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"
17 /* Many tests are failing after pybind11 commit ad6bf5cd39ca64b4a9bf846b84b11c4c8df1c8e1 "Adding PyGILState_Check() in
18 * object_api<>::operator(). (#2919)".
19 * See https://github.com/pybind/pybind11/commit/ad6bf5cd39ca64b4a9bf846b84b11c4c8df1c8e1
21 * The failing tests are mostly those with boost/raw/sysv contexts. As a workaround, define NDEBUG before pybind11
25 #define NDEBUG_LOCALLY_DEFINED
28 #include <pybind11/pybind11.h> // Must come before our own stuff
30 #include <pybind11/functional.h>
31 #include <pybind11/stl.h>
33 #ifdef NDEBUG_LOCALLY_DEFINED
34 #undef NDEBUG_LOCALLY_DEFINED
39 #pragma GCC diagnostic pop
42 #include "simgrid/kernel/routing/NetPoint.hpp"
43 #include "src/kernel/context/Context.hpp"
44 #include <simgrid/Exception.hpp>
45 #include <simgrid/s4u/Actor.hpp>
46 #include <simgrid/s4u/Comm.hpp>
47 #include <simgrid/s4u/Disk.hpp>
48 #include <simgrid/s4u/Engine.hpp>
49 #include <simgrid/s4u/Exec.hpp>
50 #include <simgrid/s4u/Host.hpp>
51 #include <simgrid/s4u/Link.hpp>
52 #include <simgrid/s4u/Mailbox.hpp>
53 #include <simgrid/s4u/NetZone.hpp>
54 #include <simgrid/version.h>
61 namespace py = pybind11;
62 using simgrid::s4u::Actor;
63 using simgrid::s4u::ActorPtr;
64 using simgrid::s4u::Engine;
65 using simgrid::s4u::Host;
66 using simgrid::s4u::Mailbox;
68 XBT_LOG_NEW_DEFAULT_CATEGORY(python, "python");
72 std::string get_simgrid_version()
77 sg_version_get(&major, &minor, &patch);
78 return simgrid::xbt::string_printf("%i.%i.%i", major, minor, patch);
81 /** @brief Wrap for mailbox::get_async */
83 std::unique_ptr<PyObject*> data = std::make_unique<PyObject*>();
86 PyObject** get() const { return data.get(); }
89 /* Classes GilScopedAcquire and GilScopedRelease have the same purpose as pybind11::gil_scoped_acquire and
90 * pybind11::gil_scoped_release. Refer to the manual of pybind11 for details:
91 * https://pybind11.readthedocs.io/en/stable/advanced/misc.html#global-interpreter-lock-gil
93 * The pybind11 versions are however too sophisticated (using TLS for example) and don't work well with all kinds of
95 * See also https://github.com/pybind/pybind11/issues/1276, which may be related.
97 * Briefly, GilScopedAcquire can be used on actor creation to acquire a new PyThreadState. The PyThreadState has to be
98 * released for context switches (i.e. before simcalls). That's the purpose of GilScopedRelease.
100 * Like their pybind11 counterparts, both classes use a RAII pattern.
102 class XBT_PRIVATE GilScopedAcquire {
103 static PyThreadState* acquire()
105 PyThreadState* state = PyThreadState_New(PyInterpreterState_Head());
106 PyEval_AcquireThread(state);
109 static void release(PyThreadState* state)
111 PyEval_ReleaseThread(state);
112 PyThreadState_Clear(state);
113 PyThreadState_Delete(state);
116 std::unique_ptr<PyThreadState, decltype(&release)> thread_state{acquire(), &release};
119 class XBT_PRIVATE GilScopedRelease {
120 std::unique_ptr<PyThreadState, decltype(&PyEval_RestoreThread)> thread_state{PyEval_SaveThread(),
121 &PyEval_RestoreThread};
126 PYBIND11_DECLARE_HOLDER_TYPE(T, boost::intrusive_ptr<T>)
128 PYBIND11_MODULE(simgrid, m)
130 m.doc() = "SimGrid userspace API";
132 m.attr("simgrid_version") = get_simgrid_version();
134 // Internal exception used to kill actors and sweep the RAII chimney (free objects living on the stack)
135 static py::object pyForcefulKillEx(py::register_exception<simgrid::ForcefulKillException>(m, "ActorKilled"));
137 /* this_actor namespace */
138 m.def_submodule("this_actor", "Bindings of the s4u::this_actor namespace.")
