-/* Copyright (c) 2007-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2007-2017. 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 <boost/range/algorithm.hpp>
-#include <xbt/functional.hpp>
-#include <xbt/ex.hpp>
-#include <xbt/sysdep.h>
-#include <xbt/log.h>
-#include <xbt/dict.h>
+#include "xbt/dict.h"
+#include "xbt/ex.hpp"
+#include "xbt/functional.hpp"
+#include "xbt/log.h"
+#include "xbt/sysdep.h"
-#include <simgrid/s4u/host.hpp>
+#include "simgrid/s4u/Host.hpp"
-#include <mc/mc.h>
+#include "mc/mc.h"
#include "smx_private.h"
+#include "src/kernel/activity/SleepImpl.hpp"
#include "src/kernel/activity/SynchroIo.hpp"
#include "src/kernel/activity/SynchroRaw.hpp"
-#include "src/kernel/activity/SynchroSleep.hpp"
#include "src/mc/mc_replay.h"
#include "src/mc/remote/Client.hpp"
#include "src/msg/msg_private.h"
#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.
*
*/
int SIMIX_process_has_pending_comms(smx_actor_t process) {
- return xbt_fifo_size(process->comms) > 0;
+ return process->comms.size() > 0;
}
/**
*/
void SIMIX_process_cleanup(smx_actor_t process)
{
- XBT_DEBUG("Cleanup process %s (%p), waiting synchro %p",
- process->name.c_str(), process, process->waiting_synchro);
+ XBT_DEBUG("Cleanup process %s (%p), waiting synchro %p", process->name.c_str(), process,
+ process->waiting_synchro.get());
process->finished = true;
SIMIX_process_on_exit_runall(process);
/* Unregister from the kill timer if any */
if (process->kill_timer != nullptr)
- SIMIX_timer_remove(process->kill_timer);
+ SIMIX_timer_remove(process->kill_timer);
xbt_os_mutex_acquire(simix_global->mutex);
/* cancel non-blocking communications */
- smx_activity_t synchro = static_cast<smx_activity_t>(xbt_fifo_pop(process->comms));
- while (synchro != nullptr) {
- simgrid::kernel::activity::Comm *comm = static_cast<simgrid::kernel::activity::Comm*>(synchro);
+ smx_activity_t synchro = process->comms.front();
+ while (not process->comms.empty()) {
+ simgrid::kernel::activity::CommImplPtr comm =
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
/* make sure no one will finish the comm after this process is destroyed,
* because src_proc or dst_proc would be an invalid pointer */
- comm->cancel();
if (comm->src_proc == process) {
- XBT_DEBUG("Found an unfinished send comm %p (detached = %d), state %d, src = %p, dst = %p",
- comm, comm->detached, (int)comm->state, comm->src_proc, comm->dst_proc);
+ XBT_DEBUG("Found an unfinished send comm %p (detached = %d), state %d, src = %p, dst = %p", comm.get(),
+ comm->detached, (int)comm->state, comm->src_proc, comm->dst_proc);
comm->src_proc = nullptr;
- /* I'm not supposed to destroy a detached comm from the sender side, */
- if (comm->detached)
- XBT_DEBUG("Don't destroy it since it's a detached comm and I'm the sender");
- else
- comm->unref();
-
- }
- else if (comm->dst_proc == process){
- XBT_DEBUG("Found an unfinished recv comm %p, state %d, src = %p, dst = %p",
- comm, (int)comm->state, comm->src_proc, comm->dst_proc);
+ } else if (comm->dst_proc == process) {
+ XBT_DEBUG("Found an unfinished recv comm %p, state %d, src = %p, dst = %p", comm.get(), (int)comm->state,
+ comm->src_proc, comm->dst_proc);
comm->dst_proc = nullptr;
if (comm->detached && comm->src_proc != nullptr) {
/* the comm will be freed right now, remove it from the sender */
- xbt_fifo_remove(comm->src_proc->comms, comm);
+ comm->src_proc->comms.remove(comm);
}
-
- comm->unref();
} else {
- xbt_die("Communication synchro %p is in my list but I'm not the sender nor the receiver", synchro);
+ xbt_die("Communication synchro %p is in my list but I'm not the sender nor the receiver", synchro.get());
}
- synchro = static_cast<smx_activity_t>(xbt_fifo_pop(process->comms));
+ process->comms.pop_front();
+ synchro = process->comms.front();
+ comm->cancel();
}
XBT_DEBUG("%p should not be run anymore",process);
/**
* Garbage collection
*
- * Should be called some time to time to free the memory allocated for processes
- * that have finished (or killed).
