* under the terms of the license (GNU LGPL) which comes with this package. */
#include "msg_private.hpp"
+#include "simgrid/Exception.hpp"
#include "simgrid/s4u/Host.hpp"
#include "src/instr/instr_private.hpp"
-#include "src/simix/ActorImpl.hpp"
#include "src/simix/smx_private.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_process, msg, "Logging specific to MSG (process)");
-std::string instr_pid(msg_process_t proc)
+std::string instr_pid(simgrid::s4u::Actor const& proc)
{
- return std::string(proc->get_name()) + "-" + std::to_string(proc->get_pid());
+ return std::string(proc.get_name()) + "-" + std::to_string(proc.get_pid());
}
-/******************************** Process ************************************/
+void MSG_process_userdata_init()
+{
+ if (not msg_global)
+ msg_global = new MSG_Global_t();
+ if (not simgrid::msg::ActorUserData::EXTENSION_ID.valid())
+ simgrid::msg::ActorUserData::EXTENSION_ID = simgrid::s4u::Actor::extension_create<simgrid::msg::ActorUserData>();
+ simgrid::s4u::Actor::on_creation.connect([](simgrid::s4u::Actor& actor) {
+ XBT_DEBUG("creating the extension to store user data");
+ actor.extension_set(new simgrid::msg::ActorUserData());
+ });
+
+ simgrid::s4u::Actor::on_destruction.connect([](simgrid::s4u::Actor const& actor) {
+ // free the data if a function was provided
+ auto extension = actor.extension<simgrid::msg::ActorUserData>();
+ void* userdata = extension ? extension->get_user_data() : nullptr;
+ if (userdata && msg_global->process_data_cleanup) {
+ msg_global->process_data_cleanup(userdata);
+ }
+ });
+}
+
+/******************************** Process ************************************/
/** @brief Creates and runs a new #msg_process_t.
*
* Does exactly the same as #MSG_process_create_with_arguments but without providing standard arguments
int argc, char **argv, xbt_dict_t properties)
{
xbt_assert(host != nullptr, "Invalid parameters: host param must not be nullptr");
-
simgrid::simix::ActorCode function;
if (code)
function = simgrid::xbt::wrap_main(code, argc, static_cast<const char* const*>(argv));
- std::unordered_map<std::string, std::string> props;
- xbt_dict_cursor_t cursor = nullptr;
- char* key;
- char* value;
- xbt_dict_foreach (properties, cursor, key, value)
- props[key] = value;
- xbt_dict_free(&properties);
+ simgrid::s4u::ActorPtr actor;
+
+ try {
+ if (data != nullptr) {
+ actor = simgrid::s4u::Actor::init(std::move(name), host);
+ actor->extension<simgrid::msg::ActorUserData>()->set_user_data(data);
+ xbt_dict_cursor_t cursor = nullptr;
+ char* key;
+ char* value;
+ xbt_dict_foreach (properties, cursor, key, value)
+ actor->set_property(key, value);
+ actor->start(std::move(function));
+ } else
+ actor = simgrid::s4u::Actor::create(std::move(name), host, std::move(function));
+ } catch (simgrid::HostFailureException const&) {
+ xbt_die("Could not launch a new process on failed host %s.", host->get_cname());
+ }
- smx_actor_t process = simcall_process_create(name, std::move(function), data, host, &props);
+ xbt_dict_free(&properties);
for (int i = 0; i != argc; ++i)
xbt_free(argv[i]);
xbt_free(argv);
- if (process == nullptr)
- return nullptr;
-
- MSG_process_yield();
- return process->ciface();
-}
-
-/* Become a process in the simulation
- *
- * Currently this can only be called by the main thread (once) and only work with some thread factories
- * (currently ThreadContextFactory).
- *
- * In the future, it might be extended in order to attach other threads created by a third party library.
- */
-msg_process_t MSG_process_attach(const char *name, void *data, msg_host_t host, xbt_dict_t properties)
-{
- xbt_assert(host != nullptr, "Invalid parameters: host and code params must not be nullptr");
- std::unordered_map<std::string, std::string> props;
- xbt_dict_cursor_t cursor = nullptr;
- char* key;
- char* value;
- xbt_dict_foreach (properties, cursor, key, value)
- props[key] = value;
- xbt_dict_free(&properties);
-
- /* Let's create the process: SIMIX may decide to start it right now, even before returning the flow control to us */
- smx_actor_t process = SIMIX_process_attach(name, data, host->get_cname(), &props, nullptr);
- if (not process)
- xbt_die("Could not attach");
- MSG_process_yield();
- return process->ciface();
-}
-
-/** @brief Detach a process attached with `MSG_process_attach()`
- *
- * This is called when the current process has finished its job.
- * Used in the main thread, it waits for the simulation to finish before returning. When it returns, the other
- * simulated processes and the maestro are destroyed.
- */
-void MSG_process_detach()
-{
- SIMIX_process_detach();
+ simgrid::s4u::this_actor::yield();
+ return actor.get();
}
/** @brief Returns the user data of a process.
xbt_assert(process != nullptr, "Invalid parameter: first parameter must not be nullptr!");
/* get from SIMIX the MSG process data, and then the user data */
- return process->get_impl()->get_user_data();
+ return process->extension<simgrid::msg::ActorUserData>()->get_user_data();
}
/** @brief Sets the user data of a process.
msg_error_t MSG_process_set_data(msg_process_t process, void *data)
{
xbt_assert(process != nullptr, "Invalid parameter: first parameter must not be nullptr!");
-
- process->get_impl()->set_user_data(data);
+ process->extension<simgrid::msg::ActorUserData>()->set_user_data(data);
return MSG_OK;
}
return SIMIX_process_self()->ciface();
}
-smx_context_t MSG_process_get_smx_ctx(msg_process_t process) { // deprecated -- smx_context_t should die afterward
- return process->get_impl()->context_;
-}
/** @brief Add a function to the list of "on_exit" functions for the current process.
* The on_exit functions are the functions executed when your process is killed.
* You should use them to free the data used by your process.
*/
-void MSG_process_on_exit(int_f_pvoid_pvoid_t fun, void *data) {
- simgrid::s4u::this_actor::on_exit([fun](int a, void* b) { fun((void*)(intptr_t)a, b); }, data);
+void MSG_process_on_exit(int_f_int_pvoid_t fun, void* data)
+{
+ simgrid::s4u::this_actor::on_exit(
+ [fun, data](bool failed) { fun(failed ? SMX_EXIT_FAILURE : SMX_EXIT_SUCCESS, data); });
}
/** @brief Take an extra reference on that process to prevent it to be garbage-collected */
