpi/include/private.hpp"
#endif
+#include <boost/range/algorithm.hpp>
+
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_process, simix, "Logging specific to SIMIX (process)");
unsigned long simix_process_maxpid = 0;
SIMIX_process_on_exit_runall(process);
/* Unregister from the kill timer if any */
- if (process->kill_timer != nullptr)
+ if (process->kill_timer != nullptr) {
SIMIX_timer_remove(process->kill_timer);
+ process->kill_timer = nullptr;
+ }
xbt_os_mutex_acquire(simix_global->mutex);
XBT_DEBUG("%p should not be run anymore",process);
simix_global->process_list.erase(process->pid);
- if (process->host)
- xbt_swag_remove(process, process->host->extension<simgrid::simix::Host>()->process_list);
- xbt_swag_insert(process, simix_global->process_to_destroy);
+ if (process->host && process->host_process_list_hook.is_linked())
+ simgrid::xbt::intrusive_erase(process->host->extension<simgrid::simix::Host>()->process_list, *process);
+ if (not process->smx_destroy_list_hook.is_linked()) {
+#if SIMGRID_HAVE_MC
+ xbt_dynar_push_as(simix_global->dead_actors_vector, smx_actor_t, process);
+#endif
+ simix_global->process_to_destroy.push_back(*process);
+ }
process->context->iwannadie = 0;
xbt_os_mutex_release(simix_global->mutex);
*/
void SIMIX_process_empty_trash()
{
- smx_actor_t process = static_cast<smx_actor_t>(xbt_swag_extract(simix_global->process_to_destroy));
-
- while (process) {
+ while (not simix_global->process_to_destroy.empty()) {
+ smx_actor_t process = &simix_global->process_to_destroy.front();
+ simix_global->process_to_destroy.pop_front();
XBT_DEBUG("Getting rid of %p",process);
intrusive_ptr_release(process);
- process = static_cast<smx_actor_t>(xbt_swag_extract(simix_global->process_to_destroy));
}
+#if SIMGRID_HAVE_MC
+ xbt_dynar_reset(simix_global->dead_actors_vector);
+#endif
}
namespace simgrid {
-namespace simix {
+
+namespace kernel {
+namespace actor {
ActorImpl::~ActorImpl()
{
simgrid::s4u::Actor* ActorImpl::restart()
{
- XBT_DEBUG("Restarting process %s on %s", cname(), host->getCname());
+ XBT_DEBUG("Restarting process %s on %s", get_cname(), host->get_cname());
// retrieve the arguments of the old process
// FIXME: Factorize this with SIMIX_host_add_auto_restart_process ?
- simgrid::simix::ProcessArg arg;
+ simgrid::kernel::actor::ProcessArg arg;
arg.name = name;
arg.code = code;
arg.host = host;
// 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);
+ arg.properties.get(), nullptr);
if (arg.kill_time >= 0)
simcall_process_set_kill_time(actor, arg.kill_time);
if (arg.auto_restart)
return nullptr;
} else {
- return SIMIX_execution_start(this, "suspend", 0.0, 1.0, 0.0);
+ return SIMIX_execution_start("suspend", 0.0, 1.0, 0.0, this->host);
}
}
smx_activity_t ActorImpl::sleep(double duration)
{
if (host->isOff())
- THROWF(host_error, 0, "Host %s failed, you cannot sleep there.", host->getCname());
+ THROWF(host_error, 0, "Host %s failed, you cannot sleep there.", host->get_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);
+ synchro->surf_sleep->set_data(synchro);
XBT_DEBUG("Create sleep synchronization %p", synchro);
return synchro;
{
smx_actor_t maestro = nullptr;
/* Create maestro process and initialize it */
- maestro = new simgrid::simix::ActorImpl();
+ maestro = new simgrid::kernel::actor::ActorImpl();
maestro->pid = simix_process_maxpid++;
maestro->name = "";
- maestro->userdata = nullptr;
+ maestro->setUserData(nullptr);
if (not code) {
maestro->context = SIMIX_context_new(std::function<void()>(), nullptr, maestro);
simix_global->maestro_process = maestro;
}
+} // namespace actor
}
}
/** @brief Creates and runs the maestro process */
void SIMIX_maestro_create(void (*code)(void*), void* data)
{
- simgrid::simix::create_maestro(std::bind(code, data));