+ * Should be called some time to time to free the memory allocated for processes that have finished (or killed).
*/
void SIMIX_process_empty_trash()
{
- smx_actor_t process = nullptr;
+ smx_actor_t process = static_cast<smx_actor_t>(xbt_swag_extract(simix_global->process_to_destroy));
- while ((process = (smx_actor_t) xbt_swag_extract(simix_global->process_to_destroy))) {
+ while (process) {
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));
}
}
ActorImpl::~ActorImpl()
{
delete this->context;
- if (this->properties)
- xbt_dict_free(&this->properties);
- if (this->comms != nullptr)
- xbt_fifo_free(this->comms);
- if (this->on_exit)
- xbt_dynar_free(&this->on_exit);
+ xbt_dict_free(&this->properties);
+}
+
+static int dying_daemon(void* exit_status, void* data)
+{
+ std::vector<ActorImpl*>* vect = &simix_global->daemons;
+
+ auto it = std::find(vect->begin(), vect->end(), static_cast<ActorImpl*>(data));
+ xbt_assert(it != vect->end(), "The dying daemon is not a daemon after all. Please report that bug.");
+
+ /* Don't move the whole content since we don't really care about the order */
+ std::swap(*it, vect->back());
+ vect->pop_back();
+
+ return 0;
+}
+/** This process will be terminated automatically when the last non-daemon process finishes */
+void ActorImpl::daemonize()
+{
+ if (not daemon) {
+ daemon = true;
+ simix_global->daemons.push_back(this);
+ SIMIX_process_on_exit(this, dying_daemon, this);
+ }
+}
+
+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)
+{
+ 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<void()> code)
/* Create maestro process and initialize it */
maestro = new simgrid::simix::ActorImpl();
maestro->pid = simix_process_maxpid++;
- maestro->ppid = -1;
maestro->name = "";
- maestro->data = nullptr;
+ maestro->userdata = nullptr;
- if (!code) {
+ if (not code) {
maestro->context = SIMIX_context_new(std::function<void()>(), nullptr, maestro);
} else {
- if (!simix_global)
+ if (not simix_global)
xbt_die("simix is not initialized, please call MSG_init first");
maestro->context =
simix_global->context_factory->create_maestro(code, maestro);
*
* \return the process created
*/
-smx_actor_t SIMIX_process_create(
- const char *name,
- std::function<void()> code,
- void *data,
- sg_host_t host,
- xbt_dict_t properties,
- smx_actor_t parent_process)
+smx_actor_t SIMIX_process_create(const char* name, std::function<void()> code, void* data, simgrid::s4u::Host* host,
+ xbt_dict_t properties, smx_actor_t parent_process)
{
- smx_actor_t process = nullptr;
- 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;
}
- else {
- process = new simgrid::simix::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->data = data;
- process->comms = xbt_fifo_new();
- process->simcall.issuer = process;
- /* Initiliaze data segment to default value */
- SIMIX_segment_index_set(process, -1);
-
- if (parent_process != nullptr) {
- process->ppid = parent_process->pid;
- /* SMPI process have their own data segment and each other inherit from their father */
+
+ smx_actor_t process = new simgrid::simix::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->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) {
- if (parent_process->pid != 0) {
- SIMIX_segment_index_set(process, parent_process->segment_index);
- } else {
- SIMIX_segment_index_set(process, process->pid - 1);
- }
- }
+ 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
- } else {
- process->ppid = -1;
- }
+ }
- process->auto_restart = false;
- process->code = code;
+ process->code = code;
- XBT_VERB("Create context %s", process->name.c_str());
- process->context = SIMIX_context_new(std::move(code), simix_global->cleanup_process_function, process);
