8 <object id="TOC" data="graphical-toc.svg" type="image/svg+xml"></object>
10 window.onload=function() { // Wait for the SVG to be loaded before changing it
11 var elem=document.querySelector("#TOC").contentDocument.getElementById("ActorBox")
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18 The S4U interface (SimGrid for you) mixes the full power of SimGrid
19 with the full power of C++. This is the preferred interface to describe
20 abstract algorithms in the domains of Cloud, P2P, HPC, IoT, and similar
23 Since v3.33 (Spring 2023), S4U is the main interface of SimGrid for algorithms.
24 It is feature complete, but may still evolve slightly in future releases.
25 When this happens, compiling your code will produce deprecation warnings for 4
26 releases (one year) before the removal of the old symbols.
28 .. _S4U_main_concepts:
33 A typical SimGrid simulation is composed of several |API_s4u_Actors|_, that
34 execute user-provided functions. The actors have to explicitly use the
35 S4U interface to express their :ref:`computation <API_s4u_Exec>`,
36 :ref:`communication <API_s4u_Comm>`, :ref:`disk usage <API_s4u_Io>`,
37 and other |API_s4u_Activities|_, so that they get reflected within the
38 simulator. These activities take place on resources such as |API_s4u_Hosts|_,
39 |API_s4u_Links|_, and |API_s4u_Disks|_. SimGrid predicts the time taken by each
40 activity and orchestrates the actors accordingly, waiting for the
41 completion of these activities.
44 When **communicating**, data is not directly sent to other actors but
45 posted onto a |API_s4u_Mailbox|_ that serves as a rendezvous point between
46 communicating actors. This means that you don't need to know who you
47 are talking to, you just put your communication `Put` request in a
48 mailbox, and it will be matched with a complementary `Get`
49 request. Alternatively, actors can interact through **classical
50 synchronization mechanisms** such as |API_s4u_Barrier|_, |API_s4u_Semaphore|_,
51 |API_s4u_Mutex|_, and |API_s4u_ConditionVariable|_.
53 Each actor is located on a simulated |API_s4u_Host|_. Each host is located
54 in a |API_s4u_NetZone|_, that knows the networking path between one
55 resource to another. Each NetZone is included in another one, forming
56 a tree of NetZones which root zone contains the whole platform. The
57 actors can also be located on a |API_s4U_VirtualMachine|_ that may
58 restrict the activities it contains to a limited amount of cores.
59 Virtual machines can also be migrated between hosts.
61 The :ref:`simgrid::s4u::this_actor <API_s4u_this_actor>` namespace
62 provides many helper functions to simplify the code of actors.
64 .. rst-class:: compact-list
66 - **Simulation Elements**
68 - :ref:`class Actor <API_s4u_Actor>`: Active entities executing your application.
69 - :ref:`class Engine <API_s4u_Engine>`: Simulation engine (singleton).
70 - :ref:`class Mailbox <API_s4u_Mailbox>`: Communication rendezvous, with which actors meet each other.
74 - :ref:`class Disk <API_s4u_Disk>`: Resource on which actors can write and read data.
75 - :ref:`class Host <API_s4u_Host>`: Actor location, providing computational power.
76 - :ref:`class Link <API_s4u_Link>`: Interconnecting hosts.
77 - :ref:`class NetZone <API_s4u_NetZone>`: Sub-region of the platform, containing resources (Hosts, Links, etc).
78 - :ref:`class VirtualMachine <API_s4u_VirtualMachine>`: Execution containers that can be moved between Hosts.
80 - **Activities** (:ref:`class Activity <API_s4u_Activity>`): The things that actors can do on resources.
82 - :ref:`class Comm <API_s4u_Comm>`: Communication activity, started on Mailboxes and consuming links.
83 - :ref:`class Exec <API_s4u_Exec>`: Computation activity, started on Host and consuming CPU resources.
84 - :ref:`class Io <API_s4u_Io>`: I/O activity, started on and consuming disks.
86 - **Synchronization Objects**: Classical IPC that actors can use
88 - :ref:`class Barrier <API_s4u_Barrier>`
89 - :ref:`class ConditionVariable <API_s4u_ConditionVariable>`
90 - :ref:`class Mutex <API_s4u_Mutex>`
91 - :ref:`class Semaphore <API_s4u_Semaphore>`
93 .. |API_s4u_Actors| replace:: **Actors**
94 .. _API_s4u_Actors: #api-s4u-actor
96 .. |API_s4u_Activities| replace:: **Activities**
97 .. _API_s4u_Activities: #api-s4u-activity
99 .. |API_s4u_Tasks| replace:: **Tasks**
100 .. _API_s4u_Tasks: #api-s4u-task
102 .. |API_s4u_Hosts| replace:: **Hosts**
103 .. _API_s4u_Hosts: #api-s4u-host
105 .. |API_s4u_Links| replace:: **Links**
106 .. _API_s4u_Links: #api-s4u-link
108 .. |API_s4u_Disks| replace:: **Disks**
109 .. _API_s4u_Disks: #api-s4u-disk
111 .. |API_s4u_VirtualMachine| replace:: **VirtualMachines**
113 .. |API_s4u_Host| replace:: **Host**
115 .. |API_s4u_Mailbox| replace:: **Mailbox**
117 .. |API_s4u_Mailboxes| replace:: **Mailboxes**
118 .. _API_s4u_Mailboxes: #s4u-mailbox
120 .. |API_s4u_NetZone| replace:: **NetZone**
122 .. |API_s4u_Barrier| replace:: **Barrier**
124 .. |API_s4u_Semaphore| replace:: **Semaphore**
126 .. |API_s4u_ConditionVariable| replace:: **ConditionVariable**
128 .. |API_s4u_Mutex| replace:: **Mutex**
135 Activities represent the actions that consume a resource, such as a
136 :ref:`Comm <API_s4u_Comm>` that consumes the *transmitting power* of
137 :ref:`Link <API_s4u_Link>` resources, or an :ref:`Exec <API_s4u_Exec>`
138 that consumes the *computing power* of :ref:`Host <API_s4u_Host>` resources.
139 See also the :ref:`full API <API_s4u_Activity>` below.
141 =======================
142 Asynchronous Activities
143 =======================
145 Every activity can be either **blocking** or **asynchronous**. For
146 example, :cpp:func:`s4u::Mailbox::put() <simgrid::s4u::Mailbox::put>`
147 and :cpp:func:`s4u::Mailbox::get() <simgrid::s4u::Mailbox::get>`
148 create blocking communications: the actor is blocked until the
149 completion of that communication. Asynchronous communications do not
150 block the actor during their execution but progress on their own.
152 Once your asynchronous activity is started, you can test for its
153 completion using :cpp:func:`s4u::Activity::test() <simgrid::s4u::Activity::test>`.
154 This function returns ``true`` if the activity is completed already.
155 You can also use :cpp:func:`s4u::Activity::wait() <simgrid::s4u::Activity::wait>`
156 to block until the completion of the activity. To wait for at most a given amount of time,
157 use :cpp:func:`s4u::Activity::wait_for() <simgrid::s4u::Activity::wait_for>`.
158 Finally, to wait at most until a specified time limit, use
159 :cpp:func:`s4u::Activity::wait_until() <simgrid::s4u::Activity::wait_until>`.
161 Every kind of activity can be asynchronous.
162 :ref:`s4u::CommPtr <API_s4u_Comm>` are created with :cpp:func:`s4u::Mailbox::put_async() <simgrid::s4u::Mailbox::put_async>` and
163 :cpp:func:`s4u::Mailbox::get_async() <simgrid::s4u::Mailbox::get_async>`;
164 :ref:`s4u::IoPtr <API_s4u_Io>` are created with :cpp:func:`s4u::Disk::read_async() <simgrid::s4u::Disk::read_async>` and
165 :cpp:func:`s4u::Disk::write_async() <simgrid::s4u::Disk::write_async>`; and
166 :ref:`s4u::ExecPtr <API_s4u_Exec>` are created with
167 :cpp:func:`s4u::Host::exec_async() <simgrid::s4u::Host::exec_async>`.
168 In the future, it will become possible to have asynchronous IPC such as asynchronous mutex lock requests.
170 The following example shows how to have several concurrent
171 communications ongoing. First, you have to declare a vector in which
172 we will store the ongoing communications. It is also useful to have a
175 .. literalinclude:: ../../examples/cpp/comm-waitall/s4u-comm-waitall.cpp
177 :start-after: init-begin
178 :end-before: init-end
181 Then, you start all the communications that should occur concurrently with
182 :cpp:func:`s4u::Mailbox::put_async() <simgrid::s4u::Mailbox::put_async>`.
183 Finally, the actor waits for the completion of all of them at once
184 with :cpp:func:`s4u::Comm::wait_all() <simgrid::s4u::Comm::wait_all>`.
186 .. literalinclude:: ../../examples/cpp/comm-waitall/s4u-comm-waitall.cpp
188 :start-after: put-begin
192 =====================
193 Activities Life Cycle
194 =====================
196 Sometimes, you want to change the setting of an activity before it even starts.
198 .. todo:: write this section
200 =====================
201 Repeatable Activities
202 =====================
204 In order to simulate the execution of Dataflow applications, we introduced the
205 concept of |API_s4u_Tasks|, that can be seen as repeatable activities. A Dataflow
206 is defined as a graph of |API_s4u_Tasks| through which circulate Tokens. Tokens
207 can carry any user-defined data, using the same internal mechanisms as for the
208 other simulated objects. Each Task has to receive a token from each of its
209 predecessor to fire a new instance of a :ref:`Communication <API_s4u_Comm>`,
210 :ref:`Execution <API_s4u_Exec>`, or :ref:`I/O <API_s4u_Io>` activity.
211 On completion of this activity, the Task propagates tokens
212 to its successors, and waits for the next set of tokens to arrive.
213 Multiple instances of the same Task can run in parallel by adjusting its
214 horizontal scaling with
215 :cpp:func:`s4u::Task::set_parallelism_degree() <simgrid::s4u::Task::set_parallelism_degree>`.
217 :ref:`Communications <API_s4u_Comm>` (started on Mailboxes and consuming links),
218 :ref:`Executions <API_s4u_Exec>` (started on Host and consuming CPU resources)
219 :ref:`I/O <API_s4u_Io>` (started on and consuming disks).
221 To initiate the execution of a Dataflow, it is possible to some make
222 |API_s4u_Tasks| fire one or more activities without waiting for any token with the
223 :cpp:func:`s4u::Task::enqueue_firings() <simgrid::s4u::Task::enqueue_firings>`
226 The parameters and successors of a Task can be redefined at runtime by attaching
228 :cpp:func:`s4u::Task::on_this_start <simgrid::s4u::Task::on_this_start>`
230 :cpp:func:`s4u::Task::on_this_completion <simgrid::s4u::Task::on_this_completion>`
239 Please also refer to the :ref:`API reference for s4u::Mailbox
246 |API_s4u_Mailboxes|_ are rendezvous points for network communications,
247 similar to URLs on which you could post and retrieve data. Actually,
248 the mailboxes are not involved in the communication once it starts,
249 but only to find the contact with which you want to communicate.
251 They are similar to many common things: The phone number, which allows
252 the caller to find the receiver. The Twitter hashtag, which helps
253 senders and receivers to find each other. In TCP, the pair
254 ``{host name, host port}`` to which you can connect to find your peer.
255 In HTTP, URLs through which the clients can connect to the servers.
256 In ZeroMQ, the queues are used to match senders and receivers.
258 One big difference with most of these systems is that no actor is the
259 exclusive owner of a mailbox, neither in sending nor in receiving.
260 Many actors can send into and/or receive from the same mailbox. TCP
261 socket ports for example are shared on the sender side but exclusive
262 on the receiver side (only one process can receive from a given socket
263 at a given point of time).
265 A big difference with TCP sockets or MPI communications is that
266 communications do not start right away after a
267 :cpp:func:`Mailbox::put() <simgrid::s4u::Mailbox::put>`, but wait
268 for the corresponding :cpp:func:`Mailbox::get() <simgrid::s4u::Mailbox::get>`.
269 You can change this by :ref:`declaring a receiving actor <s4u_receiving_actor>`.
271 A big difference with Twitter hashtags is that SimGrid does not
272 offer easy support to broadcast a given message to many
273 receivers. So that would be like a Twitter tag where each message
274 is consumed by the first receiver.