+ simgrid::kernel::actor::create_maestro(std::bind(code, data));
}
/**
std::map<std::string, std::string>* properties, smx_actor_t parent_process)
{
- XBT_DEBUG("Start process %s on host '%s'", name, host->getCname());
+ XBT_DEBUG("Start process %s on host '%s'", name, host->get_cname());
if (host->isOff()) {
- XBT_WARN("Cannot launch process '%s' on failed host '%s'", name, host->getCname());
+ XBT_WARN("Cannot launch process '%s' on failed host '%s'", name, host->get_cname());
return nullptr;
}
- smx_actor_t process = new simgrid::simix::ActorImpl();
+ smx_actor_t process = new simgrid::kernel::actor::ActorImpl();
xbt_assert(code && host != nullptr, "Invalid parameters");
/* Process data */
process->pid = simix_process_maxpid++;
process->name = simgrid::xbt::string(name);
process->host = host;
- process->userdata = data;
+ process->setUserData(data);
process->simcall.issuer = process;
if (parent_process != nullptr) {
process->ppid = parent_process->pid;
-/* SMPI process have their own data segment and each other inherit from their father */
-#if HAVE_SMPI
- if (smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP) {
- if (parent_process->pid != 0) {
- process->segment_index = parent_process->segment_index;
- } else {
- process->segment_index = process->pid - 1;
- }
- }
-#endif
}
process->code = code;
/* Add properties */
if (properties != nullptr)
- for (auto kv : *properties)
+ for (auto const& kv : *properties)
process->setProperty(kv.first, kv.second);
/* Make sure that the process is initialized for simix, in case we are called from the Host::onCreation signal */
if (host->extension<simgrid::simix::Host>() == nullptr)
host->extension_set<simgrid::simix::Host>(new simgrid::simix::Host());
- /* Add the process to its host process list */
- xbt_swag_insert(process, host->extension<simgrid::simix::Host>()->process_list);
+ /* Add the process to its host's process list */
+ host->extension<simgrid::simix::Host>()->process_list.push_back(*process);
XBT_DEBUG("Start context '%s'", process->name.c_str());
/* 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->getCname());
+ XBT_DEBUG("Inserting %s(%s) in the to_run list", process->get_cname(), host->get_cname());
simix_global->process_to_run.push_back(process);
intrusive_ptr_add_ref(process);
- /* Tracing the process creation */
- TRACE_msg_process_create(process->cname(), process->pid, process->host);
+ /* The onCreation() signal must be delayed until there, where the pid and everything is set */
+ simgrid::s4u::ActorPtr tmp = process->iface(); // Passing this directly to onCreation will lead to crashes
+ simgrid::s4u::Actor::on_creation(tmp);
return process;
}
return nullptr;
}
- smx_actor_t process = new simgrid::simix::ActorImpl();
+ smx_actor_t process = new simgrid::kernel::actor::ActorImpl();
/* Process data */
process->pid = simix_process_maxpid++;
process->name = std::string(name);
process->host = host;
- process->userdata = data;
+ process->setUserData(data);
process->simcall.issuer = process;
if (parent_process != nullptr) {
process->ppid = parent_process->pid;
- /* SMPI process have their own data segment and each other inherit from their father */
-#if HAVE_SMPI
- if (smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP) {
- if (parent_process->pid != 0) {
- process->segment_index = parent_process->segment_index;
- } else {
- process->segment_index = process->pid - 1;
- }
- }
-#endif
}
/* Process data for auto-restart */
/* Add properties */
if (properties != nullptr)
- for (auto kv : *properties)
+ for (auto const& kv : *properties)
process->setProperty(kv.first, kv.second);
/* Add the process to it's host process list */
- xbt_swag_insert(process, host->extension<simgrid::simix::Host>()->process_list);
