/** Retrieve the size of the received data. Not to be mixed with @ref Activity::set_remaining() */
size_t get_dst_data_size();
+ s4u::ActorPtr get_sender();
+
#ifndef DOXYGEN
XBT_ATTRIB_DEPRECATED_v324("Please use Comm::wait_for()") void wait(double t) override { wait_for(t); }
XBT_ATTRIB_DEPRECATED_v323("Please use Comm::set_rate()") Activity* setRate(double rate)
/* 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 "simgrid/Exception.hpp"
#include <cmath>
+#include "simgrid/Exception.hpp"
#include "simgrid/s4u/Comm.hpp"
#include "simgrid/s4u/Mailbox.hpp"
#include "src/instr/instr_private.hpp"
#include "src/kernel/activity/ExecImpl.hpp"
#include "src/msg/msg_private.hpp"
-#include "src/simix/smx_private.hpp" /* MSG_task_listen looks inside the rdv directly. Not clean. */
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_gos, msg, "Logging specific to MSG (gos)");
-/**
- * @brief Executes a task and waits for its termination.
- *
- * This function is used for describing the behavior of a process. It takes only one parameter.
- * @param task a #msg_task_t to execute on the location on which the process is running.
- * @return #MSG_OK if the task was successfully completed, #MSG_TASK_CANCELED or #MSG_HOST_FAILURE otherwise
- */
-msg_error_t MSG_task_execute(msg_task_t task)
-{
- return MSG_parallel_task_execute(task);
-}
-
/**
* @brief Executes a parallel task and waits for its termination.
*
* @param task a #msg_task_t to execute on the location on which the process is running.
*
- * @return #MSG_OK if the task was successfully completed, #MSG_TASK_CANCELED
- * or #MSG_HOST_FAILURE otherwise
+ * @return #MSG_OK if the task was successfully completed, #MSG_TASK_CANCELED or #MSG_HOST_FAILURE otherwise
*/
msg_error_t MSG_parallel_task_execute(msg_task_t task)
{
e_smx_state_t comp_state;
msg_error_t status = MSG_OK;
- xbt_assert((not task->compute) && not task->is_used, "This task is executed somewhere else. Go fix your code!");
+ xbt_assert((not task->compute) && not task->is_used(), "This task is executed somewhere else. Go fix your code!");
XBT_DEBUG("Computing on %s", MSG_process_get_name(MSG_process_self()));
- if (task->flops_amount <= 0.0 && not task->host_nb) {
+ if (task->flops_amount <= 0.0 && not task->hosts_.empty()) {
return MSG_OK;
}
try {
task->set_used();
- if (task->host_nb > 0) {
- task->compute = boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(
- simcall_execution_parallel_start(std::move(task->get_name()), task->host_nb, task->host_list,
- task->flops_parallel_amount, task->bytes_parallel_amount, -1.0, timeout));
- XBT_DEBUG("Parallel execution action created: %p", task->compute.get());
- if (task->has_tracing_category())
- simgrid::simix::simcall([task] { task->compute->set_category(std::move(task->get_tracing_category())); });
- } else {
- sg_host_t host = MSG_process_get_host(MSG_process_self());
- task->compute = simgrid::simix::simcall([task, host] {
- return simgrid::kernel::activity::ExecImplPtr(new simgrid::kernel::activity::ExecImpl(
- std::move(task->get_name()), std::move(task->get_tracing_category()), host));
- });
- /* checking for infinite values */
- xbt_assert(std::isfinite(task->flops_amount), "flops_amount is not finite!");
- xbt_assert(std::isfinite(task->priority), "priority is not finite!");
-
- task->compute->start(task->flops_amount, task->priority, task->bound);
- }
+ task->compute = boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(simcall_execution_parallel_start(
+ std::move(task->get_name()), task->hosts_.size(), task->hosts_.data(),
+ (task->flops_parallel_amount.empty() ? nullptr : task->flops_parallel_amount.data()),
+ (task->bytes_parallel_amount.empty() ? nullptr : task->bytes_parallel_amount.data()), -1.0, timeout));
+ XBT_DEBUG("Parallel execution action created: %p", task->compute.get());
+ if (task->has_tracing_category())
+ simgrid::simix::simcall([task] { task->compute->set_category(std::move(task->get_tracing_category())); });
comp_state = simcall_execution_wait(task->compute);
* @param alias name of the mailbox to receive the task from
* @param rate limit the reception to rate bandwidth (byte/sec)
*
- * The rate parameter can be used to receive a task with a limited
- * bandwidth (smaller than the physical available value). Use
- * MSG_task_receive() if you don't limit the rate (or pass -1 as a
- * rate value do disable this feature).