276 A big difference with the ZeroMQ queues is that you cannot filter
277 on the data you want to get from the mailbox. To model such settings
278 in SimGrid, you'd have one mailbox per potential topic, and subscribe
279 to each topic individually with a
280 :cpp:func:`get_async() <simgrid::s4u::Mailbox::get_async>` on each mailbox.
281 Then, use :cpp:func:`Comm::wait_any() <simgrid::s4u::Comm::wait_any>`
282 to get the first message on any of the mailboxes you are subscribed to.
284 The mailboxes are not located on the network, and you can access
285 them without any latency. The network delays are only related to the
286 location of the sender and receiver once the match between them is
287 done on the mailbox. This is just like the phone number that you
288 can use locally, and the geographical distance only comes into play
289 once you start the communication by dialing this number.
291 =====================
292 How to use Mailboxes?
293 =====================
295 You can retrieve any existing mailbox from its name (which is a
296 unique string, just like a Twitter tag). This results in a
297 versatile tool that can be used to build many different
300 To model classical socket communications, use "hostname:port" as
301 mailbox names, and make sure that only one actor reads into a given
302 mailbox. This does not make it easy to build a perfectly realistic
303 model of the TCP sockets, but in most cases, this system is too
304 cumbersome for your simulations anyway. You probably want something
305 simpler, that turns out to be easy to build with the mailboxes.
307 Many SimGrid examples use a sort of yellow page system where the
308 mailbox names are the name of the service (such as "worker",
309 "master", or "reducer"). That way, you don't have to know where your
310 peer is located to contact it. You don't even need its name. Its
311 function is enough for that. This also gives you some sort of load
312 balancing for free if more than one actor pulls from the mailbox:
313 the first actor that can deal with the request will handle it.
315 =========================================
316 How are put() and get() requests matched?
317 =========================================
319 The matching algorithm simple: first come, first serve. When a new
320 send arrives, it matches the oldest enqueued receive. If no receive is
321 currently enqueued, then the incoming send is enqueued. As you can
322 see, the mailbox cannot contain both send and receive requests: all
323 enqueued requests must be of the same sort.
325 .. _s4u_receiving_actor:
327 ===========================
328 Declaring a Receiving Actor
329 ===========================
331 The last twist is that by default in the simulator, the data starts
332 to be exchanged only when both the sender and the receiver are
333 announced (it waits until both :cpp:func:`put() <simgrid::s4u::Mailbox::put()>`
334 and :cpp:func:`get() <simgrid::s4u::Mailbox::get()>` are posted).
335 In TCP, since you establish connections beforehand, the data starts to
336 flow as soon as the sender posts it, even if the receiver did not post
337 its :cpp:func:`put() <simgrid::s4u::Mailbox::put()>` yet.
339 To model this in SimGrid, you can declare a specific receiver to a
340 given mailbox (with the function
341 :cpp:func:`set_receiver() <simgrid::s4u::Mailbox::set_receiver()>`).
342 That way, any :cpp:func:`put() <simgrid::s4u::Mailbox::put()>`
343 posted to that mailbox will start as soon as possible, and the data
344 will already be there on the receiver host when the receiver actor
345 posts its :cpp:func:`get() <simgrid::s4u::Mailbox::get()>`
347 Note that being permanent receivers of a mailbox prevents actors to be
348 garbage-collected. If your simulation creates many short-lived actors
349 that are marked as permanent receiver, you should call
350 ``mailbox->set_receiver(nullptr)`` by the end of the actors so that their
351 memory gets properly reclaimed. This call should be at the end of the
352 actor's function, not in an on_exit callback.
354 ===============================
355 Communicating without Mailboxes
356 ===============================
358 Sometimes you don't want to simulate communications between actors as
359 allowed by mailboxes, but you want to create a direct communication
360 between two arbitrary hosts. This can arise when you write a
361 high-level model of a centralized scheduler, or when you model direct
362 communications such as one-sided communications in MPI or remote
363 memory direct access in PGAS.
365 For that, :cpp:func:`Comm::sendto() <simgrid::s4u::Comm::sendto()>`
366 simulates a direct communication between the two specified hosts. No
367 mailbox is used, and there is no rendezvous between actors. You can
368 freely mix such direct communications and rendezvous-based
369 communications. Alternatively, :cpp:func:`Comm::sendto_init()
370 <simgrid::s4u::Comm::sendto_init()>` and
371 :cpp:func:`Comm::sendto_async() <simgrid::s4u::Comm::sendto_async()>`
372 create asynchronous direct communications.
379 For sake of simplicity, we use `RAII
380 <https://en.wikipedia.org/wiki/Resource_Acquisition_Is_Initialization>`_
381 for many classes in S4U. This is an idiom where resources are automatically
382 managed through the context. Provided that you never manipulate
383 objects of type Foo directly but always FooPtr references (which are
384 defined as `boost::intrusive_ptr
385 <http://www.boost.org/doc/libs/1_61_0/libs/smart_ptr/intrusive_ptr.html>`_
386 <Foo>), you will never have to explicitly release the resource that
387 you use nor to free the memory of unused objects.
388 Here is a little example:
394 simgrid::s4u::MutexPtr mutex = simgrid::s4u::Mutex::create(); // Too bad we cannot use `new`
396 mutex->lock(); // use the mutex as a simple reference
400 } // The mutex gets automatically freed because the only existing reference gets out of scope
402 Note that Mailboxes, Hosts, and Links are not handled through smart
403 pointers (yet?). This means that it is currently impossible to destroy a
404 mailbox or a link. You can still destroy a host (but probably
405 shouldn't), using :cpp:func:`simgrid::s4u::Host::destroy`.
410 .. _API_s4u_simulation_object:
426 .. doxygenclass:: simgrid::s4u::Actor
428 .. doxygentypedef:: aid_t
431 .. group-tab:: Python
433 .. autoclass:: simgrid.Actor
444 #include <simgrid/s4u/Actor.hpp>
446 .. doxygentypedef:: ActorPtr
448 .. group-tab:: Python
452 from simgrid import Actor
458 #include <simgrid/actor.h>
460 .. doxygentypedef:: sg_actor_t
461 .. doxygentypedef:: const_sg_actor_t
462 .. doxygenfunction:: sg_actor_ref
463 .. doxygenfunction:: sg_actor_unref
469 See also :ref:`the relevant example <s4u_ex_actors_create>`.
475 .. doxygenfunction:: simgrid::s4u::Actor::create(const std::string &name, s4u::Host *host, const std::function< void()> &code)
476 .. doxygenfunction:: simgrid::s4u::Actor::create(const std::string &name, s4u::Host *host, F code)
477 .. doxygenfunction:: simgrid::s4u::Actor::create(const std::string &name, s4u::Host *host, F code, Args... args)
478 .. doxygenfunction:: simgrid::s4u::Actor::create(const std::string &name, s4u::Host *host, const std::string &function, std::vector< std::string > args)
480 .. doxygenfunction:: simgrid::s4u::Actor::init(const std::string &name, s4u::Host *host)
481 .. doxygenfunction:: simgrid::s4u::Actor::start(const std::function< void()> &code)
482 .. doxygenfunction:: simgrid::s4u::Actor::set_stacksize
484 .. group-tab:: Python
486 .. automethod:: simgrid.Actor.create
490 .. doxygenfunction:: sg_actor_create(const char *name, sg_host_t host, xbt_main_func_t code, int argc, char *const *argv)
491 .. doxygenfunction:: sg_actor_init(const char *name, sg_host_t host)
492 .. doxygenfunction:: sg_actor_start(sg_actor_t actor, xbt_main_func_t code, int argc, char *const *argv)
493 .. doxygenfunction:: sg_actor_set_stacksize
495 .. doxygenfunction:: sg_actor_attach(const char *name, void *data, sg_host_t host, xbt_dict_t properties)
496 .. doxygenfunction:: sg_actor_detach()
505 .. doxygenfunction:: simgrid::s4u::Actor::by_pid(aid_t pid)
506 .. doxygenfunction:: simgrid::s4u::Actor::self()
508 .. group-tab:: Python
510 .. automethod:: simgrid.Actor.by_pid
511 .. automethod:: simgrid.Actor.self
515 .. doxygenfunction:: sg_actor_by_pid(aid_t pid)
516 .. doxygenfunction:: sg_actor_self()
517 .. doxygenfunction:: sg_actor_list()
526 .. doxygenfunction:: simgrid::s4u::Actor::get_cname
527 .. doxygenfunction:: simgrid::s4u::Actor::get_name
528 .. doxygenfunction:: simgrid::s4u::Actor::get_pid
529 .. doxygenfunction:: simgrid::s4u::Actor::get_ppid
530 .. doxygenfunction:: simgrid::s4u::Actor::get_properties() const
531 .. doxygenfunction:: simgrid::s4u::Actor::get_property(const std::string &key) const
532 .. doxygenfunction:: simgrid::s4u::Actor::set_property(const std::string &key, const std::string &value)
534 .. doxygenfunction:: simgrid::s4u::Actor::get_host
535 .. doxygenfunction:: simgrid::s4u::Actor::set_host
537 .. doxygenfunction:: simgrid::s4u::Actor::get_refcount
538 .. doxygenfunction:: simgrid::s4u::Actor::get_impl
540 .. group-tab:: Python
542 .. autoattribute:: simgrid.Actor.name
543 .. autoattribute:: simgrid.Actor.host
544 .. autoattribute:: simgrid.Actor.pid
545 .. autoattribute:: simgrid.Actor.ppid
549 .. doxygenfunction:: sg_actor_get_name(const_sg_actor_t actor)
550 .. doxygenfunction:: sg_actor_get_pid(const_sg_actor_t actor)
551 .. doxygenfunction:: sg_actor_get_ppid(const_sg_actor_t actor)
552 .. doxygenfunction:: sg_actor_get_properties(const_sg_actor_t actor)
553 .. doxygenfunction:: sg_actor_get_property_value(const_sg_actor_t actor, const char *name)
555 .. doxygenfunction:: sg_actor_get_host(const_sg_actor_t actor)
556 .. doxygenfunction:: sg_actor_set_host(sg_actor_t actor, sg_host_t host)
558 .. doxygenfunction:: sg_actor_get_data(const_sg_actor_t actor)
559 .. doxygenfunction:: sg_actor_set_data(sg_actor_t actor, void *userdata)
561 Suspending and resuming actors
562 ------------------------------
568 .. doxygenfunction:: simgrid::s4u::Actor::suspend()
569 .. doxygenfunction:: simgrid::s4u::Actor::resume()
570 .. doxygenfunction:: simgrid::s4u::Actor::is_suspended
572 .. group-tab:: Python
574 .. automethod:: simgrid.Actor.resume
575 .. automethod:: simgrid.Actor.suspend
576 .. automethod:: simgrid.Actor.is_suspended
580 .. doxygenfunction:: sg_actor_suspend(sg_actor_t actor)
581 .. doxygenfunction:: sg_actor_resume(sg_actor_t actor)
582 .. doxygenfunction:: sg_actor_is_suspended(const_sg_actor_t actor)
584 Specifying when actors should terminate
585 ---------------------------------------
591 .. doxygenfunction:: simgrid::s4u::Actor::kill()
592 .. doxygenfunction:: simgrid::s4u::Actor::kill_all()
593 .. doxygenfunction:: simgrid::s4u::Actor::set_kill_time(double time)
594 .. doxygenfunction:: simgrid::s4u::Actor::get_kill_time
596 .. doxygenfunction:: simgrid::s4u::Actor::restart()
597 .. doxygenfunction:: simgrid::s4u::Actor::daemonize()
598 .. doxygenfunction:: simgrid::s4u::Actor::is_daemon
600 .. group-tab:: Python
602 .. automethod:: simgrid.Actor.kill
603 .. automethod:: simgrid.Actor.kill_all
605 .. automethod:: simgrid.Actor.daemonize
606 .. automethod:: simgrid.Actor.is_daemon
610 .. doxygenfunction:: sg_actor_kill(sg_actor_t actor)
611 .. doxygenfunction:: sg_actor_kill_all()
612 .. doxygenfunction:: sg_actor_set_kill_time(sg_actor_t actor, double kill_time)
614 .. doxygenfunction:: sg_actor_restart(sg_actor_t actor)
615 .. doxygenfunction:: sg_actor_daemonize(sg_actor_t actor)
616 .. doxygenfunction:: sg_actor_is_daemon
618 .. _API_s4u_Actor_end:
620 Reacting to the end of actors
621 -----------------------------
627 .. doxygenfunction:: simgrid::s4u::Actor::on_exit
628 .. doxygenfunction:: simgrid::s4u::Actor::join() const
629 .. doxygenfunction:: simgrid::s4u::Actor::join(double timeout) const
630 .. doxygenfunction:: simgrid::s4u::Actor::set_auto_restart(bool autorestart)
631 .. doxygenfunction:: simgrid::s4u::Actor::get_restart_count
633 .. group-tab:: Python
635 .. automethod:: simgrid.Actor.join
639 .. doxygenfunction:: sg_actor_on_exit
640 .. doxygenfunction:: sg_actor_join(const_sg_actor_t actor, double timeout)
641 .. doxygenfunction:: sg_actor_set_auto_restart(sg_actor_t actor, int auto_restart)
650 .. doxygenfunction:: simgrid::s4u::Actor::on_creation_cb
651 .. doxygenfunction:: simgrid::s4u::Actor::on_suspend_cb
652 .. doxygenfunction:: simgrid::s4u::Actor::on_this_suspend_cb
653 .. doxygenfunction:: simgrid::s4u::Actor::on_host_change_cb
654 .. doxygenfunction:: simgrid::s4u::Actor::on_this_host_change_cb
655 .. doxygenfunction:: simgrid::s4u::Actor::on_resume_cb
656 .. doxygenfunction:: simgrid::s4u::Actor::on_this_resume_cb
657 .. doxygenfunction:: simgrid::s4u::Actor::on_sleep_cb
658 .. doxygenfunction:: simgrid::s4u::Actor::on_this_sleep_cb
659 .. doxygenfunction:: simgrid::s4u::Actor::on_wake_up_cb
660 .. doxygenfunction:: simgrid::s4u::Actor::on_this_wake_up_cb
661 .. doxygenfunction:: simgrid::s4u::Actor::on_termination_cb
662 .. doxygenfunction:: simgrid::s4u::Actor::on_this_termination_cb
663 .. doxygenfunction:: simgrid::s4u::Actor::on_destruction_cb
664 .. doxygenfunction:: simgrid::s4u::Actor::on_this_destruction_cb
666 .. _API_s4u_this_actor:
672 These functions can be used in your user code to interact with the actor
673 currently running (the one retrieved with :cpp:func:`simgrid::s4u::Actor::self`).
