/* 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 <string>
+#include <utility>
+
#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 <simgrid/s4u/host.hpp>
+
+#include <mc/mc.h>
+
#include "src/surf/surf_interface.hpp"
#include "smx_private.h"
-#include "xbt/sysdep.h"
-#include "xbt/log.h"
-#include "xbt/dict.h"
-#include "mc/mc.h"
#include "src/mc/mc_replay.h"
#include "src/mc/Client.hpp"
#include "src/msg/msg_private.h"
-
-#include "src/simix/SynchroSleep.hpp"
-#include "src/simix/SynchroRaw.hpp"
-#include "src/simix/SynchroIo.hpp"
+#include "src/kernel/activity/SynchroSleep.hpp"
+#include "src/kernel/activity/SynchroRaw.hpp"
+#include "src/kernel/activity/SynchroIo.hpp"
#ifdef HAVE_SMPI
#include "src/smpi/private.h"
unsigned long simix_process_maxpid = 0;
+/** Increase the refcount for this process */
+smx_process_t SIMIX_process_ref(smx_process_t process)
+{
+ if (process != nullptr)
+ intrusive_ptr_add_ref(process);
+ return process;
+}
+
+/** Decrease the refcount for this process */
+void SIMIX_process_unref(smx_process_t process)
+{
+ if (process != nullptr)
+ intrusive_ptr_release(process);
+}
+
/**
* \brief Returns the current agent.
*
*
* \return The SIMIX process
*/
-smx_process_t SIMIX_process_self(void)
+smx_process_t SIMIX_process_self()
{
smx_context_t self_context = SIMIX_context_self();
- return self_context ? self_context->process() : nullptr;
+ return (self_context != nullptr) ? self_context->process() : nullptr;
}
/**
XBT_DEBUG("Cleanup process %s (%p), waiting synchro %p",
process->name.c_str(), process, process->waiting_synchro);
+ process->finished = true;
SIMIX_process_on_exit_runall(process);
/* Unregister from the kill timer if any */
xbt_os_mutex_acquire(simix_global->mutex);
/* cancel non-blocking communications */
- smx_synchro_t synchro;
- while ((synchro = (smx_synchro_t) xbt_fifo_pop(process->comms))) {
- simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
+ smx_synchro_t synchro = static_cast<smx_synchro_t>(xbt_fifo_pop(process->comms));
+ while (synchro != nullptr) {
+ simgrid::kernel::activity::Comm *comm = static_cast<simgrid::kernel::activity::Comm*>(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 */
} else {
xbt_die("Communication synchro %p is in my list but I'm not the sender nor the receiver", synchro);
}
+ synchro = static_cast<smx_synchro_t>(xbt_fifo_pop(process->comms));
}
XBT_DEBUG("%p should not be run anymore",process);
* Should be called some time to time to free the memory allocated for processes
* that have finished (or killed).
*/
-void SIMIX_process_empty_trash(void)
+void SIMIX_process_empty_trash()
{
smx_process_t process = nullptr;
* and stops its context.
*/
void SIMIX_process_stop(smx_process_t arg) {
+ arg->finished = true;
/* execute the on_exit functions */
SIMIX_process_on_exit_runall(arg);
/* Add the process to the list of process to restart, only if the host is down */
process->ppid = SIMIX_process_get_PID(parent_process);
/* SMPI process have their own data segment and
each other inherit from their father */
- #if HAVE_SMPI
+#if HAVE_SMPI
if(smpi_privatize_global_variables){
if(parent_process->pid != 0){
SIMIX_segment_index_set(process, parent_process->segment_index);
SIMIX_segment_index_set(process, process->pid - 1);
}
}
- #endif
+#endif
}
/* Process data for auto-restart */
return process;
}
-void SIMIX_process_detach(void)
+void SIMIX_process_detach()
{
auto context = dynamic_cast<simgrid::simix::AttachContext*>(SIMIX_context_self());
if (!context)
* The two lists are swapped so, be careful when using them before and after a
* call to this function.