140 "info", [](const char* s) { XBT_INFO("%s", s); }, "Display a logging message of 'info' priority.")
142 "error", [](const char* s) { XBT_ERROR("%s", s); }, "Display a logging message of 'error' priority.")
143 .def("execute", py::overload_cast<double, double>(&simgrid::s4u::this_actor::execute),
144 py::call_guard<GilScopedRelease>(),
145 "Block the current actor, computing the given amount of flops at the given priority.", py::arg("flops"),
146 py::arg("priority") = 1)
147 .def("exec_init", py::overload_cast<double>(&simgrid::s4u::this_actor::exec_init),
148 py::call_guard<GilScopedRelease>())
149 .def("get_host", &simgrid::s4u::this_actor::get_host, "Retrieves host on which the current actor is located")
150 .def("set_host", &simgrid::s4u::this_actor::set_host, py::call_guard<GilScopedRelease>(),
151 "Moves the current actor to another host.", py::arg("dest"))
152 .def("sleep_for", static_cast<void (*)(double)>(&simgrid::s4u::this_actor::sleep_for),
153 py::call_guard<GilScopedRelease>(), "Block the actor sleeping for that amount of seconds.",
155 .def("sleep_until", static_cast<void (*)(double)>(&simgrid::s4u::this_actor::sleep_until),
156 py::call_guard<GilScopedRelease>(), "Block the actor sleeping until the specified timestamp.",
158 .def("suspend", &simgrid::s4u::this_actor::suspend, py::call_guard<GilScopedRelease>(),
159 "Suspend the current actor, that is blocked until resume()ed by another actor.")
160 .def("yield_", &simgrid::s4u::this_actor::yield, py::call_guard<GilScopedRelease>(), "Yield the actor")
161 .def("exit", &simgrid::s4u::this_actor::exit, py::call_guard<GilScopedRelease>(), "kill the current actor")
165 fun.inc_ref(); // FIXME: why is this needed for tests like actor-kill and actor-lifetime?
166 simgrid::s4u::this_actor::on_exit([fun](bool /*failed*/) {
168 GilScopedAcquire py_context; // need a new context for callback
170 } catch (const py::error_already_set& e) {
171 xbt_die("Error while executing the on_exit lambda: %s", e.what());
175 py::call_guard<GilScopedRelease>(), "");
178 py::class_<Engine>(m, "Engine", "Simulation Engine")
179 .def(py::init([](std::vector<std::string> args) {
180 auto argc = static_cast<int>(args.size());
181 std::vector<char*> argv(args.size() + 1); // argv[argc] is nullptr
182 std::transform(begin(args), end(args), begin(argv), [](std::string& s) { return &s.front(); });
183 // Currently this can be dangling, we should wrap this somehow.
184 return new simgrid::s4u::Engine(&argc, argv.data());
186 .def_static("get_clock", &Engine::get_clock,
187 "The simulation time, ie the amount of simulated seconds since the simulation start.")