+ host->extension<simgrid::simix::Host>()->process_list.push_back(*process);
/* 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->getCname());
+ XBT_DEBUG("Inserting %s(%s) in the to_run list", process->get_cname(), host->get_cname());
simix_global->process_to_run.push_back(process);
+ intrusive_ptr_add_ref(process);
- /* Tracing the process creation */
- TRACE_msg_process_create(process->cname(), process->pid, process->host);
- auto context = dynamic_cast<simgrid::kernel::context::AttachContext*>(process->context);
+ auto* context = dynamic_cast<simgrid::kernel::context::AttachContext*>(process->context);
if (not context)
xbt_die("Not a suitable context");
context->attach_start();
+
+ /* The onCreation() signal must be delayed until there, where the pid and everything is set */
+ simgrid::s4u::ActorPtr tmp = process->iface(); // Passing this directly to onCreation will lead to crashes
+ simgrid::s4u::Actor::on_creation(tmp);
+
return process;
}
void SIMIX_process_detach()
{
- auto context = dynamic_cast<simgrid::kernel::context::AttachContext*>(SIMIX_context_self());
+ auto* context = dynamic_cast<simgrid::kernel::context::AttachContext*>(SIMIX_context_self());
if (not context)
xbt_die("Not a suitable context");
- simix_global->cleanup_process_function(context->process());
-
- // Let maestro ignore we are still alive:
- // xbt_swag_remove(context->process(), simix_global->process_list);
-
- // TODO, Remove from proces list:
- // xbt_swag_remove(process, sg_host_simix(host)->process_list);
-
+ auto process = context->process();
+ simix_global->cleanup_process_function(process);
context->attach_stop();
- // delete context;
}
/**
simix_global->process_to_run.clear();
}
-void simcall_HANDLER_process_kill(smx_simcall_t simcall, smx_actor_t process) {
- SIMIX_process_kill(process, simcall->issuer);
-}
/**
* \brief Internal function to kill a SIMIX process.
*
*/
void SIMIX_process_kill(smx_actor_t process, smx_actor_t issuer) {
- XBT_DEBUG("Killing process %s@%s", process->cname(), process->host->getCname());
+ if (process->finished) {
+ XBT_DEBUG("Ignoring request to kill process %s@%s that is already dead", process->get_cname(),
+ process->host->get_cname());
+ return;
+ }
+
+ XBT_DEBUG("Actor '%s'@%s is killing actor '%s'@%s", issuer->get_cname(), issuer->host->get_cname(),
+ process->get_cname(), process->host->get_cname());
process->context->iwannadie = 1;
process->blocked = 0;
boost::dynamic_pointer_cast<simgrid::kernel::activity::IoImpl>(process->waiting_synchro);
if (exec != nullptr) {
- /* Nothing to do */
+ if (exec->surfAction_) {
+ exec->surfAction_->cancel();
+ exec->surfAction_->unref();
+ exec->surfAction_ = nullptr;
+ }
} else if (comm != nullptr) {
process->comms.remove(process->waiting_synchro);
comm->cancel();
xbt_die("Unknown type of activity");
}
- /*
- switch (process->waiting_synchro->type) {
- case SIMIX_SYNC_JOIN:
- SIMIX_process_sleep_destroy(process->waiting_synchro);
- break;
- } */
-
process->waiting_synchro = nullptr;
}
if (std::find(begin(simix_global->process_to_run), end(simix_global->process_to_run), process) ==
simgrid::kernel::activity::ExecImplPtr exec =
boost::dynamic_pointer_cast<simgrid::kernel::activity::ExecImpl>(process->waiting_synchro);
- if (exec != nullptr) {
- SIMIX_execution_cancel(process->waiting_synchro);
- }
+ if (exec != nullptr && exec->surfAction_)
+ exec->surfAction_->cancel();
simgrid::kernel::activity::CommImplPtr comm =
boost::dynamic_pointer_cast<simgrid::kernel::activity::CommImpl>(process->waiting_synchro);
}
-void simcall_HANDLER_process_killall(smx_simcall_t simcall, int reset_pid) {
- SIMIX_process_killall(simcall->issuer, reset_pid);
-}
/**
* \brief Kills all running processes.