*/
-void SIMIX_process_runall(void)
+void SIMIX_process_runall()
{
SIMIX_context_runall();
/* destroy the blocking synchro if any */
if (process->waiting_synchro) {
- simgrid::simix::Exec *exec = dynamic_cast<simgrid::simix::Exec*>(process->waiting_synchro);
- simgrid::simix::Comm *comm = dynamic_cast<simgrid::simix::Comm*>(process->waiting_synchro);
- simgrid::simix::Sleep *sleep = dynamic_cast<simgrid::simix::Sleep*>(process->waiting_synchro);
- simgrid::simix::Raw *raw = dynamic_cast<simgrid::simix::Raw*>(process->waiting_synchro);
- simgrid::simix::Io *io = dynamic_cast<simgrid::simix::Io*>(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 (exec != nullptr) {
exec->unref();
xbt_fifo_remove(process->comms, process->waiting_synchro);
comm->cancel();
- // Remove first occurence of &process->simcall:
+ // Remove first occurrence of &process->simcall:
auto i = boost::range::find(
process->waiting_synchro->simcalls,
&process->simcall);
XBT_DEBUG("Inserting %s in the to_run list", process->name.c_str());
xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, process);
}
-
}
/** @brief Ask another process to raise the given exception
/* cancel the blocking synchro if any */
if (process->waiting_synchro) {
- simgrid::simix::Exec *exec = dynamic_cast<simgrid::simix::Exec*>(process->waiting_synchro);
+ simgrid::kernel::activity::Exec *exec = dynamic_cast<simgrid::kernel::activity::Exec*>(process->waiting_synchro);
if (exec != nullptr) {
SIMIX_execution_cancel(process->waiting_synchro);
}
- simgrid::simix::Comm *comm = dynamic_cast<simgrid::simix::Comm*>(process->waiting_synchro);
+ simgrid::kernel::activity::Comm *comm = dynamic_cast<simgrid::kernel::activity::Comm*>(process->waiting_synchro);
if (comm != nullptr) {
xbt_fifo_remove(process->comms, comm);
comm->cancel();
}
- simgrid::simix::Sleep *sleep = dynamic_cast<simgrid::simix::Sleep*>(process->waiting_synchro);
+ simgrid::kernel::activity::Sleep *sleep = dynamic_cast<simgrid::kernel::activity::Sleep*>(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()) {
}
}
- simgrid::simix::Raw *raw = dynamic_cast<simgrid::simix::Raw*>(process->waiting_synchro);
+ simgrid::kernel::activity::Raw *raw = dynamic_cast<simgrid::kernel::activity::Raw*>(process->waiting_synchro);
if (raw != nullptr) {
SIMIX_synchro_stop_waiting(process, &process->simcall);
}
- simgrid::simix::Io *io = dynamic_cast<simgrid::simix::Io*>(process->waiting_synchro);
+ simgrid::kernel::activity::Io *io = dynamic_cast<simgrid::kernel::activity::Io*>(process->waiting_synchro);
if (io != nullptr) {
SIMIX_io_destroy(process->waiting_synchro);
}
{
process->new_host = dest;
}
-void SIMIX_process_change_host(smx_process_t process,
- sg_host_t dest)
+void SIMIX_process_change_host(smx_process_t process, sg_host_t dest)
{
xbt_assert((process != nullptr), "Invalid parameters");
xbt_swag_remove(process, sg_host_simix(process->host)->process_list);
XBT_OUT();
}
-int SIMIX_process_get_maxpid(void) {
+int SIMIX_process_get_maxpid() {
return simix_process_maxpid;
}
-int SIMIX_process_count(void)
+int SIMIX_process_count()
{
return xbt_swag_size(simix_global->process_list);
}
/* needs to be public and without simcall because it is called
by exceptions and logging events */
-const char* SIMIX_process_self_get_name(void) {
+const char* SIMIX_process_self_get_name() {
smx_process_t process = SIMIX_process_self();
if (process == nullptr || process == simix_global->maestro_process)
void simcall_HANDLER_process_join(smx_simcall_t simcall, smx_process_t process, double timeout)
{
+ if (process->finished) {
+ // The joined process is already finished, just wake up the issuer process right away
+ simcall_process_sleep__set__result(simcall, SIMIX_DONE);
+ SIMIX_simcall_answer(simcall);
+ return;
+ }
smx_synchro_t sync = SIMIX_process_join(simcall->issuer, process, timeout);
sync->simcalls.push_back(simcall);
simcall->issuer->waiting_synchro = sync;
}
static int SIMIX_process_join_finish(smx_process_exit_status_t status, smx_synchro_t synchro){
- simgrid::simix::Sleep *sleep = static_cast<simgrid::simix::Sleep*>(synchro);
+ simgrid::kernel::activity::Sleep *sleep = static_cast<simgrid::kernel::activity::Sleep*>(synchro);
if (sleep->surf_sleep) {
sleep->surf_sleep->cancel();
sleep->surf_sleep->unref();
sleep->surf_sleep = nullptr;
}
- delete sleep;
+ sleep->unref();
return 0;
}
smx_synchro_t SIMIX_process_join(smx_process_t issuer, smx_process_t process, double timeout)
{
smx_synchro_t res = SIMIX_process_sleep(issuer, timeout);
+ static_cast<simgrid::kernel::activity::Synchro*>(res)->ref();
SIMIX_process_on_exit(process, (int_f_pvoid_pvoid_t)SIMIX_process_join_finish, res);
return res;
}
if (host->isOff())
THROWF(host_error, 0, "Host %s failed, you cannot call this function", sg_host_get_name(host));
- simgrid::simix::Sleep *synchro = new simgrid::simix::Sleep();
+ simgrid::kernel::activity::Sleep *synchro = new simgrid::kernel::activity::Sleep();
synchro->host = host;
synchro->surf_sleep = surf_host_sleep(host, duration);
synchro->surf_sleep->setData(synchro);
void SIMIX_process_sleep_destroy(smx_synchro_t synchro)
{
XBT_DEBUG("Destroy synchro %p", synchro);
- simgrid::simix::Sleep *sleep = static_cast<simgrid::simix::Sleep*>(synchro);
+ simgrid::kernel::activity::Sleep *sleep = static_cast<simgrid::kernel::activity::Sleep*>(synchro);
if (sleep->surf_sleep) {
sleep->surf_sleep->unref();
sleep->surf_sleep = nullptr;
+ sleep->unref();
}
}
/**
* \brief Returns the list of processes to run.