+ XBT_VERB("Create context %s", process->name.c_str());
+ process->context = SIMIX_context_new(std::move(code), simix_global->cleanup_process_function, process);
- /* Add properties */
- process->properties = properties;
+ /* Add properties */
+ process->properties = properties;
- /* Add the process to it's host process list */
- xbt_swag_insert(process, host->extension<simgrid::simix::Host>()->process_list);
+ /* 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());
- XBT_DEBUG("Start context '%s'", process->name.c_str());
+ /* Add the process to its host process list */
+ xbt_swag_insert(process, host->extension<simgrid::simix::Host>()->process_list);
- /* 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_dynar_push_as(simix_global->process_to_run, smx_actor_t, 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_dynar_push_as(simix_global->process_to_run, smx_actor_t, process);
+ intrusive_ptr_add_ref(process);
+
+ /* Tracing the process creation */
+ TRACE_msg_process_create(process->cname(), process->pid, process->host);
- /* Tracing the process creation */
- TRACE_msg_process_create(process->cname(), process->pid, process->host);
- }
return process;
}
-smx_actor_t SIMIX_process_attach(
- const char* name,
- void *data,
- const char* hostname,
- xbt_dict_t properties,
- smx_actor_t parent_process)
+smx_actor_t SIMIX_process_attach(const char* name, void* data, const char* hostname, xbt_dict_t properties,
+ smx_actor_t parent_process)
{
// This is mostly a copy/paste from SIMIX_process_new(),
// it'd be nice to share some code between those two functions.
process->pid = simix_process_maxpid++;
process->name = std::string(name);
process->host = host;
- process->data = data;
- process->comms = xbt_fifo_new();
+ process->userdata = data;
process->simcall.issuer = process;
- process->ppid = -1;
- /* Initiliaze data segment to default value */
- SIMIX_segment_index_set(process, -1);
+
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) {
+ 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
}
/* Process data for auto-restart */
- process->auto_restart = false;
process->code = nullptr;
XBT_VERB("Create context %s", process->name.c_str());
- if (!simix_global)
+ if (not simix_global)
xbt_die("simix is not initialized, please call MSG_init first");
process->context = simix_global->context_factory->attach(
simix_global->cleanup_process_function, 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->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 */
TRACE_msg_process_create(process->cname(), process->pid, process->host);
auto context = dynamic_cast<simgrid::kernel::context::AttachContext*>(process->context);
- if (!context)
+ if (not context)
xbt_die("Not a suitable context");
context->attach_start();
void SIMIX_process_detach()
{
auto context = dynamic_cast<simgrid::kernel::context::AttachContext*>(SIMIX_context_self());
- if (!context)
+ if (not context)
xbt_die("Not a suitable context");
simix_global->cleanup_process_function(context->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;
process->exception = nullptr;
/* destroy the blocking synchro if any */
- if (process->waiting_synchro) {
-
- simgrid::kernel::activity::Exec *exec = dynamic_cast<simgrid::kernel::activity::Exec*>(process->waiting_synchro);
- simgrid::kernel::activity::Comm *comm = dynamic_cast<simgrid::kernel::activity::Comm*>(process->waiting_synchro);
- simgrid::kernel::activity::Sleep *sleep = dynamic_cast<simgrid::kernel::activity::Sleep*>(process->waiting_synchro);
- simgrid::kernel::activity::Raw *raw = dynamic_cast<simgrid::kernel::activity::Raw*>(process->waiting_synchro);
- simgrid::kernel::activity::Io *io = dynamic_cast<simgrid::kernel::activity::Io*>(process->waiting_synchro);