674 Using these functions can greatly improve the code readability.
683 .. doxygenfunction:: simgrid::s4u::this_actor::get_cname()
684 .. doxygenfunction:: simgrid::s4u::this_actor::get_name()
685 .. doxygenfunction:: simgrid::s4u::this_actor::get_pid()
686 .. doxygenfunction:: simgrid::s4u::this_actor::get_ppid()
687 .. doxygenfunction:: simgrid::s4u::this_actor::is_maestro()
689 .. doxygenfunction:: simgrid::s4u::this_actor::get_host()
690 .. doxygenfunction:: simgrid::s4u::this_actor::set_host(Host *new_host)
692 .. group-tab:: Python
694 .. autofunction:: simgrid.this_actor.get_host
695 .. autofunction:: simgrid.this_actor.set_host
697 .. autofunction:: simgrid.this_actor.get_pid
698 .. autofunction:: simgrid.this_actor.get_ppid
702 .. doxygenfunction:: sg_actor_self_get_data()
703 .. doxygenfunction:: sg_actor_self_set_data(void *data)
704 .. doxygenfunction:: sg_actor_self_get_name()
705 .. doxygenfunction:: sg_actor_self_get_pid()
706 .. doxygenfunction:: sg_actor_self_get_ppid()
707 .. doxygenfunction:: sg_host_self()
708 .. doxygenfunction:: sg_host_self_get_name()
710 Suspending and resuming
711 -----------------------
717 .. doxygenfunction:: simgrid::s4u::this_actor::suspend()
718 .. doxygenfunction:: simgrid::s4u::this_actor::yield()
720 .. group-tab:: Python
722 .. autofunction:: simgrid.this_actor.suspend
723 .. autofunction:: simgrid.this_actor.yield_
727 .. doxygenfunction:: sg_actor_yield()
736 Please refer to :ref:`the relevant documentation <logging_prog>`.
738 .. group-tab:: Python
740 .. autofunction:: simgrid.this_actor.debug
741 .. autofunction:: simgrid.this_actor.info
742 .. autofunction:: simgrid.this_actor.warning
743 .. autofunction:: simgrid.this_actor.error
752 .. doxygenfunction:: simgrid::s4u::this_actor::sleep_for(double duration)
753 .. doxygenfunction:: simgrid::s4u::this_actor::sleep_for(std::chrono::duration< Rep, Period > duration)
754 .. doxygenfunction:: simgrid::s4u::this_actor::sleep_until(const SimulationTimePoint< Duration > &wakeup_time)
755 .. doxygenfunction:: simgrid::s4u::this_actor::sleep_until(double wakeup_time)
757 .. group-tab:: Python
759 .. autofunction:: simgrid.this_actor.sleep_for
760 .. autofunction:: simgrid.this_actor.sleep_until
764 .. doxygenfunction:: sg_actor_sleep_for(double duration)
766 Simulating executions
767 ---------------------
769 Simulate the execution of some code on this actor. You can either simulate
770 parallel or sequential code and you can either block upon the termination of
771 the execution, or start an asynchronous activity.
777 .. doxygenfunction:: simgrid::s4u::this_actor::exec_async
778 .. doxygenfunction:: simgrid::s4u::this_actor::exec_init(const std::vector< s4u::Host * > &hosts, const std::vector< double > &flops_amounts, const std::vector< double > &bytes_amounts)
779 .. doxygenfunction:: simgrid::s4u::this_actor::exec_init(double flops_amounts)
780 .. doxygenfunction:: simgrid::s4u::this_actor::execute(double flop)
781 .. doxygenfunction:: simgrid::s4u::this_actor::execute(double flop, double priority)
782 .. doxygenfunction:: simgrid::s4u::this_actor::parallel_execute(const std::vector< s4u::Host * > &hosts, const std::vector< double > &flops_amounts, const std::vector< double > &bytes_amounts)
783 .. doxygenfunction:: simgrid::s4u::this_actor::thread_execute
785 .. group-tab:: Python
787 .. autofunction:: simgrid.this_actor.exec_async
788 .. autofunction:: simgrid.this_actor.exec_init
789 .. autofunction:: simgrid.this_actor.execute
793 .. doxygenfunction:: sg_actor_execute(double flops)
794 .. doxygenfunction:: sg_actor_execute_with_priority(double flops, double priority)
795 .. doxygenfunction:: sg_actor_exec_init(double computation_amount)
796 .. doxygenfunction:: sg_actor_exec_async(double computation_amount)
797 .. doxygenfunction:: sg_actor_parallel_exec_init(int host_nb, const sg_host_t* host_list, double* flops_amount, double* bytes_amount);
806 .. doxygenfunction:: simgrid::s4u::this_actor::exit()
807 .. doxygenfunction:: simgrid::s4u::this_actor::on_exit(const std::function< void(bool)> &fun)
809 .. group-tab:: Python
811 .. autofunction:: simgrid.this_actor.exit
812 .. autofunction:: simgrid.this_actor.on_exit
816 See also :cpp:func:`sg_actor_on_exit`.
818 .. doxygenfunction:: sg_actor_exit
830 .. doxygenclass:: simgrid::s4u::Engine
832 .. group-tab:: Python
834 .. autoclass:: simgrid.Engine
843 .. doxygenfunction:: simgrid::s4u::Engine::Engine(int *argc, char **argv)
844 .. doxygenfunction:: simgrid::s4u::Engine::is_initialized()
845 .. doxygenfunction:: simgrid::s4u::Engine::shutdown()
846 .. doxygenfunction:: simgrid::s4u::Engine::get_instance()
848 .. group-tab:: Python
850 .. automethod:: simgrid.Engine.__init__
851 .. autoattribute:: simgrid.Engine.instance
855 .. doxygenfunction:: simgrid_init
864 .. doxygenfunction:: simgrid::s4u::Engine::set_config(const std::string &str)
865 .. doxygenfunction:: simgrid::s4u::Engine::set_config(const std::string &name, bool value)
866 .. doxygenfunction:: simgrid::s4u::Engine::set_config(const std::string &name, double value)
867 .. doxygenfunction:: simgrid::s4u::Engine::set_config(const std::string &name, int value)
868 .. doxygenfunction:: simgrid::s4u::Engine::set_config(const std::string &name, const std::string &value)
870 .. doxygenfunction:: simgrid::s4u::Engine::load_deployment
871 .. doxygenfunction:: simgrid::s4u::Engine::load_platform
872 .. doxygenfunction:: simgrid::s4u::Engine::flatify_platform
873 .. doxygenfunction:: simgrid::s4u::Engine::register_actor(const std::string &name)
874 .. doxygenfunction:: simgrid::s4u::Engine::register_actor(const std::string &name, F code)
875 .. doxygenfunction:: simgrid::s4u::Engine::register_default(const std::function< void(int, char **)> &code)
876 .. doxygenfunction:: simgrid::s4u::Engine::register_default(const kernel::actor::ActorCodeFactory &factory)
878 .. doxygenfunction:: simgrid::s4u::Engine::register_function(const std::string &name, const std::function< void(int, char **)> &code)
879 .. doxygenfunction:: simgrid::s4u::Engine::register_function(const std::string &name, const std::function< void(std::vector< std::string >)> &code)
880 .. doxygenfunction:: simgrid::s4u::Engine::register_function(const std::string &name, const kernel::actor::ActorCodeFactory &factory)
882 .. group-tab:: Python
884 .. automethod:: simgrid.Engine.load_deployment
885 .. automethod:: simgrid.Engine.load_platform
886 .. automethod:: simgrid.Engine.register_actor
890 .. doxygenfunction:: simgrid_load_deployment
891 .. doxygenfunction:: simgrid_load_platform
892 .. doxygenfunction:: simgrid_register_default
893 .. doxygenfunction:: simgrid_register_function
903 .. doxygenfunction:: simgrid::s4u::Engine::get_clock()
904 .. doxygenfunction:: simgrid::s4u::Engine::run
905 .. doxygenfunction:: simgrid::s4u::Engine::run_until
907 .. group-tab:: Python
909 .. autoattribute:: simgrid.Engine.clock
910 .. automethod:: simgrid.Engine.run
911 .. automethod:: simgrid.Engine.run_until
915 .. doxygenfunction:: simgrid_get_clock
916 .. doxygenfunction:: simgrid_run
917 .. doxygenfunction:: simgrid_run_until
926 .. doxygenfunction:: simgrid::s4u::Engine::get_actor_count
927 .. doxygenfunction:: simgrid::s4u::Engine::get_all_actors
928 .. doxygenfunction:: simgrid::s4u::Engine::get_filtered_actors
932 .. doxygenfunction:: sg_actor_count()
