1 /* Copyright (c) 2018-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #warning Try to work around https://bugs.python.org/issue11566
12 #pragma GCC diagnostic push
13 #pragma GCC diagnostic ignored "-Wunused-value"
16 #include <pybind11/pybind11.h> // Must come before our own stuff
18 #include <pybind11/functional.h>
19 #include <pybind11/stl.h>
22 #pragma GCC diagnostic pop
25 #include "simgrid/kernel/routing/NetPoint.hpp"
26 #include "src/kernel/context/Context.hpp"
27 #include <simgrid/Exception.hpp>
28 #include <simgrid/s4u/Actor.hpp>
29 #include <simgrid/s4u/Comm.hpp>
30 #include <simgrid/s4u/Disk.hpp>
31 #include <simgrid/s4u/Engine.hpp>
32 #include <simgrid/s4u/Exec.hpp>
33 #include <simgrid/s4u/Host.hpp>
34 #include <simgrid/s4u/Link.hpp>
35 #include <simgrid/s4u/Mailbox.hpp>
36 #include <simgrid/s4u/NetZone.hpp>
37 #include <simgrid/version.h>
44 namespace py = pybind11;
45 using simgrid::s4u::Actor;
46 using simgrid::s4u::ActorPtr;
47 using simgrid::s4u::Engine;
48 using simgrid::s4u::Host;
49 using simgrid::s4u::Mailbox;
51 XBT_LOG_NEW_DEFAULT_CATEGORY(python, "python");
55 std::string get_simgrid_version()
60 sg_version_get(&major, &minor, &patch);
61 return simgrid::xbt::string_printf("%i.%i.%i", major, minor, patch);
64 /** @brief Wrap for mailbox::get_async */
66 std::unique_ptr<PyObject*> data = std::make_unique<PyObject*>();
69 PyObject** get() const { return data.get(); }
74 PYBIND11_DECLARE_HOLDER_TYPE(T, boost::intrusive_ptr<T>)
76 PYBIND11_MODULE(simgrid, m)
78 m.doc() = "SimGrid userspace API";
80 m.attr("simgrid_version") = get_simgrid_version();
82 // Swapped contexts are broken, starting from pybind11 v2.8.0. Use thread contexts by default.
83 simgrid::s4u::Engine::set_config("contexts/factory:thread");
85 // Internal exception used to kill actors and sweep the RAII chimney (free objects living on the stack)
86 static py::object pyForcefulKillEx(py::register_exception<simgrid::ForcefulKillException>(m, "ActorKilled"));
88 /* this_actor namespace */
89 m.def_submodule("this_actor", "Bindings of the s4u::this_actor namespace.")
91 "info", [](const char* s) { XBT_INFO("%s", s); }, "Display a logging message of 'info' priority.")
93 "error", [](const char* s) { XBT_ERROR("%s", s); }, "Display a logging message of 'error' priority.")
94 .def("execute", py::overload_cast<double, double>(&simgrid::s4u::this_actor::execute),
95 py::call_guard<py::gil_scoped_release>(),
96 "Block the current actor, computing the given amount of flops at the given priority.", py::arg("flops"),
97 py::arg("priority") = 1)
98 .def("exec_init", py::overload_cast<double>(&simgrid::s4u::this_actor::exec_init),
99 py::call_guard<py::gil_scoped_release>())
100 .def("get_host", &simgrid::s4u::this_actor::get_host, "Retrieves host on which the current actor is located")
101 .def("set_host", &simgrid::s4u::this_actor::set_host, py::call_guard<py::gil_scoped_release>(),
102 "Moves the current actor to another host.", py::arg("dest"))
103 .def("sleep_for", static_cast<void (*)(double)>(&simgrid::s4u::this_actor::sleep_for),
104 py::call_guard<py::gil_scoped_release>(), "Block the actor sleeping for that amount of seconds.",
106 .def("sleep_until", static_cast<void (*)(double)>(&simgrid::s4u::this_actor::sleep_until),
107 py::call_guard<py::gil_scoped_release>(), "Block the actor sleeping until the specified timestamp.",
109 .def("suspend", &simgrid::s4u::this_actor::suspend, py::call_guard<py::gil_scoped_release>(),
110 "Suspend the current actor, that is blocked until resume()ed by another actor.")