+ if (process->waiting_synchro != nullptr) {
+
+ simgrid::kernel::activity::ExecImplPtr exec =
+ boost::dynamic_pointer_cast<simgrid::kernel::activity::ExecImpl>(process->waiting_synchro);
+ simgrid::kernel::activity::CommImplPtr comm =
+ boost::dynamic_pointer_cast<simgrid::kernel::activity::CommImpl>(process->waiting_synchro);
+ simgrid::kernel::activity::SleepImplPtr sleep =
+ boost::dynamic_pointer_cast<simgrid::kernel::activity::SleepImpl>(process->waiting_synchro);
+ simgrid::kernel::activity::RawImplPtr raw =
+ boost::dynamic_pointer_cast<simgrid::kernel::activity::RawImpl>(process->waiting_synchro);
+ simgrid::kernel::activity::IoImplPtr io =
+ boost::dynamic_pointer_cast<simgrid::kernel::activity::IoImpl>(process->waiting_synchro);
if (exec != nullptr) {
- exec->unref();
-
+ /* Nothing to do */
} else if (comm != nullptr) {
- xbt_fifo_remove(process->comms, process->waiting_synchro);
+ process->comms.remove(process->waiting_synchro);
comm->cancel();
-
// Remove first occurrence of &process->simcall:
- auto i = boost::range::find(
- process->waiting_synchro->simcalls,
- &process->simcall);
+ auto i = boost::range::find(process->waiting_synchro->simcalls, &process->simcall);
if (i != process->waiting_synchro->simcalls.end())
process->waiting_synchro->simcalls.remove(&process->simcall);
-
- comm->unref();
-
} else if (sleep != nullptr) {
SIMIX_process_sleep_destroy(process->waiting_synchro);
} else if (raw != nullptr) {
SIMIX_synchro_stop_waiting(process, &process->simcall);
- delete process->waiting_synchro;
} else if (io != nullptr) {
SIMIX_io_destroy(process->waiting_synchro);
+ } else {
+ xbt_die("Unknown type of activity");
}
/*
process->waiting_synchro = nullptr;
}
- if(!xbt_dynar_member(simix_global->process_to_run, &(process)) && process != issuer) {
+ if (not xbt_dynar_member(simix_global->process_to_run, &(process)) && process != issuer) {
XBT_DEBUG("Inserting %s in the to_run list", process->name.c_str());
xbt_dynar_push_as(simix_global->process_to_run, smx_actor_t, process);
}
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) {
- simgrid::kernel::activity::Exec *exec = dynamic_cast<simgrid::kernel::activity::Exec*>(process->waiting_synchro);
+ 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);
}
- simgrid::kernel::activity::Comm *comm = dynamic_cast<simgrid::kernel::activity::Comm*>(process->waiting_synchro);
+ simgrid::kernel::activity::CommImplPtr comm =
+ boost::dynamic_pointer_cast<simgrid::kernel::activity::CommImpl>(process->waiting_synchro);
if (comm != nullptr) {
- xbt_fifo_remove(process->comms, comm);
+ process->comms.remove(comm);
comm->cancel();
}
- simgrid::kernel::activity::Sleep *sleep = dynamic_cast<simgrid::kernel::activity::Sleep*>(process->waiting_synchro);
+ simgrid::kernel::activity::SleepImplPtr sleep =
+ boost::dynamic_pointer_cast<simgrid::kernel::activity::SleepImpl>(process->waiting_synchro);
if (sleep != nullptr) {
SIMIX_process_sleep_destroy(process->waiting_synchro);
- if (!xbt_dynar_member(simix_global->process_to_run, &(process)) && process != SIMIX_process_self()) {
+ if (not xbt_dynar_member(simix_global->process_to_run, &(process)) && process != SIMIX_process_self()) {
XBT_DEBUG("Inserting %s in the to_run list", process->name.c_str());
xbt_dynar_push_as(simix_global->process_to_run, smx_actor_t, process);
}
}
- simgrid::kernel::activity::Raw *raw = dynamic_cast<simgrid::kernel::activity::Raw*>(process->waiting_synchro);
+ simgrid::kernel::activity::RawImplPtr raw =
+ boost::dynamic_pointer_cast<simgrid::kernel::activity::RawImpl>(process->waiting_synchro);
if (raw != nullptr) {
SIMIX_synchro_stop_waiting(process, &process->simcall);
}
- simgrid::kernel::activity::Io *io = dynamic_cast<simgrid::kernel::activity::Io*>(process->waiting_synchro);