941 .. doxygenfunction:: simgrid::s4u::Engine::get_all_hosts
942 .. doxygenfunction:: simgrid::s4u::Engine::get_host_count
943 .. doxygenfunction:: simgrid::s4u::Engine::get_filtered_hosts
944 .. doxygenfunction:: simgrid::s4u::Engine::host_by_name
945 .. doxygenfunction:: simgrid::s4u::Engine::host_by_name_or_null
947 .. group-tab:: Python
949 .. autoattribute:: simgrid.Engine.all_hosts
950 .. automethod:: simgrid.Engine.host_by_name
954 See also :cpp:func:`sg_host_list` and :cpp:func:`sg_host_count`.
963 .. doxygenfunction:: simgrid::s4u::Engine::get_all_links
964 .. doxygenfunction:: simgrid::s4u::Engine::get_link_count
965 .. doxygenfunction:: simgrid::s4u::Engine::get_filtered_links
966 .. doxygenfunction:: simgrid::s4u::Engine::link_by_name
967 .. doxygenfunction:: simgrid::s4u::Engine::link_by_name_or_null
969 .. group-tab:: Python
971 .. autoattribute:: simgrid.Engine.all_links
973 Interacting with the routing
974 ----------------------------
980 .. doxygenfunction:: simgrid::s4u::Engine::get_all_netpoints
981 .. doxygenfunction:: simgrid::s4u::Engine::get_filtered_netzones
982 .. doxygenfunction:: simgrid::s4u::Engine::get_netzone_root
983 .. doxygenfunction:: simgrid::s4u::Engine::netpoint_by_name_or_null
984 .. doxygenfunction:: simgrid::s4u::Engine::netzone_by_name_or_null
986 .. group-tab:: Python
988 .. autoattribute:: simgrid.Engine.all_netpoints
989 .. autoattribute:: simgrid.Engine.netzone_root
990 .. automethod:: simgrid.Engine.netpoint_by_name
991 .. automethod:: simgrid.Engine.netzone_by_name
1000 .. doxygenfunction:: simgrid::s4u::Engine::on_deadlock_cb
1001 .. doxygenfunction:: simgrid::s4u::Engine::on_platform_created_cb
1002 .. doxygenfunction:: simgrid::s4u::Engine::on_platform_creation_cb
1003 .. doxygenfunction:: simgrid::s4u::Engine::on_simulation_start_cb
1004 .. doxygenfunction:: simgrid::s4u::Engine::on_simulation_end_cb
1005 .. doxygenfunction:: simgrid::s4u::Engine::on_time_advance_cb
1007 .. _API_s4u_Mailbox:
1017 .. doxygenclass:: simgrid::s4u::Mailbox
1019 .. group-tab:: Python
1021 .. autoclass:: simgrid.Mailbox
1023 Please also refer to the :ref:`full doc on s4u::Mailbox <s4u_mailbox>`.
1034 #include <simgrid/s4u/Mailbox.hpp>
1036 Note that there is no MailboxPtr type and that you cannot use the RAII
1037 idiom on mailboxes because they are internal objects to the simulation
1038 engine. Once created, there is no way to destroy a mailbox before the end
1041 .. doxygenfunction:: simgrid::s4u::Mailbox::by_name(const std::string &name)
1043 .. group-tab:: Python
1047 #include <simgrid/mailbox.h>
1049 .. automethod:: simgrid.Mailbox.by_name
1055 #include <simgrid/s4u/mailbox.h>
1057 .. doxygentypedef:: sg_mailbox_t
1058 .. doxygentypedef:: const_sg_mailbox_t
1060 .. doxygenfunction:: sg_mailbox_by_name(const char *alias)
1069 .. doxygenfunction:: simgrid::s4u::Mailbox::get_cname
1070 .. doxygenfunction:: simgrid::s4u::Mailbox::get_name
1072 .. group-tab:: Python
1074 .. autoattribute:: simgrid.Mailbox.name
1083 .. doxygenfunction:: simgrid::s4u::Mailbox::put(void *payload, uint64_t simulated_size_in_bytes)
1084 .. doxygenfunction:: simgrid::s4u::Mailbox::put(void *payload, uint64_t simulated_size_in_bytes, double timeout)
1085 .. doxygenfunction:: simgrid::s4u::Mailbox::put_async(void *data, uint64_t simulated_size_in_bytes)
1086 .. doxygenfunction:: simgrid::s4u::Mailbox::put_init()
1087 .. doxygenfunction:: simgrid::s4u::Mailbox::put_init(void *data, uint64_t simulated_size_in_bytes)
1089 .. group-tab:: Python
1091 .. automethod:: simgrid.Mailbox.put
1092 .. automethod:: simgrid.Mailbox.put_async
1093 .. automethod:: simgrid.Mailbox.put_init
1097 .. doxygenfunction:: sg_mailbox_put(sg_mailbox_t mailbox, void *payload, long simulated_size_in_bytes)
1098 .. doxygenfunction:: sg_mailbox_put_init(sg_mailbox_t mailbox, void *payload, long simulated_size_in_bytes)
1099 .. doxygenfunction:: sg_mailbox_put_async(sg_mailbox_t mailbox, void *payload, long simulated_size_in_bytes)
1109 .. doxygenfunction:: simgrid::s4u::Mailbox::empty
1110 .. doxygenfunction:: simgrid::s4u::Mailbox::front
1111 .. doxygenfunction:: simgrid::s4u::Mailbox::get()
1112 .. doxygenfunction:: simgrid::s4u::Mailbox::get(double timeout)
1113 .. doxygenfunction:: simgrid::s4u::Mailbox::get_async(T **data)
1114 .. doxygenfunction:: simgrid::s4u::Mailbox::get_init()
1115 .. doxygenfunction:: simgrid::s4u::Mailbox::iprobe(int type, const std::function<bool(void *, void *, kernel::activity::CommImpl *)>& match_fun, void *data)
1116 .. doxygenfunction:: simgrid::s4u::Mailbox::listen
1117 .. doxygenfunction:: simgrid::s4u::Mailbox::ready
1119 .. group-tab:: Python
1121 .. automethod:: simgrid.Mailbox.get
1122 .. automethod:: simgrid.Mailbox.get_async
1123 .. autoattribute:: simgrid.Mailbox.ready
1127 .. doxygenfunction:: sg_mailbox_get(sg_mailbox_t mailbox)
1128 .. doxygenfunction:: sg_mailbox_get_async(sg_mailbox_t mailbox, void **data)
1129 .. doxygenfunction:: sg_mailbox_get_name(const_sg_mailbox_t mailbox)
1130 .. doxygenfunction:: sg_mailbox_listen(const char *alias)
1135 See :ref:`s4u_receiving_actor`.
1141 .. doxygenfunction:: simgrid::s4u::Mailbox::get_receiver
1142 .. doxygenfunction:: simgrid::s4u::Mailbox::set_receiver(ActorPtr actor)
1146 .. doxygenfunction:: sg_mailbox_set_receiver(const char *alias)
1148 .. _API_s4u_Resource:
1164 .. doxygenclass:: simgrid::s4u::Disk
1166 .. group-tab:: Python
1168 .. autoclass:: simgrid.Disk
1172 .. doxygentypedef:: sg_disk_t
1173 .. doxygentypedef:: const_sg_disk_t
1184 #include <simgrid/s4u/Disk.hpp>
1186 Note that there is no DiskPtr type and that you cannot use the RAII
1187 idiom on disks because SimGrid does not allow (yet) to create nor
1188 destroy resources once the simulation is started.
1190 .. doxygenfunction:: simgrid::s4u::Disk::seal()
1192 .. group-tab:: Python
1196 from simgrid import Disk
1198 .. automethod:: simgrid.Disk.seal
1208 .. doxygenfunction:: simgrid::s4u::Disk::get_cname() const
1209 .. doxygenfunction:: simgrid::s4u::Disk::get_host() const
1210 .. doxygenfunction:: simgrid::s4u::Disk::get_name() const
1211 .. doxygenfunction:: simgrid::s4u::Disk::get_properties() const
1212 .. doxygenfunction:: simgrid::s4u::Disk::get_property(const std::string &key) const
1213 .. doxygenfunction:: simgrid::s4u::Disk::get_read_bandwidth() const
1214 .. doxygenfunction:: simgrid::s4u::Disk::get_write_bandwidth() const
1215 .. doxygenfunction:: simgrid::s4u::Disk::set_property(const std::string &, const std::string &value)
1216 .. doxygenfunction:: simgrid::s4u::Disk::set_sharing_policy
1218 .. group-tab:: Python
1220 .. autoattribute:: simgrid.Disk.name
1221 .. automethod:: simgrid.Disk.set_sharing_policy
1230 .. doxygenfunction:: simgrid::s4u::Disk::io_init(sg_size_t size, s4u::Io::OpType type) const
1231 .. doxygenfunction:: simgrid::s4u::Disk::read(sg_size_t size) const
1232 .. doxygenfunction:: simgrid::s4u::Disk::read_async(sg_size_t size) const
1233 .. doxygenfunction:: simgrid::s4u::Disk::write(sg_size_t size) const
1234 .. doxygenfunction:: simgrid::s4u::Disk::write_async(sg_size_t size) const
1236 .. group-tab:: Python
1238 .. automethod:: simgrid.Disk.read
1239 .. automethod:: simgrid.Disk.read_async
1240 .. automethod:: simgrid.Disk.write
1241 .. automethod:: simgrid.Disk.write_async
1250 .. doxygenfunction:: simgrid::s4u::Disk::on_creation_cb
1251 .. doxygenfunction:: simgrid::s4u::Disk::on_destruction_cb
1252 .. doxygenfunction:: simgrid::s4u::Disk::on_this_destruction_cb
1253 .. doxygenfunction:: simgrid::s4u::Disk::on_onoff_cb
1254 .. doxygenfunction:: simgrid::s4u::Disk::on_this_onoff_cb
1267 .. doxygenclass:: simgrid::s4u::Host
1269 .. group-tab:: Python
1271 .. autoclass:: simgrid.Host
1282 #include <simgrid/s4u/Host.hpp>
1284 Note that there is no HostPtr type, and that you cannot use the RAII
1285 idiom on hosts because SimGrid does not allow (yet) to create nor
1286 destroy resources once the simulation is started.
1288 .. doxygenfunction:: simgrid::s4u::Host::destroy()
1289 .. doxygenfunction:: simgrid::s4u::Host::seal()
1291 .. group-tab:: Python
1295 from simgrid import Host
1297 .. automethod:: simgrid.Host.seal
1303 #include <simgrid/host.h>
1305 .. doxygentypedef:: sg_host_t
1306 .. cpp:type:: const s4u_Host* const_sg_host_t
1308 Pointer to a constant host object.
1317 See also :cpp:func:`simgrid::s4u::Engine::get_all_hosts`.
1319 .. doxygenfunction:: simgrid::s4u::Host::by_name(const std::string &name)
1320 .. doxygenfunction:: simgrid::s4u::Host::by_name_or_null(const std::string &name)
1321 .. doxygenfunction:: simgrid::s4u::Host::current()
1323 .. group-tab:: Python
1325 See also :py:attr:`simgrid.Engine.all_hosts`.
1327 .. automethod:: simgrid.Host.by_name
1328 .. automethod:: simgrid.Host.current
1332 .. doxygenfunction:: sg_host_by_name(const char *name)
1333 .. doxygenfunction:: sg_host_count()
1334 .. doxygenfunction:: sg_host_list()
1336 Modifying characteristics
1337 -------------------------
1343 .. doxygenfunction:: simgrid::s4u::Host::set_core_count(int core_count)
1344 .. doxygenfunction:: simgrid::s4u::Host::set_coordinates(const std::string& coords)
1345 .. doxygenfunction:: simgrid::s4u::Host::set_sharing_policy
1347 .. group-tab:: Python
1349 .. autoattribute:: simgrid.Host.core_count
1351 .. automethod:: simgrid.Host.set_coordinates
1352 .. automethod:: simgrid.Host.set_sharing_policy
1361 .. doxygenfunction:: simgrid::s4u::Host::get_cname() const
1362 .. doxygenfunction:: simgrid::s4u::Host::get_core_count() const
1363 .. doxygenfunction:: simgrid::s4u::Host::get_name() const
1364 .. doxygenfunction:: simgrid::s4u::Host::get_available_speed() const
1365 .. doxygenfunction:: simgrid::s4u::Host::get_load() const
1366 .. doxygenfunction:: simgrid::s4u::Host::get_speed() const
1368 .. group-tab:: Python
1370 .. autoattribute:: simgrid.Host.name
1371 .. autoattribute:: simgrid.Host.core_count
1372 .. autoattribute:: simgrid.Host.load
1373 .. autoattribute:: simgrid.Host.speed
1374 .. autoattribute:: simgrid.Host.available_speed
1378 .. doxygenfunction:: sg_host_core_count(const_sg_host_t host)
1379 .. doxygenfunction:: sg_host_get_name(const_sg_host_t host)
1380 .. doxygenfunction:: sg_host_get_load(const_sg_host_t host)
1381 .. doxygenfunction:: sg_host_get_speed(const_sg_host_t host)
1383 User data and properties
1384 ------------------------
1390 .. doxygenfunction:: simgrid::s4u::Host::get_properties() const
1391 .. doxygenfunction:: simgrid::s4u::Host::get_property(const std::string &key) const
1392 .. doxygenfunction:: simgrid::s4u::Host::set_properties(const std::unordered_map< std::string, std::string > &properties)
1393 .. doxygenfunction:: simgrid::s4u::Host::set_property(const std::string &key, const std::string &value)
1397 .. doxygenfunction:: sg_host_set_property_value(sg_host_t host, const char *name, const char *value)
1398 .. doxygenfunction:: sg_host_get_properties(const_sg_host_t host)
1399 .. doxygenfunction:: sg_host_get_property_value(const_sg_host_t host, const char *name)
1400 .. doxygenfunction:: sg_host_extension_create(void(*deleter)(void *))
1401 .. doxygenfunction:: sg_host_extension_get(const_sg_host_t host, size_t rank)
1403 Retrieving components
1404 ---------------------
1410 .. doxygenfunction:: simgrid::s4u::Host::add_disk(const Disk *disk)
1411 .. doxygenfunction:: simgrid::s4u::Host::get_actor_count() const
1412 .. doxygenfunction:: simgrid::s4u::Host::get_all_actors() const
1413 .. doxygenfunction:: simgrid::s4u::Host::get_disks() const
1414 .. doxygenfunction:: simgrid::s4u::Host::remove_disk(const std::string &disk_name)
1416 .. group-tab:: Python
1418 .. automethod:: simgrid.Host.get_disks
1422 .. doxygenfunction:: sg_host_get_actor_list(const_sg_host_t host, xbt_dynar_t whereto)
1431 .. doxygenfunction:: simgrid::s4u::Host::is_on() const
1432 .. doxygenfunction:: simgrid::s4u::Host::turn_off()
1433 .. doxygenfunction:: simgrid::s4u::Host::turn_on()
1437 .. doxygenfunction:: sg_host_is_on(const_sg_host_t host)
1438 .. doxygenfunction:: sg_host_turn_off(sg_host_t host)
1439 .. doxygenfunction:: sg_host_turn_on(sg_host_t host)
1441 .. _API_s4u_Host_dvfs:
1446 See also the :ref:`relevant examples <s4u_ex_dvfs>`.
1452 .. doxygenfunction:: simgrid::s4u::Host::get_pstate() const
1453 .. doxygenfunction:: simgrid::s4u::Host::get_pstate_count() const
1454 .. doxygenfunction:: simgrid::s4u::Host::get_pstate_speed(unsigned long pstate_index) const
1455 .. doxygenfunction:: simgrid::s4u::Host::set_pstate(unsigned long pstate_index)
1457 .. group-tab:: Python
1459 .. autoattribute:: simgrid.Host.pstate
1460 .. autoattribute:: simgrid.Host.pstate_count
1461 .. automethod:: simgrid.Host.pstate_speed
1465 .. doxygenfunction:: sg_host_get_available_speed(const_sg_host_t host)
1466 .. doxygenfunction:: sg_host_get_nb_pstates(const_sg_host_t host)
1467 .. doxygenfunction:: sg_host_get_pstate(const_sg_host_t host)
1468 .. doxygenfunction:: sg_host_get_pstate_speed(const_sg_host_t host, unsigned long pstate_index)
1469 .. doxygenfunction:: sg_host_set_pstate(sg_host_t host, unsigned long pstate)
1478 .. doxygenfunction:: simgrid::s4u::Host::set_speed_profile(kernel::profile::Profile *p)
1479 .. doxygenfunction:: simgrid::s4u::Host::set_state_profile(kernel::profile::Profile *p)
1481 .. group-tab:: Python
1483 .. automethod:: simgrid.Host.set_speed_profile
1484 .. automethod:: simgrid.Host.set_state_profile
1493 .. doxygenfunction:: simgrid::s4u::Host::exec_async
1494 .. doxygenfunction:: simgrid::s4u::Host::execute(double flops) const
1495 .. doxygenfunction:: simgrid::s4u::Host::execute(double flops, double priority) const
1497 Platform and routing
1498 --------------------
1500 You can also start direct communications between two arbitrary hosts
1501 using :cpp:func:`Comm::sendto() <simgrid::s4u::Comm::sendto()>`.
1507 .. doxygenfunction:: simgrid::s4u::Host::get_englobing_zone() const
1508 .. doxygenfunction:: simgrid::s4u::Host::get_netpoint() const
1509 .. doxygenfunction:: simgrid::s4u::Host::route_to(const Host *dest, std::vector< Link * > &links, double *latency) const
1510 .. doxygenfunction:: simgrid::s4u::Host::route_to(const Host *dest, std::vector< kernel::resource::StandardLinkImpl * > &links, double *latency) const
1511 .. doxygenfunction:: simgrid::s4u::Host::create_disk(const std::string& name, double read_bandwidth, double write_bandwidth)
1512 .. doxygenfunction:: simgrid::s4u::Host::create_disk(const std::string& name, const std::string& read_bandwidth, const std::string& write_bandwidth)
1514 .. group-tab:: Python
1516 .. autoattribute:: simgrid.Host.netpoint
1517 .. automethod:: simgrid.Host.create_disk
1519 .. automethod:: simgrid.Host.route_to
1523 .. doxygenfunction:: sg_host_get_route(const_sg_host_t from, const_sg_host_t to, xbt_dynar_t links)
1524 .. doxygenfunction:: sg_host_get_route_bandwidth(const_sg_host_t from, const_sg_host_t to)
1525 .. doxygenfunction:: sg_host_get_route_latency(const_sg_host_t from, const_sg_host_t to)
1526 .. doxygenfunction:: sg_host_sendto(sg_host_t from, sg_host_t to, double byte_amount)
1535 .. doxygenfunction:: simgrid::s4u::Host::on_creation_cb
1536 .. doxygenfunction:: simgrid::s4u::Host::on_destruction_cb
1537 .. doxygenfunction:: simgrid::s4u::Host::on_this_destruction_cb
1538 .. doxygenfunction:: simgrid::s4u::Host::on_speed_change_cb
1539 .. doxygenfunction:: simgrid::s4u::Host::on_this_speed_change_cb
1540 .. doxygenfunction:: simgrid::s4u::Host::on_onoff_cb
1541 .. doxygenfunction:: simgrid::s4u::Host::on_this_onoff_cb
1542 .. doxygenfunction:: simgrid::s4u::Host::on_exec_state_change_cb
1554 .. doxygenclass:: simgrid::s4u::Link
1555 .. doxygenclass:: simgrid::s4u::SplitDuplexLink
1556 .. doxygenclass:: simgrid::s4u::LinkInRoute
1559 .. group-tab:: Python
1561 .. autoclass:: simgrid.Link
1572 #include <simgrid/s4u/Link.hpp>
1574 Note that there is no LinkPtr type and that you cannot use the RAII
1575 idiom on hosts because SimGrid does not allow (yet) to create nor
1576 destroy resources once the simulation is started.
1578 .. doxygenfunction:: simgrid::s4u::Link::seal()
1580 .. group-tab:: Python
1584 from simgrid import Link
1586 .. automethod:: simgrid.Link.seal
1592 #include <simgrid/link.h>
1594 .. doxygentypedef:: sg_link_t
1595 .. cpp:type:: const s4u_Link* const_sg_link_t
1597 Pointer to a constant link object.
1606 See also :cpp:func:`simgrid::s4u::Engine::get_all_links`.
1608 .. doxygenfunction:: simgrid::s4u::Link::by_name(const std::string &name)
1609 .. doxygenfunction:: simgrid::s4u::Link::by_name_or_null(const std::string &name)
1611 .. group-tab:: Python
1613 See also :py:attr:`simgrid.Engine.all_links`.
1615 .. automethod:: simgrid.Link.by_name
1616 .. autoattribute:: simgrid.Link.name
1620 .. doxygenfunction:: sg_link_by_name(const char *name)
1621 .. doxygenfunction:: sg_link_count()
1622 .. doxygenfunction:: sg_link_list()
1631 .. doxygenfunction:: simgrid::s4u::Link::get_bandwidth() const
1632 .. doxygenfunction:: simgrid::s4u::Link::get_cname() const
1633 .. doxygenfunction:: simgrid::s4u::Link::get_latency() const
1634 .. doxygenfunction:: simgrid::s4u::Link::get_name() const
1635 .. doxygenfunction:: simgrid::s4u::Link::get_sharing_policy() const
1636 .. doxygenfunction:: simgrid::s4u::Link::get_concurrency_limit() const
1637 .. doxygenfunction:: simgrid::s4u::Link::get_usage() const
1638 .. doxygenfunction:: simgrid::s4u::Link::is_used() const
1640 .. group-tab:: Python
1642 .. autoattribute:: simgrid.Link.bandwidth
1643 .. autoattribute:: simgrid.Link.latency
1647 .. doxygenfunction:: sg_link_get_bandwidth(const_sg_link_t link)
1648 .. doxygenfunction:: sg_link_get_latency(const_sg_link_t link)
1649 .. doxygenfunction:: sg_link_get_name(const_sg_link_t link)
1650 .. doxygenfunction:: sg_link_is_shared(const_sg_link_t link)
1652 Modifying characteristics
1653 -------------------------
1659 .. doxygenfunction:: simgrid::s4u::Link::set_bandwidth(double value)
1660 .. doxygenfunction:: simgrid::s4u::Link::set_latency(double value)
1661 .. doxygenfunction:: simgrid::s4u::Link::set_latency(const std::string& value)
1662 .. doxygenfunction:: simgrid::s4u::Link::set_concurrency_limit(int limit)
1663 .. doxygenfunction:: simgrid::s4u::Link::set_sharing_policy
1665 .. group-tab:: Python
1667 .. automethod:: simgrid.Link.set_bandwidth
1668 .. automethod:: simgrid.Link.set_latency
1669 .. automethod:: simgrid.Link.set_concurrency_limit
1670 .. automethod:: simgrid.Link.set_sharing_policy
1674 .. doxygenfunction:: sg_link_set_bandwidth(sg_link_t link, double value)
1675 .. doxygenfunction:: sg_link_set_latency(sg_link_t link, double value)
1677 User data and properties
1678 ------------------------
1684 .. doxygenfunction:: simgrid::s4u::Link::get_property(const std::string &key) const
1685 .. doxygenfunction:: simgrid::s4u::Link::set_property(const std::string &key, const std::string &value)
1689 .. doxygenfunction:: sg_link_get_data(const_sg_link_t link)
1690 .. doxygenfunction:: sg_link_set_data(sg_link_t link, void *data)
1699 See also :cpp:func:`simgrid::s4u::Link::set_state_profile`.
1701 .. doxygenfunction:: simgrid::s4u::Link::is_on() const
1702 .. doxygenfunction:: simgrid::s4u::Link::turn_off()
1703 .. doxygenfunction:: simgrid::s4u::Link::turn_on()
1705 .. group-tab:: Python
1707 See also :py:func:`simgrid.Link.set_state_profile`.
1709 .. automethod:: simgrid.Link.is_on
1710 .. automethod:: simgrid.Link.turn_off
1711 .. automethod:: simgrid.Link.turn_on
1716 See :ref:`howto_churn` for more details.
1722 .. doxygenfunction:: simgrid::s4u::Link::set_bandwidth_profile(kernel::profile::Profile *profile)
1723 .. doxygenfunction:: simgrid::s4u::Link::set_latency_profile(kernel::profile::Profile *profile)
1724 .. doxygenfunction:: simgrid::s4u::Link::set_state_profile(kernel::profile::Profile *profile)
1726 .. group-tab:: Python
1728 .. automethod:: simgrid.Link.set_bandwidth_profile
1729 .. automethod:: simgrid.Link.set_latency_profile
1730 .. automethod:: simgrid.Link.set_state_profile
1739 .. doxygenfunction:: simgrid::s4u::Link::set_host_wifi_rate
1741 .. group-tab:: Python
1743 .. automethod:: simgrid.Link.set_host_wifi_rate
1752 .. doxygenfunction:: simgrid::s4u::Link::on_bandwidth_change_cb
1753 .. doxygenfunction:: simgrid::s4u::Link::on_this_bandwidth_change_cb
1754 .. doxygenfunction:: simgrid::s4u::Link::on_communication_state_change_cb
1755 .. doxygenfunction:: simgrid::s4u::Link::on_creation_cb
1756 .. doxygenfunction:: simgrid::s4u::Link::on_destruction_cb
1757 .. doxygenfunction:: simgrid::s4u::Link::on_this_destruction_cb
1758 .. doxygenfunction:: simgrid::s4u::Link::on_onoff_cb
1759 .. doxygenfunction:: simgrid::s4u::Link::on_this_onoff_cb
1761 .. _API_s4u_NetZone:
1771 .. doxygenclass:: simgrid::s4u::NetZone
1773 .. group-tab:: Python
1775 .. autoclass:: simgrid.NetZone
1786 #include <simgrid/s4u/NetZone.hpp>
1788 Note that there is no NetZonePtr type and that you cannot use the RAII
1789 idiom on network zones because SimGrid does not allow (yet) to create nor
1790 destroy resources once the simulation is started.