+ * The rate parameter can be used to receive a task with a limited bandwidth (smaller than the physical available
+ * value). Use MSG_task_receive() if you don't limit the rate (or pass -1 as a rate value do disable this feature).
*
* @return Returns
* #MSG_OK if the task was successfully received,
* #MSG_OK if the task was successfully received,
* #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise.
*/
-msg_error_t MSG_task_receive_with_timeout_bounded(msg_task_t * task, const char *alias, double timeout,double rate)
+msg_error_t MSG_task_receive_with_timeout_bounded(msg_task_t* task, const char* alias, double timeout, double rate)
{
return MSG_task_receive_ext_bounded(task, alias, timeout, nullptr, rate);
}
* @param host a #msg_host_t host from where the task was sent
* @param rate limit the reception to rate bandwidth (byte/sec)
*
- * The rate parameter can be used to receive a task with a limited
- * bandwidth (smaller than the physical available value). Use
- * MSG_task_receive_ext() if you don't limit the rate (or pass -1 as a
- * rate value do disable this feature).
+ * The rate parameter can be used to receive a task with a limited bandwidth (smaller than the physical available
+ * value). Use MSG_task_receive_ext() if you don't limit the rate (or pass -1 as a rate value do disable this feature).
*
* @return Returns
* #MSG_OK if the task was successfully received,
static inline msg_comm_t MSG_task_isend_internal(msg_task_t task, const char* alias, void_f_pvoid_t cleanup,
bool detached)
{
- msg_process_t myself = MSG_process_self();
- simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::by_name(alias);
TRACE_msg_task_put_start(task);
/* Prepare the task to send */
- task->sender = myself;
task->set_used();
task->comm = nullptr;
msg_global->sent_msg++;
- simgrid::s4u::CommPtr comm = mailbox->put_init(task, task->bytes_amount)->set_rate(task->rate);
+ simgrid::s4u::CommPtr comm =
+ simgrid::s4u::Mailbox::by_name(alias)->put_init(task, task->bytes_amount)->set_rate(task->get_rate());
task->comm = comm;
if (detached)
comm->detach(cleanup);
*/
msg_comm_t MSG_task_isend_bounded(msg_task_t task, const char *alias, double maxrate)
{
- task->rate = maxrate;
+ task->set_rate(maxrate);
return MSG_task_isend_internal(task, alias, nullptr, false);
}
*/
void MSG_task_dsend_bounded(msg_task_t task, const char *alias, void_f_pvoid_t cleanup, double maxrate)
{
- task->rate = maxrate;
+ task->set_rate(maxrate);
MSG_task_dsend(task, alias, cleanup);
}
* @brief This function checks if a communication is finished.
* @param comms a vector of communications
* @return the position of the finished communication if any
- * (but it may have failed, use MSG_comm_get_status() to know its status),
- * or -1 if none is finished
+ * (but it may have failed, use MSG_comm_get_status() to know its status), or -1 if none is finished
*/
int MSG_comm_testany(xbt_dynar_t comms)
{
/**
* @brief Returns the error (if any) that occurred during a finished communication.
* @param comm a finished communication
- * @return the status of the communication, or #MSG_OK if no error occurred
- * during the communication
+ * @return the status of the communication, or #MSG_OK if no error occurred during the communication
*/
msg_error_t MSG_comm_get_status(msg_comm_t comm) {
* This is a blocking function, the execution flow will be blocked until the task is sent. The maxrate parameter allows
* the application to limit the bandwidth utilization of network links when sending the task.
*
- * The maxrate parameter can be used to send a task with a limited
- * bandwidth (smaller than the physical available value). Use
- * MSG_task_send() if you don't limit the rate (or pass -1 as a rate
- * value do disable this feature).
+ * The maxrate parameter can be used to send a task with a limited bandwidth (smaller than the physical available
+ * value). Use MSG_task_send() if you don't limit the rate (or pass -1 as a rate value do disable this feature).