188 .def("get_all_hosts", &Engine::get_all_hosts, "Returns the list of all hosts found in the platform")
189 .def("load_platform", &Engine::load_platform, "Load a platform file describing the environment")
190 .def("load_deployment", &Engine::load_deployment, "Load a deployment file and launch the actors that it contains")
191 .def("run", &Engine::run, py::call_guard<GilScopedRelease>(), "Run the simulation")
194 [](Engine* e, const std::string& name, py::object fun_or_class) {
195 e->register_actor(name, [fun_or_class](std::vector<std::string> args) {
197 GilScopedAcquire py_context;
198 /* Convert the std::vector into a py::tuple */
199 py::tuple params(args.size() - 1);
200 for (size_t i = 1; i < args.size(); i++)
201 params[i - 1] = py::cast(args[i]);
203 py::object res = fun_or_class(*params);
204 /* If I was passed a class, I just built an instance, so I need to call it now */
205 if (py::isinstance<py::function>(res))
207 } catch (const py::error_already_set& ex) {
208 if (ex.matches(pyForcefulKillEx)) {
209 XBT_VERB("Actor killed");
210 simgrid::ForcefulKillException::do_throw(); // Forward that ForcefulKill exception
216 "Registers the main function of an actor");
219 py::class_<simgrid::s4u::NetZone, std::unique_ptr<simgrid::s4u::NetZone, py::nodelete>> netzone(m, "NetZone",
221 netzone.def_static("create_full_zone", &simgrid::s4u::create_full_zone, "Creates a zone of type FullZone")
222 .def_static("create_torus_zone", &simgrid::s4u::create_torus_zone, "Creates a cluster of type Torus")
223 .def_static("create_fatTree_zone", &simgrid::s4u::create_fatTree_zone, "Creates a cluster of type Fat-Tree")
224 .def_static("create_dragonfly_zone", &simgrid::s4u::create_dragonfly_zone, "Creates a cluster of type Dragonfly")
225 .def_static("create_star_zone", &simgrid::s4u::create_star_zone, "Creates a zone of type Star")
226 .def_static("create_floyd_zone", &simgrid::s4u::create_floyd_zone, "Creates a zone of type Floyd")
227 .def_static("create_dijkstra_zone", &simgrid::s4u::create_floyd_zone, "Creates a zone of type Dijkstra")
228 .def_static("create_vivaldi_zone", &simgrid::s4u::create_vivaldi_zone, "Creates a zone of type Vivaldi")
229 .def_static("create_empty_zone", &simgrid::s4u::create_empty_zone, "Creates a zone of type Empty")
230 .def_static("create_wifi_zone", &simgrid::s4u::create_wifi_zone, "Creates a zone of type Wi-Fi")
232 py::overload_cast<simgrid::kernel::routing::NetPoint*, simgrid::kernel::routing::NetPoint*,
233 simgrid::kernel::routing::NetPoint*, simgrid::kernel::routing::NetPoint*,
234 const std::vector<simgrid::s4u::LinkInRoute>&, bool>(&simgrid::s4u::NetZone::add_route),
235 "Add a route between 2 netpoints")
236 .def("create_host", py::overload_cast<const std::string&, double>(&simgrid::s4u::NetZone::create_host),
239 py::overload_cast<const std::string&, const std::string&>(&simgrid::s4u::NetZone::create_host),
242 py::overload_cast<const std::string&, const std::vector<double>&>(&simgrid::s4u::NetZone::create_host),
245 py::overload_cast<const std::string&, const std::vector<std::string>&>(&simgrid::s4u::NetZone::create_host),
247 .def("create_link", py::overload_cast<const std::string&, double>(&simgrid::s4u::NetZone::create_link),
248 "Creates a network link")
250 py::overload_cast<const std::string&, const std::string&>(&simgrid::s4u::NetZone::create_link),
251 "Creates a network link")
253 py::overload_cast<const std::string&, const std::vector<double>&>(&simgrid::s4u::NetZone::create_link),
254 "Creates a network link")
256 py::overload_cast<const std::string&, const std::vector<std::string>&>(&simgrid::s4u::NetZone::create_link),
257 "Creates a network link")