*/
-xbt_dynar_t SIMIX_process_get_runnable(void)
+xbt_dynar_t SIMIX_process_get_runnable()
{
return simix_global->process_to_run;
}
{
smx_process_t proc;
xbt_swag_foreach(proc, simix_global->process_list) {
- if (proc->pid == (unsigned long) PID)
+ if (proc->pid == static_cast<unsigned long> (PID))
return proc;
}
return nullptr;
}
-/** @brief returns a dynar containg all currently existing processes */
-xbt_dynar_t SIMIX_processes_as_dynar(void) {
+/** @brief returns a dynar containing all currently existing processes */
+xbt_dynar_t SIMIX_processes_as_dynar() {
smx_process_t proc;
xbt_dynar_t res = xbt_dynar_new(sizeof(smx_process_t),nullptr);
xbt_swag_foreach(proc, simix_global->process_list) {
return res;
}
-
void SIMIX_process_on_exit_runall(smx_process_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;
+ 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);
(exit_fun.fun)((void*)exit_status, exit_fun.arg);
}
/** @brief Restart a process, starting it again from the beginning. */
smx_process_t SIMIX_process_restart(smx_process_t process, smx_process_t issuer) {
- XBT_DEBUG("Restarting process %s on %s",
- process->name.c_str(), sg_host_get_name(process->host));
+ XBT_DEBUG("Restarting process %s on %s", process->name.c_str(), sg_host_get_name(process->host));
//retrieve the arguments of the old process
//FIXME: Factorize this with SIMIX_host_add_auto_restart_process ?
//start the new process
if (simix_global->create_process_function)
- return simix_global->create_process_function(
- arg.name.c_str(), std::move(arg.code), arg.data,
- arg.hostname, arg.kill_time,
- arg.properties, arg.auto_restart,
- nullptr);
+ return simix_global->create_process_function(arg.name.c_str(), std::move(arg.code), arg.data, arg.hostname,
+ arg.kill_time, arg.properties, arg.auto_restart, nullptr);
else
- return simcall_process_create(
- arg.name.c_str(), std::move(arg.code), arg.data,
- arg.hostname, arg.kill_time,
+ return simcall_process_create(arg.name.c_str(), std::move(arg.code), arg.data, arg.hostname, arg.kill_time,
arg.properties, arg.auto_restart);
}
proc->segment_index = index;
}
+/**
+ * \ingroup simix_process_management
+ * \brief Creates and runs a new SIMIX process.
+ *
+ * The structure and the corresponding thread are created and put in the list of ready processes.
+ *
+ * \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.
+ * It can be retrieved with the function \ref simcall_process_get_data.
+ * \param hostname name of the 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.
+ */
+smx_process_t simcall_process_create(const char *name,
+ xbt_main_func_t code,
+ void *data,
+ const char *hostname,
+ double kill_time,
+ int argc, char **argv,
+ xbt_dict_t properties,
+ int auto_restart)
+{
+ if (name == nullptr)
+ name = "";
+ auto wrapped_code = simgrid::xbt::wrapMain(code, argc, argv);
+ for (int i = 0; i != argc; ++i)
+ xbt_free(argv[i]);
+ xbt_free(argv);
+ smx_process_t res = simcall_process_create(name,
+ std::move(wrapped_code),
+ data, hostname, kill_time, properties, auto_restart);
+ return res;
+}
+
smx_process_t simcall_process_create(
const char *name, std::function<void()> code, void *data,
const char *hostname, double kill_time,
if (name == nullptr)
name = "";
smx_process_t self = SIMIX_process_self();
- return simgrid::simix::kernel([&] {
- return SIMIX_process_create(name,
- std::move(code), data, hostname,
- kill_time, properties, auto_restart,
- self);
+ return simgrid::simix::kernelImmediate([&] {
+ return SIMIX_process_create(name, std::move(code), data, hostname, kill_time, properties, auto_restart, self);
});
-}
\ No newline at end of file
+}