111 .def("yield_", &simgrid::s4u::this_actor::yield, py::call_guard<py::gil_scoped_release>(), "Yield the actor")
112 .def("exit", &simgrid::s4u::this_actor::exit, py::call_guard<py::gil_scoped_release>(), "kill the current actor")
116 fun.inc_ref(); // FIXME: why is this needed for tests like actor-kill and actor-lifetime?
117 simgrid::s4u::this_actor::on_exit([fun](bool /*failed*/) {
119 py::gil_scoped_acquire py_context; // need a new context for callback
121 } catch (const py::error_already_set& e) {
122 xbt_die("Error while executing the on_exit lambda: %s", e.what());
126 py::call_guard<py::gil_scoped_release>(), "");
129 py::class_<Engine>(m, "Engine", "Simulation Engine")
130 .def(py::init([](std::vector<std::string> args) {
131 auto argc = static_cast<int>(args.size());
132 std::vector<char*> argv(args.size() + 1); // argv[argc] is nullptr
133 std::transform(begin(args), end(args), begin(argv), [](std::string& s) { return &s.front(); });
134 // Currently this can be dangling, we should wrap this somehow.
135 return new simgrid::s4u::Engine(&argc, argv.data());
137 .def_static("get_clock", &Engine::get_clock,
138 "The simulation time, ie the amount of simulated seconds since the simulation start.")
139 .def("get_all_hosts", &Engine::get_all_hosts, "Returns the list of all hosts found in the platform")
140 .def("load_platform", &Engine::load_platform, "Load a platform file describing the environment")
141 .def("load_deployment", &Engine::load_deployment, "Load a deployment file and launch the actors that it contains")
142 .def("run", &Engine::run, py::call_guard<py::gil_scoped_release>(), "Run the simulation until its end")
143 .def("run_until", py::overload_cast<double>(&Engine::run_until, py::const_),
144 py::call_guard<py::gil_scoped_release>(), "Run the simulation until the given date",
145 py::arg("max_date") = -1)
148 [](Engine* e, const std::string& name, py::object fun_or_class) {
149 e->register_actor(name, [fun_or_class](std::vector<std::string> args) {
151 py::gil_scoped_acquire py_context;
152 /* Convert the std::vector into a py::tuple */
153 py::tuple params(args.size() - 1);
154 for (size_t i = 1; i < args.size(); i++)
155 params[i - 1] = py::cast(args[i]);
157 py::object res = fun_or_class(*params);
158 /* If I was passed a class, I just built an instance, so I need to call it now */
159 if (py::isinstance<py::function>(res))
161 } catch (const py::error_already_set& ex) {
162 if (ex.matches(pyForcefulKillEx)) {
163 XBT_VERB("Actor killed");
164 simgrid::ForcefulKillException::do_throw(); // Forward that ForcefulKill exception
170 "Registers the main function of an actor");
173 py::class_<simgrid::s4u::NetZone, std::unique_ptr<simgrid::s4u::NetZone, py::nodelete>> netzone(m, "NetZone",
175 netzone.def_static("create_full_zone", &simgrid::s4u::create_full_zone, "Creates a zone of type FullZone")
176 .def_static("create_torus_zone", &simgrid::s4u::create_torus_zone, "Creates a cluster of type Torus")
177 .def_static("create_fatTree_zone", &simgrid::s4u::create_fatTree_zone, "Creates a cluster of type Fat-Tree")
178 .def_static("create_dragonfly_zone", &simgrid::s4u::create_dragonfly_zone, "Creates a cluster of type Dragonfly")
179 .def_static("create_star_zone", &simgrid::s4u::create_star_zone, "Creates a zone of type Star")
180 .def_static("create_floyd_zone", &simgrid::s4u::create_floyd_zone, "Creates a zone of type Floyd")
181 .def_static("create_dijkstra_zone", &simgrid::s4u::create_floyd_zone, "Creates a zone of type Dijkstra")
182 .def_static("create_vivaldi_zone", &simgrid::s4u::create_vivaldi_zone, "Creates a zone of type Vivaldi")
183 .def_static("create_empty_zone", &simgrid::s4u::create_empty_zone, "Creates a zone of type Empty")