258 .def("create_split_duplex_link",
259 py::overload_cast<const std::string&, double>(&simgrid::s4u::NetZone::create_split_duplex_link),
260 "Creates a split-duplex link")
261 .def("create_split_duplex_link",
262 py::overload_cast<const std::string&, const std::string&>(&simgrid::s4u::NetZone::create_split_duplex_link),
263 "Creates a split-duplex link")
264 .def("create_router", &simgrid::s4u::NetZone::create_router, "Create a router")
265 .def("set_parent", &simgrid::s4u::NetZone::set_parent, "Set the parent of this zone")
266 .def("set_property", &simgrid::s4u::NetZone::set_property, "Add a property to this zone")
267 .def("get_netpoint", &simgrid::s4u::NetZone::get_netpoint, "Retrieve the netpoint associated to this zone")
268 .def("seal", &simgrid::s4u::NetZone::seal, "Seal this NetZone")
269 .def_property_readonly(
270 "name", [](const simgrid::s4u::NetZone* self) { return self->get_name(); }, "The name of this network zone");
272 /* Class ClusterCallbacks */
273 py::class_<simgrid::s4u::ClusterCallbacks>(m, "ClusterCallbacks", "Callbacks used to create cluster zones")
274 .def(py::init<const std::function<simgrid::s4u::ClusterCallbacks::ClusterNetPointCb>&,
275 const std::function<simgrid::s4u::ClusterCallbacks::ClusterLinkCb>&,
276 const std::function<simgrid::s4u::ClusterCallbacks::ClusterLinkCb>&>());
278 /* Class FatTreeParams */
279 py::class_<simgrid::s4u::FatTreeParams>(m, "FatTreeParams", "Parameters to create a Fat-Tree zone")
280 .def(py::init<unsigned int, const std::vector<unsigned int>&, const std::vector<unsigned int>&,
281 const std::vector<unsigned int>&>());
283 /* Class DragonflyParams */
284 py::class_<simgrid::s4u::DragonflyParams>(m, "DragonflyParams", "Parameters to create a Dragonfly zone")
285 .def(py::init<const std::pair<unsigned int, unsigned int>&, const std::pair<unsigned int, unsigned int>&,
286 const std::pair<unsigned int, unsigned int>&, unsigned int>());
289 py::class_<simgrid::s4u::Host, std::unique_ptr<Host, py::nodelete>> host(m, "Host", "Simulated host");
290 host.def("by_name", &Host::by_name, "Retrieves a host from its name, or die")
291 .def("get_pstate_count", &Host::get_pstate_count, "Retrieve the count of defined pstate levels")
292 .def("get_pstate_speed", &Host::get_pstate_speed, "Retrieve the maximal speed at the given pstate")
293 .def("get_netpoint", &Host::get_netpoint, "Retrieve the netpoint associated to this host")
294 .def("get_disks", &Host::get_disks, "Retrieve the list of disks in this host")
295 .def("set_core_count", &Host::set_core_count, "Set the number of cores in the CPU")
296 .def("set_coordinates", &Host::set_coordinates, "Set the coordinates of this host")
297 .def("set_sharing_policy", &simgrid::s4u::Host::set_sharing_policy, "Describe how the CPU is shared",
298 py::arg("policy"), py::arg("cb") = simgrid::s4u::NonLinearResourceCb())
299 .def("create_disk", py::overload_cast<const std::string&, double, double>(&Host::create_disk), "Create a disk")
301 py::overload_cast<const std::string&, const std::string&, const std::string&>(&Host::create_disk),
303 .def("seal", &Host::seal, "Seal this host")
305 "pstate", &Host::get_pstate,
307 GilScopedRelease gil_guard;
310 "The current pstate")
311 .def("current", &Host::current, py::call_guard<GilScopedRelease>(),
312 "Retrieves the host on which the running actor is located.")
313 .def_property_readonly(
315 [](const Host* self) {
316 return std::string(self->get_name().c_str()); // Convert from xbt::string because of MC
318 "The name of this host")
319 .def_property_readonly(
320 "load", &Host::get_load,
321 "Returns the current computation load (in flops per second). This is the currently achieved speed.")