*
* @param task the task to be sent
* @param alias the mailbox name to where the task is sent
*/
msg_error_t MSG_task_send_bounded(msg_task_t task, const char *alias, double maxrate)
{
- task->rate = maxrate;
+ task->set_rate(maxrate);
return MSG_task_send(task, alias);
}
TRACE_msg_task_put_start(task);
/* Prepare the task to send */
- task->sender = MSG_process_self();
task->set_used();
msg_global->sent_msg++;
/* Try to send it */
try {
simgrid::s4u::CommPtr comm =
- simgrid::s4u::Mailbox::by_name(alias)->put_init(task, task->bytes_amount)->set_rate(task->rate);
+ simgrid::s4u::Mailbox::by_name(alias)->put_init(task, task->bytes_amount)->set_rate(task->get_rate());
task->comm = comm;
comm->start();
if (TRACE_is_enabled() && task->has_tracing_category())
*
* This is a blocking function, the execution flow will be blocked until the task is sent or the timeout is achieved.
*
- * The maxrate parameter can be used to send a task with a limited
- * bandwidth (smaller than the physical available value). Use
- * MSG_task_send_with_timeout() if you don't limit the rate (or pass -1 as a rate
- * value do disable this feature).
+ * The maxrate parameter can be used to send a task with a limited bandwidth (smaller than the physical available
+ * value). Use MSG_task_send_with_timeout() if you don't limit the rate (or pass -1 as a rate value do disable this
+ * feature).
*
* @param task the task to be sent
* @param alias the mailbox name to where the task is sent
*/
msg_error_t MSG_task_send_with_timeout_bounded(msg_task_t task, const char *alias, double timeout, double maxrate)
{
- task->rate = maxrate;
+ task->set_rate(maxrate);
return MSG_task_send_with_timeout(task, alias, timeout);
}
* @param alias the name of the mailbox to be considered
*
* @return Returns the PID of sender process,
- * -1 if there is no communication in the mailbox.
+ * -1 if there is no communication in the mailbox.#include <cmath>
+ *
*/
int MSG_task_listen_from(const char *alias)
{
+ /* looks inside the rdv directly. Not clean. */
simgrid::kernel::activity::CommImplPtr comm = simgrid::s4u::Mailbox::by_name(alias)->front();
- return comm ? MSG_process_get_PID(static_cast<msg_task_t>(comm->src_buff_)->sender) : -1;
-}
-
-/**
- * @brief Sets the tracing category of a task.
- *
- * This function should be called after the creation of a MSG task, to define the category of that task. The
- * first parameter task must contain a task that was created with the function #MSG_task_create. The second
- * parameter category must contain a category that was previously declared with the function #TRACE_category
- * (or with #TRACE_category_with_color).
- *
- * See @ref outcomes_vizu for details on how to trace the (categorized) resource utilization.
- *
- * @param task the task that is going to be categorized
- * @param category the name of the category to be associated to the task
- *
- * @see MSG_task_get_category, TRACE_category, TRACE_category_with_color
- */
-void MSG_task_set_category (msg_task_t task, const char *category)
-{
- xbt_assert(not task->has_tracing_category(), "Task %p(%s) already has a category (%s).", task, task->get_cname(),
- task->get_tracing_category().c_str());
-
- // if user provides a nullptr category, task is no longer traced
- if (category == nullptr) {
- task->set_tracing_category("");
- XBT_DEBUG("MSG task %p(%s), category removed", task, task->get_cname());
- } else {
- // set task category
- task->set_tracing_category(category);
- XBT_DEBUG("MSG task %p(%s), category %s", task, task->get_cname(), task->get_tracing_category().c_str());
- }
+ if (comm && comm->src_actor_)
+ return comm->src_actor_->get_pid();
+ else
+ return -1;
}
-/**
- * @brief Gets the current tracing category of a task.