1792 .. doxygenfunction:: simgrid::s4u::NetZone::seal
1794 .. group-tab:: Python
1798 from simgrid import NetZone
1800 .. automethod:: simgrid.NetZone.seal
1806 #include <simgrid/zone.h>
1808 .. doxygentypedef:: sg_netzone_t
1809 .. cpp:type:: const s4u_NetZone* const_sg_netzone_t
1811 Pointer to a constant network zone object.
1820 See :cpp:func:`simgrid::s4u::Engine::get_netzone_root`,
1821 :cpp:func:`simgrid::s4u::Engine::netzone_by_name_or_null` and
1822 :cpp:func:`simgrid::s4u::Engine::get_filtered_netzones`.
1826 .. doxygenfunction:: sg_zone_get_by_name(const char *name)
1827 .. doxygenfunction:: sg_zone_get_root()
1836 .. doxygenfunction:: simgrid::s4u::NetZone::get_cname() const
1837 .. doxygenfunction:: simgrid::s4u::NetZone::get_name() const
1838 .. doxygenfunction:: simgrid::s4u::NetZone::get_netpoint()
1840 .. group-tab:: Python
1842 .. autoattribute:: simgrid.NetZone.name
1843 .. autoattribute:: simgrid.NetZone.netpoint
1847 .. doxygenfunction:: sg_zone_get_name(const_sg_netzone_t zone)
1849 User data and properties
1850 ------------------------
1856 .. doxygenfunction:: simgrid::s4u::NetZone::get_properties() const
1857 .. doxygenfunction:: simgrid::s4u::NetZone::get_property(const std::string &key) const
1858 .. doxygenfunction:: simgrid::s4u::NetZone::set_property(const std::string &key, const std::string &value)
1860 .. group-tab:: Python
1862 .. automethod:: simgrid.NetZone.set_property
1866 .. doxygenfunction:: sg_zone_get_property_value(const_sg_netzone_t as, const char *name)
1867 .. doxygenfunction:: sg_zone_set_property_value(sg_netzone_t netzone, const char *name, const char *value)
1869 Retrieving components
1870 ---------------------
1876 .. doxygenfunction:: simgrid::s4u::NetZone::get_all_hosts() const
1877 .. doxygenfunction:: simgrid::s4u::NetZone::get_host_count() const
1881 .. doxygenfunction:: sg_zone_get_hosts(const_sg_netzone_t zone, xbt_dynar_t whereto)
1890 .. doxygenfunction:: simgrid::s4u::NetZone::add_component(kernel::routing::NetPoint *elm)
1891 .. doxygenfunction:: simgrid::s4u::NetZone::add_route
1892 .. doxygenfunction:: simgrid::s4u::NetZone::add_bypass_route
1893 .. doxygenfunction:: simgrid::s4u::NetZone::get_children() const
1894 .. doxygenfunction:: simgrid::s4u::NetZone::get_parent() const
1895 .. doxygenfunction:: simgrid::s4u::NetZone::set_parent(const NetZone* parent)
1897 .. group-tab:: Python
1899 .. automethod:: simgrid.NetZone.add_route
1900 .. automethod:: simgrid.NetZone.set_parent
1904 .. doxygenfunction:: sg_zone_get_sons(const_sg_netzone_t zone, xbt_dict_t whereto)
1913 .. doxygenfunction:: simgrid::s4u::NetZone::on_creation_cb
1914 .. doxygenfunction:: simgrid::s4u::NetZone::on_seal_cb
1925 .. doxygenfunction:: simgrid::s4u::create_full_zone
1926 .. doxygenfunction:: simgrid::s4u::create_empty_zone
1927 .. doxygenfunction:: simgrid::s4u::create_star_zone
1928 .. doxygenfunction:: simgrid::s4u::create_dijkstra_zone
1929 .. doxygenfunction:: simgrid::s4u::create_floyd_zone
1930 .. doxygenfunction:: simgrid::s4u::create_vivaldi_zone
1931 .. doxygenfunction:: simgrid::s4u::create_wifi_zone
1932 .. doxygenfunction:: simgrid::s4u::create_torus_zone
1933 .. doxygenfunction:: simgrid::s4u::create_fatTree_zone
1934 .. doxygenfunction:: simgrid::s4u::create_dragonfly_zone
1936 .. group-tab:: Python
1938 .. automethod:: simgrid.NetZone.create_full_zone
1939 .. automethod:: simgrid.NetZone.create_empty_zone
1940 .. automethod:: simgrid.NetZone.create_star_zone
1941 .. automethod:: simgrid.NetZone.create_dijkstra_zone
1942 .. automethod:: simgrid.NetZone.create_floyd_zone
1943 .. automethod:: simgrid.NetZone.create_vivaldi_zone
1944 .. automethod:: simgrid.NetZone.create_wifi_zone
1945 .. automethod:: simgrid.NetZone.create_torus_zone
1946 .. automethod:: simgrid.NetZone.create_fatTree_zone
1947 .. automethod:: simgrid.NetZone.create_dragonfly_zone
1956 .. doxygenfunction:: simgrid::s4u::NetZone::create_host(const std::string& name, const std::vector<double>& speed_per_pstate)
1957 .. doxygenfunction:: simgrid::s4u::NetZone::create_host(const std::string& name, double speed)
1958 .. doxygenfunction:: simgrid::s4u::NetZone::create_host(const std::string& name, const std::vector<std::string>& speed_per_pstate)
1959 .. doxygenfunction:: simgrid::s4u::NetZone::create_host(const std::string& name, const std::string& speed)
1961 .. group-tab:: Python
1963 .. automethod:: simgrid.NetZone.create_host
1972 .. doxygenfunction:: simgrid::s4u::NetZone::create_link(const std::string& name, const std::vector<double>& bandwidths)
1973 .. doxygenfunction:: simgrid::s4u::NetZone::create_link(const std::string& name, double bandwidth)
1974 .. doxygenfunction:: simgrid::s4u::NetZone::create_link(const std::string& name, const std::vector<std::string>& bandwidthds)
1975 .. doxygenfunction:: simgrid::s4u::NetZone::create_link(const std::string& name, const std::string& bandwidth)
1976 .. doxygenfunction:: simgrid::s4u::NetZone::create_split_duplex_link(const std::string& name, const std::string& bandwidth)
1977 .. doxygenfunction:: simgrid::s4u::NetZone::create_split_duplex_link(const std::string& name, double bandwidth)
1979 .. group-tab:: Python
1981 .. automethod:: simgrid.NetZone.create_link
1982 .. automethod:: simgrid.NetZone.create_split_duplex_link
1991 .. doxygenfunction:: simgrid::s4u::NetZone::create_router(const std::string& name)
1993 .. group-tab:: Python
1995 .. automethod:: simgrid.NetZone.create_router
1997 .. _API_s4u_VirtualMachine:
1999 =======================
2000 class VirtualMachine
2001 =======================
2004 .. doxygenclass:: simgrid::s4u::VirtualMachine
2014 #include <simgrid/s4u/VirtualMachine.hpp>
2016 Note that there is no VirtualMachinePtr type, and that you cannot use the RAII
2017 idiom on virtual machines. There is no good reason for that and should change in the future.
2023 #include <simgrid/vm.h>
2025 .. doxygentypedef:: sg_vm_t
2026 .. cpp:type:: const s4u_VirtualMachine* const_sg_vm_t
2028 Pointer to a constant virtual machine object.
2037 .. doxygenfunction:: simgrid::s4u::Host::create_vm(const std::string &name, int core_amount)
2038 .. doxygenfunction:: simgrid::s4u::Host::create_vm(const std::string &name, int core_amount, size_t ramsize)
2039 .. doxygenfunction:: simgrid::s4u::VirtualMachine::destroy
2043 .. doxygenfunction:: sg_vm_create_core
2044 .. doxygenfunction:: sg_vm_create_multicore
2045 .. doxygenfunction:: sg_vm_destroy
2054 .. doxygenfunction:: simgrid::s4u::VirtualMachine::get_pm() const
2055 .. doxygenfunction:: simgrid::s4u::VirtualMachine::get_ramsize() const
2056 .. doxygenfunction:: simgrid::s4u::VirtualMachine::get_state() const
2058 .. doxygenfunction:: simgrid::s4u::VirtualMachine::set_bound(double bound)
2059 .. doxygenfunction:: simgrid::s4u::VirtualMachine::set_pm(Host *pm)
2060 .. doxygenfunction:: simgrid::s4u::VirtualMachine::set_ramsize(size_t ramsize)
2064 .. doxygenfunction:: sg_vm_get_ramsize(const_sg_vm_t vm)
2065 .. doxygenfunction:: sg_vm_set_bound(sg_vm_t vm, double bound)
2066 .. doxygenfunction:: sg_vm_set_ramsize(sg_vm_t vm, size_t size)
2068 .. doxygenfunction:: sg_vm_get_name
2069 .. doxygenfunction:: sg_vm_get_pm
2070 .. doxygenfunction:: sg_vm_is_created
2071 .. doxygenfunction:: sg_vm_is_running
2072 .. doxygenfunction:: sg_vm_is_suspended
2081 .. doxygenfunction:: simgrid::s4u::VirtualMachine::resume()
2082 .. doxygenfunction:: simgrid::s4u::VirtualMachine::shutdown()
2083 .. doxygenfunction:: simgrid::s4u::VirtualMachine::start()
2084 .. doxygenfunction:: simgrid::s4u::VirtualMachine::suspend()
2088 .. doxygenfunction:: sg_vm_start
2089 .. doxygenfunction:: sg_vm_suspend
2090 .. doxygenfunction:: sg_vm_resume
2091 .. doxygenfunction:: sg_vm_shutdown
2100 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_creation_cb
2101 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_destruction_cb
2102 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_this_destruction_cb
2103 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_migration_end_cb
2104 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_this_migration_end_cb
2105 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_migration_start_cb
2106 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_this_migration_start_cb
2107 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_resume_cb
2108 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_this_resume_cb
2109 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_shutdown_cb
2110 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_this_shutdown_cb
2111 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_start_cb
2112 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_this_start_cb
2113 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_started_cb
2114 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_this_started_cb
2115 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_suspend_cb
2116 .. doxygenfunction:: simgrid::s4u::VirtualMachine::on_this_suspend_cb
2118 .. _API_s4u_Activity:
2128 .. doxygenclass:: simgrid::s4u::Activity
2130 **Known subclasses:**
2131 :ref:`Communications <API_s4u_Comm>` (started on Mailboxes and consuming links),
2132 :ref:`Executions <API_s4u_Exec>` (started on Host and consuming CPU resources)
2133 :ref:`I/O <API_s4u_Io>` (started on and consuming disks).