184 .def_static("create_wifi_zone", &simgrid::s4u::create_wifi_zone, "Creates a zone of type Wi-Fi")
186 py::overload_cast<simgrid::kernel::routing::NetPoint*, simgrid::kernel::routing::NetPoint*,
187 simgrid::kernel::routing::NetPoint*, simgrid::kernel::routing::NetPoint*,
188 const std::vector<simgrid::s4u::LinkInRoute>&, bool>(&simgrid::s4u::NetZone::add_route),
189 "Add a route between 2 netpoints")
190 .def("create_host", py::overload_cast<const std::string&, double>(&simgrid::s4u::NetZone::create_host),
193 py::overload_cast<const std::string&, const std::string&>(&simgrid::s4u::NetZone::create_host),
196 py::overload_cast<const std::string&, const std::vector<double>&>(&simgrid::s4u::NetZone::create_host),
199 py::overload_cast<const std::string&, const std::vector<std::string>&>(&simgrid::s4u::NetZone::create_host),
201 .def("create_link", py::overload_cast<const std::string&, double>(&simgrid::s4u::NetZone::create_link),
202 "Creates a network link")
204 py::overload_cast<const std::string&, const std::string&>(&simgrid::s4u::NetZone::create_link),
205 "Creates a network link")
207 py::overload_cast<const std::string&, const std::vector<double>&>(&simgrid::s4u::NetZone::create_link),
208 "Creates a network link")
210 py::overload_cast<const std::string&, const std::vector<std::string>&>(&simgrid::s4u::NetZone::create_link),
211 "Creates a network link")
212 .def("create_split_duplex_link",
213 py::overload_cast<const std::string&, double>(&simgrid::s4u::NetZone::create_split_duplex_link),
214 "Creates a split-duplex link")
215 .def("create_split_duplex_link",
216 py::overload_cast<const std::string&, const std::string&>(&simgrid::s4u::NetZone::create_split_duplex_link),
217 "Creates a split-duplex link")
218 .def("create_router", &simgrid::s4u::NetZone::create_router, "Create a router")
219 .def("set_parent", &simgrid::s4u::NetZone::set_parent, "Set the parent of this zone")
220 .def("set_property", &simgrid::s4u::NetZone::set_property, "Add a property to this zone")
221 .def("get_netpoint", &simgrid::s4u::NetZone::get_netpoint, "Retrieve the netpoint associated to this zone")
222 .def("seal", &simgrid::s4u::NetZone::seal, "Seal this NetZone")
223 .def_property_readonly(
224 "name", [](const simgrid::s4u::NetZone* self) { return self->get_name(); }, "The name of this network zone");
226 /* Class ClusterCallbacks */
227 py::class_<simgrid::s4u::ClusterCallbacks>(m, "ClusterCallbacks", "Callbacks used to create cluster zones")
228 .def(py::init<const std::function<simgrid::s4u::ClusterCallbacks::ClusterNetPointCb>&,
229 const std::function<simgrid::s4u::ClusterCallbacks::ClusterLinkCb>&,
230 const std::function<simgrid::s4u::ClusterCallbacks::ClusterLinkCb>&>());
232 /* Class FatTreeParams */
233 py::class_<simgrid::s4u::FatTreeParams>(m, "FatTreeParams", "Parameters to create a Fat-Tree zone")
234 .def(py::init<unsigned int, const std::vector<unsigned int>&, const std::vector<unsigned int>&,
235 const std::vector<unsigned int>&>());
237 /* Class DragonflyParams */
238 py::class_<simgrid::s4u::DragonflyParams>(m, "DragonflyParams", "Parameters to create a Dragonfly zone")
239 .def(py::init<const std::pair<unsigned int, unsigned int>&, const std::pair<unsigned int, unsigned int>&,
240 const std::pair<unsigned int, unsigned int>&, unsigned int>());
243 py::class_<simgrid::s4u::Host, std::unique_ptr<Host, py::nodelete>> host(m, "Host", "Simulated host");
244 host.def("by_name", &Host::by_name, "Retrieves a host from its name, or die")
245 .def("get_pstate_count", &Host::get_pstate_count, "Retrieve the count of defined pstate levels")
246 .def("get_pstate_speed", &Host::get_pstate_speed, "Retrieve the maximal speed at the given pstate")
247 .def("get_netpoint", &Host::get_netpoint, "Retrieve the netpoint associated to this host")