- *
- * @param task the task to be considered
- *
- * @see MSG_task_set_category
- *
- * @return Returns the name of the tracing category of the given task, nullptr otherwise
- */
-const char *MSG_task_get_category (msg_task_t task)
-{
- return task->get_tracing_category().c_str();
-}
#ifndef MSG_PRIVATE_HPP
#define MSG_PRIVATE_HPP
+#include "simgrid/Exception.hpp"
#include "simgrid/msg.h"
#include "src/kernel/activity/CommImpl.hpp"
#include "src/kernel/activity/ExecImpl.hpp"
#include <simgrid/modelchecker.h>
+#include <cmath>
+
/**************** datatypes **********************************/
namespace simgrid {
namespace msg {
void* userdata_ = nullptr;
long long int id_;
+ double priority_ = 1.0;
+ double bound_ = 0.0; /* Capping for CPU resource, or 0 for no capping */
+ double rate_ = -1; /* Capping for network resource, or -1 for no capping*/
+ bool is_used_ = false; /* Indicates whether the task is used in SIMIX currently */
+
+ explicit Task(std::string name, double flops_amount, double bytes_amount, void* data);
+ explicit Task(std::string name, std::vector<s4u::Host*> hosts, std::vector<double> flops_amount,
+ std::vector<double> bytes_amount, void* data);
+
+ void report_multiple_use() const;
+
public:
- explicit Task(std::string name, double flops_amount, double bytes_amount, void* data)
- : name_(std::move(name)), userdata_(data), flops_amount(flops_amount), bytes_amount(bytes_amount)
- {
- static std::atomic_ullong counter{0};
- id_ = counter++;
- if (MC_is_active())
- MC_ignore_heap(&(id_), sizeof(id_));
- }
+ static Task* create(std::string name, double flops_amount, double bytes_amount, void* data);
+ static Task* create_parallel(std::string name, int host_nb, const msg_host_t* host_list, double* flops_amount,
+ double* bytes_amount, void* data);
+ msg_error_t execute();
+ void cancel();
+
Task(const Task&) = delete;
Task& operator=(const Task&) = delete;
- ~Task();
- void set_used();
- void set_not_used() { this->is_used = false; }
+ ~Task() = default;
+ bool is_used() { return is_used_; }
+ bool is_parallel() { return parallel_; }
+
+ void set_used();
+ void set_not_used() { this->is_used_ = false; }
const std::string& get_name() const { return name_; }
const char* get_cname() { return name_.c_str(); }
void set_name(const char* new_name) { name_ = std::string(new_name); }
void* get_user_data() { return userdata_; }
void set_user_data(void* data) { userdata_ = data; }
long long int get_id() { return id_; }
+ double get_priority() { return priority_; }
+ void set_priority(double priority);
+ void set_bound(double bound) { bound_ = bound; }
+ double get_bound() { return bound_; }
+ void set_rate(double rate) { rate_ = rate; }
+ double get_rate() { return rate_; }
+
+ s4u::Actor* get_sender();
+ s4u::Host* get_source();
kernel::activity::ExecImplPtr compute = nullptr; /* SIMIX modeling of computation */
s4u::CommPtr comm = nullptr; /* S4U modeling of communication */
double flops_amount = 0.0; /* Computation size */
double bytes_amount = 0.0; /* Data size */
- msg_process_t sender = nullptr;
- msg_process_t receiver = nullptr;
- double priority = 1.0;
- double bound = 0.0; /* Capping for CPU resource, or 0 for no capping */
- double rate = -1; /* Capping for network resource, or -1 for no capping*/
- bool is_used = false; /* Indicates whether the task is used in SIMIX currently */
- int host_nb = 0; /* ==0 if sequential task; parallel task if not */
/******* Parallel Tasks Only !!!! *******/
- sg_host_t* host_list = nullptr;
- double* flops_parallel_amount = nullptr;
- double* bytes_parallel_amount = nullptr;
-
-private:
- void report_multiple_use() const;
+ bool parallel_ = false;
+ std::vector<s4u::Host*> hosts_;
+ std::vector<double> flops_parallel_amount;
+ std::vector<double> bytes_parallel_amount;
};
class Comm {
#include "msg_private.hpp"
#include "src/simix/smx_private.hpp"
-#include <algorithm>
-#include <cmath>
#include <simgrid/s4u/Comm.hpp>
+#include <simgrid/s4u/Host.hpp>
+
+#include <algorithm>
+#include <vector>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_task, msg, "Logging specific to MSG (task)");
namespace simgrid {
namespace msg {
-Task::~Task()
+
+Task::Task(std::string name, double flops_amount, double bytes_amount, void* data)
+ : name_(std::move(name)), userdata_(data), flops_amount(flops_amount), bytes_amount(bytes_amount)
+{
+ static std::atomic_ullong counter{0};
+ id_ = counter++;
+ if (MC_is_active())
+ MC_ignore_heap(&(id_), sizeof(id_));
+}
+
+Task::Task(std::string name, std::vector<s4u::Host*> hosts, std::vector<double> flops_amount,