* \param issuer this one will not be killed
*/
-void SIMIX_process_killall(smx_actor_t issuer, int reset_pid)
+void SIMIX_process_killall(smx_actor_t issuer)
{
- for (auto kv : simix_global->process_list)
+ for (auto const& kv : simix_global->process_list)
if (kv.second != issuer)
SIMIX_process_kill(kv.second, issuer);
-
- if (reset_pid > 0)
- simix_process_maxpid = reset_pid;
-
- SIMIX_context_runall();
-
- SIMIX_process_empty_trash();
}
-void SIMIX_process_change_host(smx_actor_t process, sg_host_t dest)
+void SIMIX_process_change_host(smx_actor_t actor, sg_host_t dest)
{
- xbt_assert((process != nullptr), "Invalid parameters");
- xbt_swag_remove(process, process->host->extension<simgrid::simix::Host>()->process_list);
- process->host = dest;
- xbt_swag_insert(process, dest->extension<simgrid::simix::Host>()->process_list);
+ xbt_assert((actor != nullptr), "Invalid parameters");
+ simgrid::xbt::intrusive_erase(actor->host->extension<simgrid::simix::Host>()->process_list, *actor);
+ actor->host = dest;
+ dest->extension<simgrid::simix::Host>()->process_list.push_back(*actor);
}
void simcall_HANDLER_process_suspend(smx_simcall_t simcall, smx_actor_t process)
return process->name.c_str();
}
-smx_actor_t SIMIX_process_get_by_name(const char* name)
-{
- for (auto kv : simix_global->process_list)
- if (kv.second->name == name)
- return kv.second;
- return nullptr;
-}
-
void simcall_HANDLER_process_join(smx_simcall_t simcall, smx_actor_t process, double timeout)
{
if (process->finished) {
simcall->issuer->waiting_synchro = sync;
}
-static int SIMIX_process_join_finish(smx_process_exit_status_t status, void* synchro)
-{
- simgrid::kernel::activity::SleepImpl* sleep = static_cast<simgrid::kernel::activity::SleepImpl*>(synchro);
-
- if (sleep->surf_sleep) {
- sleep->surf_sleep->cancel();
-
- while (not sleep->simcalls.empty()) {
- smx_simcall_t simcall = sleep->simcalls.front();
- sleep->simcalls.pop_front();
- simcall_process_sleep__set__result(simcall, SIMIX_DONE);
- simcall->issuer->waiting_synchro = nullptr;
- if (simcall->issuer->suspended) {
- XBT_DEBUG("Wait! This process is suspended and can't wake up now.");
- simcall->issuer->suspended = 0;
- simcall_HANDLER_process_suspend(simcall, simcall->issuer);
- } else {
- SIMIX_simcall_answer(simcall);
- }
- }
- sleep->surf_sleep->unref();
- sleep->surf_sleep = nullptr;
- }
- // intrusive_ptr_release(process); // FIXME: We are leaking here. See comment in SIMIX_process_join()
- return 0;
-}
-
smx_activity_t SIMIX_process_join(smx_actor_t issuer, smx_actor_t process, double 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,
- * but the code is not clean enough for now for this.
- * The C API should first be properly replaced with the C++ one, which is a fair amount of work.