248 .def("get_disks", &Host::get_disks, "Retrieve the list of disks in this host")
249 .def("set_core_count", &Host::set_core_count, py::call_guard<py::gil_scoped_release>(),
250 "Set the number of cores in the CPU")
251 .def("set_coordinates", &Host::set_coordinates, py::call_guard<py::gil_scoped_release>(),
252 "Set the coordinates of this host")
253 .def("set_sharing_policy", &simgrid::s4u::Host::set_sharing_policy, py::call_guard<py::gil_scoped_release>(),
254 "Describe how the CPU is shared", py::arg("policy"), py::arg("cb") = simgrid::s4u::NonLinearResourceCb())
255 .def("create_disk", py::overload_cast<const std::string&, double, double>(&Host::create_disk),
256 py::call_guard<py::gil_scoped_release>(), "Create a disk")
258 py::overload_cast<const std::string&, const std::string&, const std::string&>(&Host::create_disk),
259 py::call_guard<py::gil_scoped_release>(), "Create a disk")
260 .def("seal", &Host::seal, py::call_guard<py::gil_scoped_release>(), "Seal this host")
262 "pstate", &Host::get_pstate,
264 py::gil_scoped_release gil_guard;
267 "The current pstate")
268 .def("current", &Host::current, py::call_guard<py::gil_scoped_release>(),
269 "Retrieves the host on which the running actor is located.")
270 .def_property_readonly(
272 [](const Host* self) {
273 return std::string(self->get_name().c_str()); // Convert from xbt::string because of MC
275 "The name of this host")
276 .def_property_readonly(
277 "load", &Host::get_load,
278 "Returns the current computation load (in flops per second). This is the currently achieved speed.")
279 .def_property_readonly(
280 "speed", &Host::get_speed,
281 "The peak computing speed in flops/s at the current pstate, taking the external load into account. "
282 "This is the max potential speed.");
283 py::enum_<simgrid::s4u::Host::SharingPolicy>(host, "SharingPolicy")
284 .value("NONLINEAR", simgrid::s4u::Host::SharingPolicy::NONLINEAR)
285 .value("LINEAR", simgrid::s4u::Host::SharingPolicy::LINEAR)
289 py::class_<simgrid::s4u::Disk, std::unique_ptr<simgrid::s4u::Disk, py::nodelete>> disk(m, "Disk", "Simulated disk");
290 disk.def("read", py::overload_cast<sg_size_t, double>(&simgrid::s4u::Disk::read, py::const_),
291 py::call_guard<py::gil_scoped_release>(), "Read data from disk", py::arg("size"), py::arg("priority") = 1)
292 .def("write", py::overload_cast<sg_size_t, double>(&simgrid::s4u::Disk::write, py::const_),
293 py::call_guard<py::gil_scoped_release>(), "Write data in disk", py::arg("size"), py::arg("priority") = 1)
294 .def("read_async", &simgrid::s4u::Disk::read_async, py::call_guard<py::gil_scoped_release>(),
295 "Non-blocking read data from disk")
296 .def("write_async", &simgrid::s4u::Disk::write_async, py::call_guard<py::gil_scoped_release>(),
297 "Non-blocking write data in disk")
298 .def("set_sharing_policy", &simgrid::s4u::Disk::set_sharing_policy, py::call_guard<py::gil_scoped_release>(),
299 "Set sharing policy for this disk", py::arg("op"), py::arg("policy"),
300 py::arg("cb") = simgrid::s4u::NonLinearResourceCb())
301 .def("seal", &simgrid::s4u::Disk::seal, py::call_guard<py::gil_scoped_release>(), "Seal this disk")
302 .def_property_readonly(
303 "name", [](const simgrid::s4u::Disk* self) { return self->get_name(); }, "The name of this disk");
304 py::enum_<simgrid::s4u::Disk::SharingPolicy>(disk, "SharingPolicy")
305 .value("NONLINEAR", simgrid::s4u::Disk::SharingPolicy::NONLINEAR)
306 .value("LINEAR", simgrid::s4u::Disk::SharingPolicy::LINEAR)
308 py::enum_<simgrid::s4u::Disk::Operation>(disk, "Operation")
309 .value("READ", simgrid::s4u::Disk::Operation::READ)
310 .value("WRITE", simgrid::s4u::Disk::Operation::WRITE)
311 .value("READWRITE", simgrid::s4u::Disk::Operation::READWRITE)
315 py::class_<simgrid::kernel::routing::NetPoint, std::unique_ptr<simgrid::kernel::routing::NetPoint, py::nodelete>>