2134 See also the :ref:`section on activities <s4u_Activities>` above.
2145 #include <simgrid/s4u/Activity.hpp>
2147 .. doxygentypedef:: ActivityPtr
2156 .. doxygenfunction:: simgrid::s4u::Activity::get_cname() const
2157 .. doxygenfunction:: simgrid::s4u::Activity::get_name() const
2158 .. doxygenfunction:: simgrid::s4u::Activity::get_remaining() const
2159 .. doxygenfunction:: simgrid::s4u::Activity::get_state() const
2160 .. doxygenfunction:: simgrid::s4u::Activity::set_remaining(double remains)
2161 .. doxygenfunction:: simgrid::s4u::Activity::set_state(Activity::State state)
2164 Activities life cycle
2165 ---------------------
2171 .. doxygenfunction:: simgrid::s4u::Activity::start
2172 .. doxygenfunction:: simgrid::s4u::Activity::cancel
2173 .. doxygenfunction:: simgrid::s4u::Activity::test
2174 .. doxygenfunction:: simgrid::s4u::Activity::wait
2175 .. doxygenfunction:: simgrid::s4u::Activity::wait_for
2176 .. doxygenfunction:: simgrid::s4u::Activity::wait_until(double time_limit)
2177 .. doxygenfunction:: simgrid::s4u::Activity::vetoable_start()
2179 Suspending and resuming an activity
2180 -----------------------------------
2186 .. doxygenfunction:: simgrid::s4u::Activity::suspend
2187 .. doxygenfunction:: simgrid::s4u::Activity::resume
2188 .. doxygenfunction:: simgrid::s4u::Activity::is_suspended
2200 .. doxygenclass:: simgrid::s4u::Comm
2202 .. group-tab:: Python
2204 .. autoclass:: simgrid.Comm
2215 #include <simgrid/s4u/Comm.hpp>
2217 .. doxygentypedef:: CommPtr
2219 .. group-tab:: Python
2223 from simgrid import Comm
2229 #include <simgrid/comm.h>
2231 .. doxygentypedef:: sg_comm_t
2240 .. doxygenfunction:: simgrid::s4u::Comm::get_dst_data_size() const
2241 .. doxygenfunction:: simgrid::s4u::Comm::get_mailbox() const
2242 .. doxygenfunction:: simgrid::s4u::Comm::get_sender() const
2243 .. doxygenfunction:: simgrid::s4u::Comm::set_dst_data(void **buff)
2244 .. doxygenfunction:: simgrid::s4u::Comm::set_dst_data(void **buff, size_t size)
2245 .. doxygenfunction:: simgrid::s4u::Comm::detach()
2246 .. doxygenfunction:: simgrid::s4u::Comm::detach(const std::function<void(void*)>& clean_function)
2247 .. doxygenfunction:: simgrid::s4u::Comm::set_payload_size(uint64_t bytes)
2248 .. doxygenfunction:: simgrid::s4u::Comm::set_rate(double rate)
2249 .. doxygenfunction:: simgrid::s4u::Comm::set_src_data(void *buff)
2250 .. doxygenfunction:: simgrid::s4u::Comm::set_src_data(void *buff, size_t size)
2251 .. doxygenfunction:: simgrid::s4u::Comm::set_src_data_size(size_t size)
2253 .. group-tab:: Python
2255 .. autoattribute:: simgrid.Comm.dst_data_size
2256 .. autoattribute:: simgrid.Comm.mailbox
2257 .. autoattribute:: simgrid.Comm.sender
2258 .. autoattribute:: simgrid.Comm.state_str
2259 .. automethod:: simgrid.Comm.detach
2260 .. automethod:: simgrid.Comm.set_payload_size
2261 .. automethod:: simgrid.Comm.set_rate
2263 Direct host-to-host communication
2264 ---------------------------------
2266 Most communications are created using :ref:`s4u_mailbox`, but you can
2267 also start direct communications as shown below. See also the
2268 :ref:`relevant examples <s4u_ex_comm_host2host>`.
2274 .. doxygenfunction:: simgrid::s4u::Comm::sendto
2275 .. doxygenfunction:: simgrid::s4u::Comm::sendto_init()
2276 .. doxygenfunction:: simgrid::s4u::Comm::sendto_init(Host *from, Host *to)
2277 .. doxygenfunction:: simgrid::s4u::Comm::sendto_async
2279 .. group-tab:: Python
2281 .. automethod:: simgrid.Comm.sendto
2282 .. automethod:: simgrid.Comm.sendto_init
2283 .. automethod:: simgrid.Comm.sendto_async
2292 .. doxygenfunction:: simgrid::s4u::Comm::cancel
2293 .. doxygenfunction:: simgrid::s4u::Comm::start
2294 .. doxygenfunction:: simgrid::s4u::Comm::test
2295 .. doxygenfunction:: simgrid::s4u::Comm::test_any(const std::vector< CommPtr >& comms)
2296 .. doxygenfunction:: simgrid::s4u::Comm::wait
2297 .. doxygenfunction:: simgrid::s4u::Comm::wait_all(const std::vector< CommPtr >& comms)
2298 .. doxygenfunction:: simgrid::s4u::Comm::wait_all_for(const std::vector< CommPtr >& comms, double timeout)
2299 .. doxygenfunction:: simgrid::s4u::Comm::wait_any(const std::vector< CommPtr >& comms)
2300 .. doxygenfunction:: simgrid::s4u::Comm::wait_any_for(const std::vector< CommPtr >& comms, double timeout)
2301 .. doxygenfunction:: simgrid::s4u::Comm::wait_for
2302 .. doxygenfunction:: simgrid::s4u::Comm::wait_until
2304 .. group-tab:: Python
2306 .. automethod:: simgrid.Comm.cancel
2307 .. automethod:: simgrid.Comm.start
2308 .. automethod:: simgrid.Comm.test
2309 .. automethod:: simgrid.Comm.test_any
2310 .. automethod:: simgrid.Comm.wait
2311 .. automethod:: simgrid.Comm.wait_for
2312 .. automethod:: simgrid.Comm.wait_all
2313 .. automethod:: simgrid.Comm.wait_all_for
2314 .. automethod:: simgrid.Comm.wait_any
2315 .. automethod:: simgrid.Comm.wait_any_for
2316 .. automethod:: simgrid.Comm.wait_until
2320 .. doxygenfunction:: sg_comm_test
2321 .. doxygenfunction:: sg_comm_wait
2322 .. doxygenfunction:: sg_comm_wait_all
2323 .. doxygenfunction:: sg_comm_wait_any
2325 Suspending and resuming a communication
2326 ---------------------------------------
2332 .. doxygenfunction:: simgrid::s4u::Comm::suspend
2333 .. doxygenfunction:: simgrid::s4u::Comm::resume
2334 .. doxygenfunction:: simgrid::s4u::Comm::is_suspended
2336 .. group-tab:: Python
2338 .. automethod:: simgrid.Comm.suspend
2339 .. automethod:: simgrid.Comm.resume
2340 .. autoattribute:: simgrid.Comm.is_suspended
2349 .. doxygenfunction:: simgrid::s4u::Comm::on_start_cb
2350 .. doxygenfunction:: simgrid::s4u::Comm::on_this_start_cb
2351 .. doxygenfunction:: simgrid::s4u::Comm::on_completion_cb
2352 .. doxygenfunction:: simgrid::s4u::Comm::on_this_completion_cb
2353 .. doxygenfunction:: simgrid::s4u::Comm::on_recv_cb
2354 .. doxygenfunction:: simgrid::s4u::Comm::on_send_cb
2355 .. doxygenfunction:: simgrid::s4u::Comm::on_suspended_cb
2356 .. doxygenfunction:: simgrid::s4u::Comm::on_resumed_cb
2357 .. doxygenfunction:: simgrid::s4u::Comm::on_veto_cb
2369 .. doxygenclass:: simgrid::s4u::Exec
2371 .. group-tab:: Python
2373 .. autoclass:: simgrid.Exec
2384 #include <simgrid/s4u/Exec.hpp>
2386 .. doxygentypedef:: ExecPtr
2388 .. group-tab:: Python
2392 from simgrid import Exec
2398 #include <simgrid/exec.h>
2400 .. doxygentypedef:: sg_exec_t
2401 .. doxygentypedef:: const_sg_exec_t
2410 .. doxygenfunction:: simgrid::s4u::Exec::get_cost() const
2411 .. doxygenfunction:: simgrid::s4u::Exec::get_finish_time() const
2412 .. doxygenfunction:: simgrid::s4u::Exec::get_host() const
2413 .. doxygenfunction:: simgrid::s4u::Exec::get_host_number() const
2414 .. doxygenfunction:: simgrid::s4u::Exec::get_remaining
2415 .. doxygenfunction:: simgrid::s4u::Exec::get_remaining_ratio
2416 .. doxygenfunction:: simgrid::s4u::Exec::get_start_time() const
2417 .. doxygenfunction:: simgrid::s4u::Exec::set_bound(double bound)
2418 .. doxygenfunction:: simgrid::s4u::Exec::set_host
2419 .. doxygenfunction:: simgrid::s4u::Exec::set_priority(double priority)
2421 .. group-tab:: Python
2423 .. autoattribute:: simgrid.Exec.host
2424 .. autoattribute:: simgrid.Exec.remaining
2425 .. autoattribute:: simgrid.Exec.remaining_ratio
2429 .. doxygenfunction:: sg_exec_set_bound(sg_exec_t exec, double bound)
2430 .. doxygenfunction:: sg_exec_get_name(const_sg_exec_t exec)
2431 .. doxygenfunction:: sg_exec_set_name(sg_exec_t exec, const char* name)
2432 .. doxygenfunction:: sg_exec_set_host(sg_exec_t exec, sg_host_t new_host)
2433 .. doxygenfunction:: sg_exec_get_remaining(const_sg_exec_t exec)
2434 .. doxygenfunction:: sg_exec_get_remaining_ratio(const_sg_exec_t exec)
2443 .. doxygenfunction:: simgrid::s4u::Exec::cancel
2444 .. doxygenfunction:: simgrid::s4u::Exec::start
2445 .. doxygenfunction:: simgrid::s4u::Exec::test
2446 .. doxygenfunction:: simgrid::s4u::Exec::wait
2447 .. doxygenfunction:: simgrid::s4u::Exec::wait_any(const std::vector< ExecPtr >& execs)
2448 .. doxygenfunction:: simgrid::s4u::Exec::wait_any_for(const std::vector< ExecPtr >& execs, double timeout)
2449 .. doxygenfunction:: simgrid::s4u::Exec::wait_for
2451 .. group-tab:: Python
2453 .. automethod:: simgrid.Exec.cancel
2454 .. automethod:: simgrid.Exec.start
2455 .. automethod:: simgrid.Exec.test
2456 .. automethod:: simgrid.Exec.wait
2460 .. doxygenfunction:: sg_exec_start(sg_exec_t exec)
2461 .. doxygenfunction:: sg_exec_cancel(sg_exec_t exec);
2462 .. doxygenfunction:: sg_exec_test(sg_exec_t exec);
2463 .. doxygenfunction:: sg_exec_wait(sg_exec_t exec);
2464 .. doxygenfunction:: sg_exec_wait_for(sg_exec_t exec, double timeout);
2465 .. doxygenfunction:: sg_exec_wait_any_for(sg_exec_t* execs, size_t count, double timeout);
2466 .. doxygenfunction:: sg_exec_wait_any(sg_exec_t* execs, size_t count);
2468 Suspending and resuming an execution
2469 ------------------------------------
2475 .. doxygenfunction:: simgrid::s4u::Exec::suspend
2476 .. doxygenfunction:: simgrid::s4u::Exec::resume
2477 .. doxygenfunction:: simgrid::s4u::Exec::is_suspended
2479 .. group-tab:: Python
2481 .. automethod:: simgrid.Exec.suspend
2482 .. automethod:: simgrid.Exec.resume
2483 .. autoattribute:: simgrid.Exec.is_suspended
2492 .. doxygenfunction:: simgrid::s4u::Exec::on_start_cb
2493 .. doxygenfunction:: simgrid::s4u::Exec::on_this_start_cb
2494 .. doxygenfunction:: simgrid::s4u::Exec::on_completion_cb
2495 .. doxygenfunction:: simgrid::s4u::Exec::on_this_completion_cb
2497 .. doxygenfunction:: simgrid::s4u::Exec::on_suspended_cb
2498 .. doxygenfunction:: simgrid::s4u::Exec::on_resumed_cb
2499 .. doxygenfunction:: simgrid::s4u::Exec::on_veto_cb
2511 .. doxygenclass:: simgrid::s4u::Io
2513 .. group-tab:: Python
2515 .. autoclass:: simgrid.Io
2526 #include <simgrid/s4u/Io.hpp>
2528 .. doxygentypedef:: IoPtr
2537 .. doxygenfunction:: simgrid::s4u::Io::get_performed_ioops() const
2538 .. doxygenfunction:: simgrid::s4u::Io::get_remaining
2547 .. doxygenfunction:: simgrid::s4u::Io::cancel
2548 .. doxygenfunction:: simgrid::s4u::Io::start
2549 .. doxygenfunction:: simgrid::s4u::Io::test
2550 .. doxygenfunction:: simgrid::s4u::Io::wait
2551 .. doxygenfunction:: simgrid::s4u::Io::wait_for
2552 .. doxygenfunction:: simgrid::s4u::Io::wait_any(const std::vector<IoPtr> &ios)
2553 .. doxygenfunction:: simgrid::s4u::Io::wait_any_for(const std::vector<IoPtr> &ios, double timeout)
2555 .. group-tab:: Python
2557 .. automethod:: simgrid.Io.test
2558 .. automethod:: simgrid.Io.wait
2559 .. automethod:: simgrid.Io.wait_any_for
2560 .. automethod:: simgrid.Io.wait_any
2569 .. doxygenfunction:: simgrid::s4u::Io::on_start_cb
2570 .. doxygenfunction:: simgrid::s4u::Io::on_this_start_cb
2571 .. doxygenfunction:: simgrid::s4u::Io::on_completion_cb
2572 .. doxygenfunction:: simgrid::s4u::Io::on_this_completion_cb
2574 .. doxygenfunction:: simgrid::s4u::Io::on_suspended_cb
2575 .. doxygenfunction:: simgrid::s4u::Io::on_resumed_cb
2576 .. doxygenfunction:: simgrid::s4u::Io::on_veto_cb
2589 .. doxygenclass:: simgrid::s4u::Task
2591 **Known subclasses:**
2592 :ref:`Communication Tasks <API_s4u_CommTask>`,
2593 :ref:`Executions Tasks <API_s4u_ExecTask>`,
2594 :ref:`I/O Tasks <API_s4u_IoTask>`.