+ std::vector<double> bytes_amount, void* data)
+ : Task(std::move(name), 1.0, 0, data)
+{
+ parallel_ = true;
+ hosts_ = std::move(hosts);
+ flops_parallel_amount = std::move(flops_amount);
+ bytes_parallel_amount = std::move(bytes_amount);
+}
+
+Task* Task::create(std::string name, double flops_amount, double bytes_amount, void* data)
+{
+ return new Task(std::move(name), flops_amount, bytes_amount, data);
+}
+
+Task* Task::create_parallel(std::string name, int host_nb, const msg_host_t* host_list, double* flops_amount,
+ double* bytes_amount, void* data)
+{
+ std::vector<s4u::Host*> hosts;
+ std::vector<double> flops;
+ std::vector<double> bytes;
+
+ for (int i = 0; i < host_nb; i++) {
+ hosts.push_back(host_list[i]);
+ if (flops_amount != nullptr)
+ flops.push_back(flops_amount[i]);
+ if (bytes_amount != nullptr) {
+ for (int j = 0; j < host_nb; j++)
+ bytes.push_back(bytes_amount[host_nb * i + j]);
+ }
+ }
+ return new Task(std::move(name), std::move(hosts), std::move(flops), std::move(bytes), data);
+}
+
+msg_error_t Task::execute()
+{
+ /* checking for infinite values */
+ xbt_assert(std::isfinite(flops_amount), "flops_amount is not finite!");
+
+ msg_error_t status = MSG_OK;
+ s4u::Host* host = SIMIX_process_self()->get_host();
+
+ set_used();
+
+ compute = simix::simcall([this, host] {
+ return kernel::activity::ExecImplPtr(new kernel::activity::ExecImpl(name_, tracing_category_, host));
+ });
+
+ try {
+ compute->start(flops_amount, priority_, bound_);
+ e_smx_state_t comp_state = simcall_execution_wait(compute);
+
+ set_not_used();
+ XBT_DEBUG("Execution task '%s' finished in state %d", get_cname(), (int)comp_state);
+ } catch (HostFailureException& e) {
+ status = MSG_HOST_FAILURE;
+ } catch (TimeoutError& e) {
+ status = MSG_TIMEOUT;
+ } catch (CancelException& e) {
+ status = MSG_TASK_CANCELED;
+ }
+
+ /* action ended, set comm and compute = nullptr, the actions is already destroyed in the main function */
+ flops_amount = 0.0;
+ comm = nullptr;
+ compute = nullptr;
+
+ return status;
+}
+
+void Task::cancel()
+{
+ if (compute) {
+ simgrid::simix::simcall([this] { compute->cancel(); });
+ } else if (comm) {
+ comm->cancel();
+ }
+ set_not_used();
+}
+
+void Task::set_priority(double priority)
+{
+ xbt_assert(std::isfinite(1.0 / priority), "priority is not finite!");
+ priority_ = 1.0 / priority;
+}
+
+s4u::Actor* Task::get_sender()
{
- /* parallel tasks only */
- delete[] host_list;
- delete[] flops_parallel_amount;
- delete[] bytes_parallel_amount;
+ return comm ? comm->get_sender().get() : nullptr;
+}
+
+s4u::Host* Task::get_source()
+{
+ return comm ? comm->get_sender()->get_host() : nullptr;
}
void Task::set_used()
{
- if (this->is_used)
- this->report_multiple_use();
- this->is_used = true;
+ if (is_used_)
+ report_multiple_use();
+ is_used_ = true;
}
void Task::report_multiple_use() const
*/
msg_task_t MSG_task_create(const char *name, double flop_amount, double message_size, void *data)
{
- return new simgrid::msg::Task(name ? name : "", flop_amount, message_size, data);
+ return simgrid::msg::Task::create(name ? std::string(name) : "", flop_amount, message_size, data);
}
/** @brief Creates a new parallel task
{
// Task's flops amount is set to an arbitrary value > 0.0 to be able to distinguish, in
// MSG_task_get_remaining_work_ratio(), a finished task and a task that has not started yet.
- msg_task_t task = MSG_task_create(name, 1.0, 0, data);
-
- /* Simulator Data specific to parallel tasks */
- task->host_nb = host_nb;
- task->host_list = new sg_host_t[host_nb];
- std::copy_n(host_list, host_nb, task->host_list);
- if (flops_amount != nullptr) {
- task->flops_parallel_amount = new double[host_nb];
- std::copy_n(flops_amount, host_nb, task->flops_parallel_amount);
- }
- if (bytes_amount != nullptr) {
- task->bytes_parallel_amount = new double[host_nb * host_nb];
- std::copy_n(bytes_amount, host_nb * host_nb, task->bytes_parallel_amount);
- }
-
- return task;
+ return simgrid::msg::Task::create_parallel(name ? name : "", host_nb, host_list, flops_amount, bytes_amount, data);
}
/** @brief Return the user data of the given task */
/** @brief Returns the sender of the given task */
msg_process_t MSG_task_get_sender(msg_task_t task)
{
- return task->sender;
+ return task->get_sender();
}
/** @brief Returns the source (the sender's host) of the given task */
msg_host_t MSG_task_get_source(msg_task_t task)
{
- return task->sender->get_host();
+ return task->get_source();
}
/** @brief Returns the name of the given task. */
task->set_name(name);
}
+/**
+ * @brief Executes a task and waits for its termination.