316 netpoint(m, "NetPoint", "NetPoint object");
319 py::class_<simgrid::s4u::Link, std::unique_ptr<simgrid::s4u::Link, py::nodelete>> link(m, "Link", "Network link");
320 link.def("set_latency", py::overload_cast<const std::string&>(&simgrid::s4u::Link::set_latency),
321 py::call_guard<py::gil_scoped_release>(), "Set the latency")
322 .def("set_latency", py::overload_cast<double>(&simgrid::s4u::Link::set_latency),
323 py::call_guard<py::gil_scoped_release>(), "Set the latency")
324 .def("set_sharing_policy", &simgrid::s4u::Link::set_sharing_policy, py::call_guard<py::gil_scoped_release>(),
325 "Set sharing policy for this link")
326 .def("set_concurrency_limit", &simgrid::s4u::Link::set_concurrency_limit,
327 py::call_guard<py::gil_scoped_release>(), "Set concurrency limit for this link")
328 .def("set_host_wifi_rate", &simgrid::s4u::Link::set_host_wifi_rate, py::call_guard<py::gil_scoped_release>(),
329 "Set level of communication speed of given host on this Wi-Fi link")
330 .def("seal", &simgrid::s4u::Link::seal, py::call_guard<py::gil_scoped_release>(), "Seal this link")
331 .def_property_readonly(
333 [](const simgrid::s4u::Link* self) {
334 return std::string(self->get_name().c_str()); // Convert from xbt::string because of MC
336 "The name of this link");
337 py::enum_<simgrid::s4u::Link::SharingPolicy>(link, "SharingPolicy")
338 .value("NONLINEAR", simgrid::s4u::Link::SharingPolicy::NONLINEAR)
339 .value("WIFI", simgrid::s4u::Link::SharingPolicy::WIFI)
340 .value("SPLITDUPLEX", simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX)
341 .value("SHARED", simgrid::s4u::Link::SharingPolicy::SHARED)
342 .value("FATPIPE", simgrid::s4u::Link::SharingPolicy::FATPIPE)
345 /* Class LinkInRoute */
346 py::class_<simgrid::s4u::LinkInRoute> linkinroute(m, "LinkInRoute", "Abstraction to add link in routes");
347 linkinroute.def(py::init<const simgrid::s4u::Link*>());
348 linkinroute.def(py::init<const simgrid::s4u::Link*, simgrid::s4u::LinkInRoute::Direction>());
349 py::enum_<simgrid::s4u::LinkInRoute::Direction>(linkinroute, "Direction")
350 .value("UP", simgrid::s4u::LinkInRoute::Direction::UP)
351 .value("DOWN", simgrid::s4u::LinkInRoute::Direction::DOWN)
352 .value("NONE", simgrid::s4u::LinkInRoute::Direction::NONE)
355 /* Class Split-Duplex Link */
356 py::class_<simgrid::s4u::SplitDuplexLink, simgrid::s4u::Link,
357 std::unique_ptr<simgrid::s4u::SplitDuplexLink, py::nodelete>>(m, "SplitDuplexLink",
358 "Network split-duplex link")
359 .def("get_link_up", &simgrid::s4u::SplitDuplexLink::get_link_up, "Get link direction up")
360 .def("get_link_down", &simgrid::s4u::SplitDuplexLink::get_link_down, "Get link direction down");
363 py::class_<simgrid::s4u::Mailbox, std::unique_ptr<Mailbox, py::nodelete>>(m, "Mailbox", "Mailbox")
365 "__str__", [](const Mailbox* self) { return std::string("Mailbox(") + self->get_cname() + ")"; },
366 "Textual representation of the Mailbox`")
367 .def("by_name", &Mailbox::by_name, py::call_guard<py::gil_scoped_release>(), "Retrieve a Mailbox from its name")
368 .def_property_readonly(
370 [](const Mailbox* self) {
371 return std::string(self->get_name().c_str()); // Convert from xbt::string because of MC
373 "The name of that mailbox")
376 [](Mailbox* self, py::object data, int size) {
378 self->put(data.ptr(), size);
380 py::call_guard<py::gil_scoped_release>(), "Blocking data transmission")
383 [](Mailbox* self, py::object data, int size) {
385 return self->put_async(data.ptr(), size);
387 py::call_guard<py::gil_scoped_release>(), "Non-blocking data transmission")
391 py::object data = pybind11::reinterpret_steal<py::object>(self->get<PyObject>());
392 // data.dec_ref(); // FIXME: why does it break python-actor-create?