322 .def_property_readonly(
323 "speed", &Host::get_speed,
324 "The peak computing speed in flops/s at the current pstate, taking the external load into account. "
325 "This is the max potential speed.");
326 py::enum_<simgrid::s4u::Host::SharingPolicy>(host, "SharingPolicy")
327 .value("NONLINEAR", simgrid::s4u::Host::SharingPolicy::NONLINEAR)
328 .value("LINEAR", simgrid::s4u::Host::SharingPolicy::LINEAR)
332 py::class_<simgrid::s4u::Disk, std::unique_ptr<simgrid::s4u::Disk, py::nodelete>> disk(m, "Disk", "Simulated disk");
333 disk.def("read", &simgrid::s4u::Disk::read, py::call_guard<GilScopedRelease>(), "Read data from disk")
334 .def("write", &simgrid::s4u::Disk::write, py::call_guard<GilScopedRelease>(), "Write data in disk")
335 .def("read_async", &simgrid::s4u::Disk::read_async, "Non-blocking read data from disk")
336 .def("write_async", &simgrid::s4u::Disk::write_async, "Non-blocking write data in disk")
337 .def("set_sharing_policy", &simgrid::s4u::Disk::set_sharing_policy, "Set sharing policy for this disk",
338 py::arg("op"), py::arg("policy"), py::arg("cb") = simgrid::s4u::NonLinearResourceCb())
339 .def("seal", &simgrid::s4u::Disk::seal, "Seal this disk")
340 .def_property_readonly(
341 "name", [](const simgrid::s4u::Disk* self) { return self->get_name(); }, "The name of this disk");
342 py::enum_<simgrid::s4u::Disk::SharingPolicy>(disk, "SharingPolicy")
343 .value("NONLINEAR", simgrid::s4u::Disk::SharingPolicy::NONLINEAR)
344 .value("LINEAR", simgrid::s4u::Disk::SharingPolicy::LINEAR)
346 py::enum_<simgrid::s4u::Disk::Operation>(disk, "Operation")
347 .value("READ", simgrid::s4u::Disk::Operation::READ)
348 .value("WRITE", simgrid::s4u::Disk::Operation::WRITE)
349 .value("READWRITE", simgrid::s4u::Disk::Operation::READWRITE)
353 py::class_<simgrid::kernel::routing::NetPoint, std::unique_ptr<simgrid::kernel::routing::NetPoint, py::nodelete>>
354 netpoint(m, "NetPoint", "NetPoint object");
357 py::class_<simgrid::s4u::Link, std::unique_ptr<simgrid::s4u::Link, py::nodelete>> link(m, "Link", "Network link");
358 link.def("set_latency", py::overload_cast<const std::string&>(&simgrid::s4u::Link::set_latency), "Set the latency")
359 .def("set_latency", py::overload_cast<double>(&simgrid::s4u::Link::set_latency), "Set the latency")
360 .def("set_sharing_policy", &simgrid::s4u::Link::set_sharing_policy, "Set sharing policy for this link")
361 .def("set_concurrency_limit", &simgrid::s4u::Link::set_concurrency_limit, "Set concurrency limit for this link")
362 .def("set_host_wifi_rate", &simgrid::s4u::Link::set_host_wifi_rate,
363 "Set level of communication speed of given host on this Wi-Fi link")
364 .def("seal", &simgrid::s4u::Link::seal, "Seal this link")
365 .def_property_readonly(
367 [](const simgrid::s4u::Link* self) {
368 return std::string(self->get_name().c_str()); // Convert from xbt::string because of MC
370 "The name of this link");
371 py::enum_<simgrid::s4u::Link::SharingPolicy>(link, "SharingPolicy")
372 .value("NONLINEAR", simgrid::s4u::Link::SharingPolicy::NONLINEAR)
373 .value("WIFI", simgrid::s4u::Link::SharingPolicy::WIFI)
374 .value("SPLITDUPLEX", simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX)
375 .value("SHARED", simgrid::s4u::Link::SharingPolicy::SHARED)
376 .value("FATPIPE", simgrid::s4u::Link::SharingPolicy::FATPIPE)
379 /* Class LinkInRoute */
380 py::class_<simgrid::s4u::LinkInRoute> linkinroute(m, "LinkInRoute", "Abstraction to add link in routes");
381 linkinroute.def(py::init<const simgrid::s4u::Link*>());
382 linkinroute.def(py::init<const simgrid::s4u::Link*, simgrid::s4u::LinkInRoute::Direction>());
383 py::enum_<simgrid::s4u::LinkInRoute::Direction>(linkinroute, "Direction")
384 .value("UP", simgrid::s4u::LinkInRoute::Direction::UP)
385 .value("DOWN", simgrid::s4u::LinkInRoute::Direction::DOWN)