+ *
+ * This function is used for describing the behavior of a process. It takes only one parameter.
+ * @param task a #msg_task_t to execute on the location on which the process is running.
+ * @return #MSG_OK if the task was successfully completed, #MSG_TASK_CANCELED or #MSG_HOST_FAILURE otherwise
+ */
+msg_error_t MSG_task_execute(msg_task_t task)
+{
+ return task->execute();
+}
+
/** @brief Destroys the given task.
*
* You should free user data, if any, @b before calling this destructor.
*/
msg_error_t MSG_task_destroy(msg_task_t task)
{
- if (task->is_used) {
+ if (task->is_used()) {
/* the task is being sent or executed: cancel it first */
- MSG_task_cancel(task);
+ task->cancel();
}
/* free main structures */
msg_error_t MSG_task_cancel(msg_task_t task)
{
xbt_assert((task != nullptr), "Cannot cancel a nullptr task");
-
- if (task->compute) {
- simgrid::simix::simcall([task] { task->compute->cancel(); });
- } else if (task->comm) {
- task->comm->cancel();
- }
- task->set_not_used();
+ task->cancel();
return MSG_OK;
}
*/
void MSG_task_set_priority(msg_task_t task, double priority)
{
- task->priority = 1 / priority;
- xbt_assert(std::isfinite(task->priority), "priority is not finite!");
+ task->set_priority(priority);
}
/** @brief Changes the maximum CPU utilization of a computation task (in flops/s).
{
if (bound < 1e-12) /* close enough to 0 without any floating precision surprise */
XBT_INFO("bound == 0 means no capping (i.e., unlimited).");
- task->bound = bound;
+ task->set_bound(bound);
+}
+
+/**
+ * @brief Sets the tracing category of a task.
+ *
+ * This function should be called after the creation of a MSG task, to define the category of that task. The
+ * first parameter task must contain a task that was =created with the function #MSG_task_create. The second
+ * parameter category must contain a category that was previously declared with the function #TRACE_category
+ * (or with #TRACE_category_with_color).
+ *
+ * See @ref outcomes_vizu for details on how to trace the (categorized) resource utilization.
+ *
+ * @param task the task that is going to be categorized
+ * @param category the name of the category to be associated to the task
+ *
+ * @see MSG_task_get_category, TRACE_category, TRACE_category_with_color
+ */
+void MSG_task_set_category(msg_task_t task, const char* category)
+{
+ xbt_assert(not task->has_tracing_category(), "Task %p(%s) already has a category (%s).", task, task->get_cname(),
+ task->get_tracing_category().c_str());
+
+ // if user provides a nullptr category, task is no longer traced
+ if (category == nullptr) {
+ task->set_tracing_category("");
+ XBT_DEBUG("MSG task %p(%s), category removed", task, task->get_cname());
+ } else {
+ // set task category
+ task->set_tracing_category(category);
+ XBT_DEBUG("MSG task %p(%s), category %s", task, task->get_cname(), task->get_tracing_category().c_str());
+ }
+}
+
+/**
+ * @brief Gets the current tracing category of a task. (@see MSG_task_set_category)
+ * @param task the task to be considered
+ * @return Returns the name of the tracing category of the given task, "" otherwise
+ */
+const char* MSG_task_get_category(msg_task_t task)
+{
+ return task->get_tracing_category().c_str();
}
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "src/msg/msg_private.hpp"
+#include "src/simix/ActorImpl.hpp"
#include "xbt/log.h"
#include "simgrid/Exception.hpp"
return mailbox_;
}
+ActorPtr Comm::get_sender()
+{
+ return sender_ ? sender_->iface() : nullptr;
+}
+
void intrusive_ptr_release(simgrid::s4u::Comm* c)
{
if (c->refcount_.fetch_sub(1, std::memory_order_release) == 1) {