395 py::call_guard<py::gil_scoped_release>(), "Blocking data reception")
398 [](Mailbox* self) -> std::tuple<simgrid::s4u::CommPtr, PyGetAsync> {
400 auto comm = self->get_async(wrap.get());
401 return std::make_tuple(std::move(comm), std::move(wrap));
403 py::call_guard<py::gil_scoped_release>(),
404 "Non-blocking data reception. Use data.get() to get the python object after the communication has finished")
406 "set_receiver", [](Mailbox* self, ActorPtr actor) { self->set_receiver(actor); },
407 py::call_guard<py::gil_scoped_release>(), "Sets the actor as permanent receiver");
409 /* Class PyGetAsync */
410 py::class_<PyGetAsync>(m, "PyGetAsync", "Wrapper for async get communications")
413 "get", [](const PyGetAsync* self) { return py::reinterpret_steal<py::object>(*(self->get())); },
414 "Get python object after async communication in receiver side");
417 py::class_<simgrid::s4u::Comm, simgrid::s4u::CommPtr>(m, "Comm", "Communication")
418 .def("test", &simgrid::s4u::Comm::test, py::call_guard<py::gil_scoped_release>(),
419 "Test whether the communication is terminated.")
420 .def("wait", &simgrid::s4u::Comm::wait, py::call_guard<py::gil_scoped_release>(),
421 "Block until the completion of that communication.")
422 // use py::overload_cast for wait_all/wait_any, until the overload marked XBT_ATTRIB_DEPRECATED_v332 is removed
424 "wait_all", py::overload_cast<const std::vector<simgrid::s4u::CommPtr>&>(&simgrid::s4u::Comm::wait_all),
425 py::call_guard<py::gil_scoped_release>(), "Block until the completion of all communications in the list.")
427 "wait_any", py::overload_cast<const std::vector<simgrid::s4u::CommPtr>&>(&simgrid::s4u::Comm::wait_any),
428 py::call_guard<py::gil_scoped_release>(),
429 "Block until the completion of any communication in the list and return the index of the terminated one.");
432 py::class_<simgrid::s4u::Io, simgrid::s4u::IoPtr>(m, "Io", "I/O activities")
433 .def("test", &simgrid::s4u::Io::test, py::call_guard<py::gil_scoped_release>(),
434 "Test whether the I/O is terminated.")
435 .def("wait", &simgrid::s4u::Io::wait, py::call_guard<py::gil_scoped_release>(),
436 "Block until the completion of that I/O operation")
438 "wait_any_for", &simgrid::s4u::Io::wait_any_for, py::call_guard<py::gil_scoped_release>(),
439 "Block until the completion of any I/O in the list (or timeout) and return the index of the terminated one.")