386 .value("NONE", simgrid::s4u::LinkInRoute::Direction::NONE)
389 /* Class Split-Duplex Link */
390 py::class_<simgrid::s4u::SplitDuplexLink, simgrid::s4u::Link,
391 std::unique_ptr<simgrid::s4u::SplitDuplexLink, py::nodelete>>(m, "SplitDuplexLink",
392 "Network split-duplex link")
393 .def("get_link_up", &simgrid::s4u::SplitDuplexLink::get_link_up, "Get link direction up")
394 .def("get_link_down", &simgrid::s4u::SplitDuplexLink::get_link_down, "Get link direction down");
397 py::class_<simgrid::s4u::Mailbox, std::unique_ptr<Mailbox, py::nodelete>>(m, "Mailbox", "Mailbox")
399 "__str__", [](const Mailbox* self) { return std::string("Mailbox(") + self->get_cname() + ")"; },
400 "Textual representation of the Mailbox`")
401 .def("by_name", &Mailbox::by_name, py::call_guard<GilScopedRelease>(), "Retrieve a Mailbox from its name")
402 .def_property_readonly(
404 [](const Mailbox* self) {
405 return std::string(self->get_name().c_str()); // Convert from xbt::string because of MC
407 "The name of that mailbox")
410 [](Mailbox* self, py::object data, int size) {
412 self->put(data.ptr(), size);
414 py::call_guard<GilScopedRelease>(), "Blocking data transmission")
417 [](Mailbox* self, py::object data, int size) {
419 return self->put_async(data.ptr(), size);
421 py::call_guard<GilScopedRelease>(), "Non-blocking data transmission")
425 py::object data = pybind11::reinterpret_steal<py::object>(self->get<PyObject>());
426 // data.dec_ref(); // FIXME: why does it break python-actor-create?
429 py::call_guard<GilScopedRelease>(), "Blocking data reception")
432 [](Mailbox* self) -> std::tuple<simgrid::s4u::CommPtr, PyGetAsync> {
434 auto comm = self->get_async(wrap.get());
435 return std::make_tuple(std::move(comm), std::move(wrap));
437 py::call_guard<GilScopedRelease>(),
438 "Non-blocking data reception. Use data.get() to get the python object after the communication has finished")
440 "set_receiver", [](Mailbox* self, ActorPtr actor) { self->set_receiver(actor); },
441 py::call_guard<GilScopedRelease>(), "Sets the actor as permanent receiver");
443 /* Class PyGetAsync */
444 py::class_<PyGetAsync>(m, "PyGetAsync", "Wrapper for async get communications")
447 "get", [](const PyGetAsync* self) { return py::reinterpret_steal<py::object>(*(self->get())); },
448 "Get python object after async communication in receiver side");
451 py::class_<simgrid::s4u::Comm, simgrid::s4u::CommPtr>(m, "Comm", "Communication")
452 .def("test", &simgrid::s4u::Comm::test, py::call_guard<GilScopedRelease>(),
453 "Test whether the communication is terminated.")
454 .def("wait", &simgrid::s4u::Comm::wait, py::call_guard<GilScopedRelease>(),
455 "Block until the completion of that communication.")
456 // use py::overload_cast for wait_all/wait_any, until the overload marked XBT_ATTRIB_DEPRECATED_v332 is removed
457 .def_static("wait_all",
458 py::overload_cast<const std::vector<simgrid::s4u::CommPtr>&>(&simgrid::s4u::Comm::wait_all),
459 py::call_guard<GilScopedRelease>(), "Block until the completion of all communications in the list.")
461 "wait_any", py::overload_cast<const std::vector<simgrid::s4u::CommPtr>&>(&simgrid::s4u::Comm::wait_any),
462 py::call_guard<GilScopedRelease>(),
463 "Block until the completion of any communication in the list and return the index of the terminated one.");
466 py::class_<simgrid::s4u::Io, simgrid::s4u::IoPtr>(m, "Io", "I/O activities")
467 .def("test", &simgrid::s4u::Io::test, py::call_guard<GilScopedRelease>(), "Test whether the I/O is terminated.")
468 .def("wait", &simgrid::s4u::Io::wait, py::call_guard<GilScopedRelease>(),
469 "Block until the completion of that I/O operation")
471 "wait_any_for", &simgrid::s4u::Io::wait_any_for, py::call_guard<GilScopedRelease>(),
472 "Block until the completion of any I/O in the list (or timeout) and return the index of the terminated one.")