+ simgrid::kernel::activity::IoImplPtr io =
+ boost::dynamic_pointer_cast<simgrid::kernel::activity::IoImpl>(process->waiting_synchro);
if (io != nullptr) {
SIMIX_io_destroy(process->waiting_synchro);
}
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");
xbt_swag_insert(process, dest->extension<simgrid::simix::Host>()->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);
/* 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(!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;
}
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();
- if (!self) {
+ 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 */
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) {
simcall->issuer->waiting_synchro = sync;
}
-static int SIMIX_process_join_finish(smx_process_exit_status_t status, smx_activity_t synchro){
- simgrid::kernel::activity::Sleep *sleep = static_cast<simgrid::kernel::activity::Sleep*>(synchro);
+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 (!sleep->simcalls.empty()) {
+ while (not sleep->simcalls.empty()) {
smx_simcall_t simcall = sleep->simcalls.front();
sleep->simcalls.pop_front();
simcall_process_sleep__set__result(simcall, SIMIX_DONE);
sleep->surf_sleep->unref();
sleep->surf_sleep = nullptr;
}
- sleep->unref();
+ // 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 = SIMIX_process_sleep(issuer, timeout);
- static_cast<simgrid::kernel::activity::ActivityImpl*>(res)->ref();
- SIMIX_process_on_exit(process, (int_f_pvoid_pvoid_t)SIMIX_process_join_finish, res);
+ 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, (int_f_pvoid_pvoid_t)SIMIX_process_join_finish, &*res);
return res;
}
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::Sleep *synchro = new simgrid::kernel::activity::Sleep();
- 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 synchro %p", synchro);
- simgrid::kernel::activity::Sleep *sleep = static_cast<simgrid::kernel::activity::Sleep*>(synchro);
+ XBT_DEBUG("Destroy sleep synchro %p", synchro.get());
+ simgrid::kernel::activity::SleepImplPtr sleep =
+ boost::dynamic_pointer_cast<simgrid::kernel::activity::SleepImpl>(synchro);
if (sleep->surf_sleep) {
sleep->surf_sleep->unref();
sleep->surf_sleep = nullptr;
- sleep->unref();
}
}
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();
}
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) {
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.
*/
/**
* \brief Returns the process from PID.
*/
-smx_actor_t SIMIX_process_from_PID(int PID)
+smx_actor_t SIMIX_process_from_PID(aid_t PID)
{
if (simix_global->process_list.find(PID) == simix_global->process_list.end())
return nullptr;
}
void SIMIX_process_on_exit_runall(smx_actor_t process) {
- s_smx_process_exit_fun_t exit_fun;
smx_process_exit_status_t exit_status = (process->context->iwannadie) ? SMX_EXIT_FAILURE : SMX_EXIT_SUCCESS;
- while (!xbt_dynar_is_empty(process->on_exit)) {
- exit_fun = xbt_dynar_pop_as(process->on_exit,s_smx_process_exit_fun_t);
+ 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();
}
}
void SIMIX_process_on_exit(smx_actor_t process, int_f_pvoid_pvoid_t fun, void *data) {
xbt_assert(process, "current process not found: are you in maestro context ?");
- if (!process->on_exit) {
- process->on_exit = xbt_dynar_new(sizeof(s_smx_process_exit_fun_t), nullptr);
- }
-
s_smx_process_exit_fun_t exit_fun = {fun, data};
- xbt_dynar_push_as(process->on_exit,s_smx_process_exit_fun_t,exit_fun);
+ process->on_exit.push_back(exit_fun);
}
/**
}
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.
*
* \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
* \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, xbt_dict_t properties)
{