- */
- intrusive_ptr_add_ref(process);
SIMIX_process_on_exit(process,
[](void*, void* arg) {
- return simgrid::simix::kernelImmediate(
- [&] { return SIMIX_process_join_finish(SMX_EXIT_SUCCESS, arg); });
+ auto sleep = static_cast<simgrid::kernel::activity::SleepImpl*>(arg);
+ if (sleep->surf_sleep)
+ sleep->surf_sleep->finish(simgrid::kernel::resource::Action::State::done);
+ intrusive_ptr_release(sleep);
+ return 0;
},
- &*res);
+ res.get());
return res;
}
*/
void SIMIX_process_yield(smx_actor_t self)
{
- XBT_DEBUG("Yield actor '%s'", self->cname());
+ XBT_DEBUG("Yield actor '%s'", self->get_cname());
/* Go into sleep and return control to maestro */
self->context->suspend();
/* Ok, maestro returned control to us */
XBT_DEBUG("Control returned to me: '%s'", self->name.c_str());
- if (self->new_host) {
- SIMIX_process_change_host(self, self->new_host);
- self->new_host = nullptr;
- }
-
if (self->context->iwannadie){
XBT_DEBUG("I wanna die!");
self->finished = true;
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->userdata,
+ SIMIX_host_add_auto_restart_process(self->host, self->get_cname(), self->code, self->getUserData(),
SIMIX_timer_get_date(self->kill_timer), self->getProperties(),
self->auto_restart);
}
- XBT_DEBUG("Process %s@%s is dead", self->cname(), self->host->getCname());
+ XBT_DEBUG("Process %s@%s is dead", self->get_cname(), self->host->get_cname());
self->context->stop();
}
std::rethrow_exception(std::move(exception));
}
- if(SMPI_switch_data_segment && self->segment_index != -1){
- SMPI_switch_data_segment(self->segment_index);
+ if (SMPI_switch_data_segment && not self->finished) {
+ SMPI_switch_data_segment(self->iface());
}
}
-/* callback: termination */
-void SIMIX_process_exception_terminate(xbt_ex_t * e)
-{
- xbt_ex_display(e);
- xbt_abort();
-}
-
/** @brief Returns the list of processes to run. */
const std::vector<smx_actor_t>& simgrid::simix::process_get_runnable()
{
return process == simix_global->process_list.end() ? nullptr : process->second;
}
-/** @brief returns a dynar containing all currently existing processes */
-xbt_dynar_t SIMIX_processes_as_dynar() {
- xbt_dynar_t res = xbt_dynar_new(sizeof(smx_actor_t),nullptr);
- for (auto kv : simix_global->process_list) {
- smx_actor_t proc = kv.second;
- xbt_dynar_push(res,&proc);
- }
- return res;
-}
-
void SIMIX_process_on_exit_runall(smx_actor_t process) {
+ simgrid::s4u::Actor::on_destruction(process->iface());
smx_process_exit_status_t exit_status = (process->context->iwannadie) ? SMX_EXIT_FAILURE : SMX_EXIT_SUCCESS;
while (not process->on_exit.empty()) {
s_smx_process_exit_fun_t exit_fun = process->on_exit.back();
- (exit_fun.fun)((void*)exit_status, exit_fun.arg);
process->on_exit.pop_back();
+ (exit_fun.fun)((void*)exit_status, exit_fun.arg);
}
}
* \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.
- * It can be retrieved with the function \ref simcall_process_get_data.
+ * It can be retrieved with the method ActorImpl::getUserData().
* \param host where the new agent is executed.
- * \param kill_time time when the process is killed
* \param argc first argument passed to \a code
* \param argv second argument passed to \a code
* \param properties the properties of the process
- * \param auto_restart either it is autorestarting or not.
*/
-extern "C" smx_actor_t simcall_process_create(const char* name, xbt_main_func_t code, void* data, sg_host_t host,
- int argc, char** argv, std::map<std::string, std::string>* properties)
+smx_actor_t simcall_process_create(const char* name, xbt_main_func_t code, void* data, sg_host_t host, int argc,
+ char** argv, std::map<std::string, std::string>* properties)
{
if (name == nullptr)
name = "";