473 .def_static("wait_any", &simgrid::s4u::Io::wait_any, py::call_guard<GilScopedRelease>(),
474 "Block until the completion of any I/O in the list and return the index of the terminated one.");
477 py::class_<simgrid::s4u::Exec, simgrid::s4u::ExecPtr>(m, "Exec", "Execution")
478 .def_property_readonly(
480 [](simgrid::s4u::ExecPtr self) {
481 GilScopedRelease gil_guard;
482 return self->get_remaining();
484 "Amount of flops that remain to be computed until completion.")
485 .def_property_readonly(
487 [](simgrid::s4u::ExecPtr self) {
488 GilScopedRelease gil_guard;
489 return self->get_remaining_ratio();
491 "Amount of work remaining until completion from 0 (completely done) to 1 (nothing done "
493 .def_property("host", &simgrid::s4u::Exec::get_host, &simgrid::s4u::Exec::set_host,
494 "Host on which this execution runs. Only the first host is returned for parallel executions.")
495 .def("test", &simgrid::s4u::Exec::test, py::call_guard<GilScopedRelease>(),
496 "Test whether the execution is terminated.")
497 .def("cancel", &simgrid::s4u::Exec::cancel, py::call_guard<GilScopedRelease>(), "Cancel that execution.")
498 .def("start", &simgrid::s4u::Exec::start, py::call_guard<GilScopedRelease>(), "Start that execution.")
499 .def("wait", &simgrid::s4u::Exec::wait, py::call_guard<GilScopedRelease>(),
500 "Block until the completion of that execution.");
503 py::class_<simgrid::s4u::Actor, ActorPtr>(m, "Actor",
504 "An actor is an independent stream of execution in your distributed "
508 [](py::str name, Host* h, py::object fun, py::args args) {
509 fun.inc_ref(); // FIXME: why is this needed for tests like exec-async, exec-dvfs and exec-remote?
510 args.inc_ref(); // FIXME: why is this needed for tests like actor-migrate?
511 return simgrid::s4u::Actor::create(name, h, [fun, args]() {
513 GilScopedAcquire py_context;
515 } catch (const py::error_already_set& ex) {
516 if (ex.matches(pyForcefulKillEx)) {
517 XBT_VERB("Actor killed");
518 simgrid::ForcefulKillException::do_throw(); // Forward that ForcefulKill exception
524 py::call_guard<GilScopedRelease>(), "Create an actor from a function or an object.")
526 "host", &Actor::get_host,
527 [](Actor* a, Host* h) {
528 GilScopedRelease gil_guard;
531 "The host on which this actor is located")
532 .def_property_readonly("name", &Actor::get_cname, "The name of this actor.")
533 .def_property_readonly("pid", &Actor::get_pid, "The PID (unique identifier) of this actor.")
534 .def_property_readonly("ppid", &Actor::get_ppid,
535 "The PID (unique identifier) of the actor that created this one.")
536 .def("by_pid", &Actor::by_pid, "Retrieve an actor by its PID")
537 .def("daemonize", &Actor::daemonize, py::call_guard<GilScopedRelease>(),
538 "This actor will be automatically terminated when the last non-daemon actor finishes (more info in the C++ "
540 .def("is_daemon", &Actor::is_daemon,
541 "Returns True if that actor is a daemon and will be terminated automatically when the last non-daemon actor "
543 .def("join", py::overload_cast<double>(&Actor::join, py::const_), py::call_guard<GilScopedRelease>(),
544 "Wait for the actor to finish (more info in the C++ documentation).", py::arg("timeout"))
545 .def("kill", &Actor::kill, py::call_guard<GilScopedRelease>(), "Kill that actor")
546 .def("kill_all", &Actor::kill_all, py::call_guard<GilScopedRelease>(), "Kill all actors but the caller.")
547 .def("self", &Actor::self, "Retrieves the current actor.")
548 .def("is_suspended", &Actor::is_suspended, "Returns True if that actor is currently suspended.")
549 .def("suspend", &Actor::suspend, py::call_guard<GilScopedRelease>(),
550 "Suspend that actor, that is blocked until resume()ed by another actor.")
551 .def("resume", &Actor::resume, py::call_guard<GilScopedRelease>(),
552 "Resume that actor, that was previously suspend()ed.");