440 .def_static("wait_any", &simgrid::s4u::Io::wait_any, py::call_guard<py::gil_scoped_release>(),
441 "Block until the completion of any I/O in the list and return the index of the terminated one.");
444 py::class_<simgrid::s4u::Exec, simgrid::s4u::ExecPtr>(m, "Exec", "Execution")
445 .def_property_readonly(
447 [](simgrid::s4u::ExecPtr self) {
448 py::gil_scoped_release gil_guard;
449 return self->get_remaining();
451 "Amount of flops that remain to be computed until completion.")
452 .def_property_readonly(
454 [](simgrid::s4u::ExecPtr self) {
455 py::gil_scoped_release gil_guard;
456 return self->get_remaining_ratio();
458 "Amount of work remaining until completion from 0 (completely done) to 1 (nothing done "
460 .def_property("host", &simgrid::s4u::Exec::get_host, &simgrid::s4u::Exec::set_host,
461 "Host on which this execution runs. Only the first host is returned for parallel executions.")
462 .def("test", &simgrid::s4u::Exec::test, py::call_guard<py::gil_scoped_release>(),
463 "Test whether the execution is terminated.")
464 .def("cancel", &simgrid::s4u::Exec::cancel, py::call_guard<py::gil_scoped_release>(), "Cancel that execution.")
465 .def("start", &simgrid::s4u::Exec::start, py::call_guard<py::gil_scoped_release>(), "Start that execution.")
466 .def("wait", &simgrid::s4u::Exec::wait, py::call_guard<py::gil_scoped_release>(),
467 "Block until the completion of that execution.");
470 py::class_<simgrid::s4u::Actor, ActorPtr>(m, "Actor",
471 "An actor is an independent stream of execution in your distributed "
475 [](py::str name, Host* h, py::object fun, py::args args) {
476 fun.inc_ref(); // FIXME: why is this needed for tests like exec-async, exec-dvfs and exec-remote?
477 args.inc_ref(); // FIXME: why is this needed for tests like actor-migrate?
478 return simgrid::s4u::Actor::create(name, h, [fun, args]() {
480 py::gil_scoped_acquire py_context;
482 } catch (const py::error_already_set& ex) {
483 if (ex.matches(pyForcefulKillEx)) {
484 XBT_VERB("Actor killed");
485 simgrid::ForcefulKillException::do_throw(); // Forward that ForcefulKill exception
491 py::call_guard<py::gil_scoped_release>(), "Create an actor from a function or an object.")
493 "host", &Actor::get_host,
494 [](Actor* a, Host* h) {
495 py::gil_scoped_release gil_guard;
498 "The host on which this actor is located")
499 .def_property_readonly("name", &Actor::get_cname, "The name of this actor.")
500 .def_property_readonly("pid", &Actor::get_pid, "The PID (unique identifier) of this actor.")
501 .def_property_readonly("ppid", &Actor::get_ppid,
502 "The PID (unique identifier) of the actor that created this one.")
503 .def("by_pid", &Actor::by_pid, "Retrieve an actor by its PID")
504 .def("daemonize", &Actor::daemonize, py::call_guard<py::gil_scoped_release>(),
505 "This actor will be automatically terminated when the last non-daemon actor finishes (more info in the C++ "
507 .def("is_daemon", &Actor::is_daemon,
508 "Returns True if that actor is a daemon and will be terminated automatically when the last non-daemon actor "
510 .def("join", py::overload_cast<double>(&Actor::join, py::const_), py::call_guard<py::gil_scoped_release>(),
511 "Wait for the actor to finish (more info in the C++ documentation).", py::arg("timeout"))
512 .def("kill", &Actor::kill, py::call_guard<py::gil_scoped_release>(), "Kill that actor")
513 .def("kill_all", &Actor::kill_all, py::call_guard<py::gil_scoped_release>(), "Kill all actors but the caller.")
514 .def("self", &Actor::self, "Retrieves the current actor.")
515 .def("is_suspended", &Actor::is_suspended, "Returns True if that actor is currently suspended.")
516 .def("suspend", &Actor::suspend, py::call_guard<py::gil_scoped_release>(),
517 "Suspend that actor, that is blocked until resume()ed by another actor.")
518 .def("resume", &Actor::resume, py::call_guard<py::gil_scoped_release>(),
519 "Resume that actor, that was previously suspend()ed.");