2595 See also the :ref:`section on activities <s4u_Tasks>` above.
2606 #include <simgrid/s4u/Task.hpp>
2608 .. doxygentypedef:: TaskPtr
2617 .. doxygenfunction:: simgrid::s4u::Task::get_cname() const
2618 .. doxygenfunction:: simgrid::s4u::Task::get_name() const
2619 .. doxygenfunction:: simgrid::s4u::Task::get_count() const
2620 .. doxygenfunction:: simgrid::s4u::Task::get_amount() const
2621 .. doxygenfunction:: simgrid::s4u::Task::get_parallelism_degree() const
2622 .. doxygenfunction:: simgrid::s4u::Task::set_name(std::string name)
2623 .. doxygenfunction:: simgrid::s4u::Task::set_amount(double amount)
2624 .. doxygenfunction:: simgrid::s4u::Task::set_parallelism_degree(int n)
2632 .. doxygenfunction:: simgrid::s4u::Task::enqueue_firings(int n)
2634 Managing Dependencies
2635 ---------------------
2639 .. doxygenfunction:: simgrid::s4u::Task::add_successor(TaskPtr t)
2640 .. doxygenfunction:: simgrid::s4u::Task::remove_successor(TaskPtr t)
2641 .. doxygenfunction:: simgrid::s4u::Task::remove_all_successors()
2642 .. doxygenfunction:: simgrid::s4u::Task::get_successors() const
2646 .. doxygenclass:: simgrid::s4u::Token
2651 .. doxygenfunction:: simgrid::s4u::Task::get_next_token_from(TaskPtr t)
2652 .. doxygenfunction:: simgrid::s4u::Task::set_token(std::shared_ptr<Token> token)
2660 .. doxygenfunction:: simgrid::s4u::Task::on_start_cb
2661 .. doxygenfunction:: simgrid::s4u::Task::on_this_start_cb
2662 .. doxygenfunction:: simgrid::s4u::Task::on_completion_cb
2663 .. doxygenfunction:: simgrid::s4u::Task::on_this_completion_cb
2665 .. _API_s4u_CommTask:
2674 .. doxygenclass:: simgrid::s4u::CommTask
2685 #include <simgrid/s4u/Task.hpp>
2687 .. doxygentypedef:: CommTaskPtr
2696 .. doxygenfunction:: simgrid::s4u::CommTask::get_source() const
2697 .. doxygenfunction:: simgrid::s4u::CommTask::get_destination() const
2698 .. doxygenfunction:: simgrid::s4u::CommTask::get_bytes() const
2699 .. doxygenfunction:: simgrid::s4u::CommTask::set_source(Host* source);
2700 .. doxygenfunction:: simgrid::s4u::CommTask::set_destination(Host* destination);
2701 .. doxygenfunction:: simgrid::s4u::CommTask::set_bytes(double bytes)
2704 .. _API_s4u_ExecTask:
2713 .. doxygenclass:: simgrid::s4u::ExecTask
2724 #include <simgrid/s4u/Task.hpp>
2726 .. doxygentypedef:: ExecTaskPtr
2735 .. doxygenfunction:: simgrid::s4u::ExecTask::get_host() const
2736 .. doxygenfunction:: simgrid::s4u::ExecTask::get_flops() const
2737 .. doxygenfunction:: simgrid::s4u::ExecTask::set_host(Host* host);
2738 .. doxygenfunction:: simgrid::s4u::ExecTask::set_flops(double flops);
2749 .. doxygenclass:: simgrid::s4u::IoTask
2760 #include <simgrid/s4u/Task.hpp>
2762 .. doxygentypedef:: IoTaskPtr
2771 .. doxygenfunction:: simgrid::s4u::IoTask::get_disk() const
2772 .. doxygenfunction:: simgrid::s4u::IoTask::get_bytes() const
2773 .. doxygenfunction:: simgrid::s4u::IoTask::get_op_type() const
2774 .. doxygenfunction:: simgrid::s4u::IoTask::set_disk(Disk* disk);
2775 .. doxygenfunction:: simgrid::s4u::IoTask::set_bytes(double bytes);
2776 .. doxygenfunction:: simgrid::s4u::IoTask::set_op_type(Io::OpType type);
2778 .. _API_s4u_Synchronizations:
2780 =======================
2781 Synchronization Objects
2782 =======================
2794 .. doxygenclass:: simgrid::s4u::Mutex
2796 .. group-tab:: Python
2798 .. autoclass:: simgrid.Mutex
2809 #include <simgrid/s4u/Mutex.hpp>
2811 .. doxygentypedef:: MutexPtr
2813 .. doxygenfunction:: simgrid::s4u::Mutex::create()
2815 .. group-tab:: Python
2817 .. code-block:: Python
2819 from simgrid import Mutex
2822 # Use a context manager to acquire and automatically release the mutex
2823 # when leaving the scope.
2825 # Access shared resource ...
2828 .. automethod:: simgrid.Mutex.__init__
2834 #include <simgrid/mutex.h>
2836 .. doxygentypedef:: sg_mutex_t
2837 .. cpp:type:: const s4u_Mutex* const_sg_mutex_t
2839 Pointer to a constant mutex object.
2841 .. doxygenfunction:: sg_mutex_init()
2842 .. doxygenfunction:: sg_mutex_destroy(const_sg_mutex_t mutex)
2851 .. doxygenfunction:: simgrid::s4u::Mutex::lock()
2852 .. doxygenfunction:: simgrid::s4u::Mutex::try_lock()
2853 .. doxygenfunction:: simgrid::s4u::Mutex::unlock()
2855 .. group-tab:: Python
2857 .. automethod:: simgrid.Mutex.lock
2858 .. automethod:: simgrid.Mutex.try_lock
2859 .. automethod:: simgrid.Mutex.unlock
2863 .. doxygenfunction:: sg_mutex_lock(sg_mutex_t mutex)
2864 .. doxygenfunction:: sg_mutex_try_lock(sg_mutex_t mutex)
2865 .. doxygenfunction:: sg_mutex_unlock(sg_mutex_t mutex)
2867 .. _API_s4u_Barrier:
2877 .. doxygenclass:: simgrid::s4u::Barrier
2879 .. group-tab:: Python
2881 .. autoclass:: simgrid.Barrier
2889 #include <simgrid/s4u/Barrier.hpp>
2891 .. doxygentypedef:: BarrierPtr
2893 .. doxygenfunction:: simgrid::s4u::Barrier::create(unsigned int expected_actors)
2894 .. doxygenfunction:: simgrid::s4u::Barrier::wait()
2896 .. group-tab:: Python
2898 .. code-block:: Python
2900 from simgrid import Barrier
2901 barrier = Barrier(2)
2903 .. automethod:: simgrid.Barrier.__init__
2904 .. automethod:: simgrid.Barrier.wait
2910 #include <simgrid/barrier.hpp>
2912 .. doxygentypedef:: sg_bar_t
2914 .. doxygenfunction:: sg_barrier_init(unsigned int count)
2915 .. doxygenfunction:: sg_barrier_destroy(sg_bar_t bar)
2916 .. doxygenfunction:: sg_barrier_wait(sg_bar_t bar)
2919 .. _API_s4u_ConditionVariable:
2921 ==========================
2922 Condition variable
2923 ==========================
2925 .. doxygenclass:: simgrid::s4u::ConditionVariable
2936 #include <simgrid/s4u/ConditionVariable.hpp>
2938 .. doxygentypedef:: ConditionVariablePtr
2940 .. doxygenfunction:: simgrid::s4u::ConditionVariable::create()
2946 #include <simgrid/cond.h>
2948 .. doxygentypedef:: sg_cond_t
2949 .. doxygentypedef:: const_sg_cond_t
2950 .. doxygenfunction:: sg_cond_init
2951 .. doxygenfunction:: sg_cond_destroy
2953 Waiting and notifying
2954 ---------------------
2960 .. doxygenfunction:: simgrid::s4u::ConditionVariable::notify_all()
2961 .. doxygenfunction:: simgrid::s4u::ConditionVariable::notify_one()
2962 .. doxygenfunction:: simgrid::s4u::ConditionVariable::wait(s4u::MutexPtr lock)
2963 .. doxygenfunction:: simgrid::s4u::ConditionVariable::wait(const std::unique_lock< s4u::Mutex > &lock)
2964 .. doxygenfunction:: simgrid::s4u::ConditionVariable::wait(const std::unique_lock< Mutex > &lock, P pred)
2965 .. doxygenfunction:: simgrid::s4u::ConditionVariable::wait_for(const std::unique_lock< s4u::Mutex > &lock, double duration)
2966 .. doxygenfunction:: simgrid::s4u::ConditionVariable::wait_for(const std::unique_lock< s4u::Mutex > &lock, double duration, P pred)
2967 .. doxygenfunction:: simgrid::s4u::ConditionVariable::wait_for(const std::unique_lock< s4u::Mutex > &lock, std::chrono::duration< Rep, Period > duration)
2968 .. doxygenfunction:: simgrid::s4u::ConditionVariable::wait_for(const std::unique_lock< s4u::Mutex > &lock, std::chrono::duration< Rep, Period > duration, P pred)
2969 .. doxygenfunction:: simgrid::s4u::ConditionVariable::wait_until(const std::unique_lock< s4u::Mutex > &lock, const SimulationTimePoint< Duration > &timeout_time)
2970 .. doxygenfunction:: simgrid::s4u::ConditionVariable::wait_until(const std::unique_lock< s4u::Mutex > &lock, const SimulationTimePoint< Duration > &timeout_time, P pred)
2971 .. doxygenfunction:: simgrid::s4u::ConditionVariable::wait_until(const std::unique_lock< s4u::Mutex > &lock, double timeout_time)
2972 .. doxygenfunction:: simgrid::s4u::ConditionVariable::wait_until(const std::unique_lock< s4u::Mutex > &lock, double timeout_time, P pred)
2976 .. doxygenfunction:: sg_cond_notify_all
2977 .. doxygenfunction:: sg_cond_notify_one
2978 .. doxygenfunction:: sg_cond_wait
2979 .. doxygenfunction:: sg_cond_wait_for
2981 .. _API_s4u_Semaphore:
2991 .. doxygenclass:: simgrid::s4u::Semaphore
2993 .. group-tab:: Python
2995 .. autoclass:: simgrid.Semaphore
3006 #include <simgrid/s4u/Semaphore.hpp>
3008 .. doxygentypedef:: SemaphorePtr
3009 .. doxygenfunction:: simgrid::s4u::Semaphore::create(unsigned int initial_capacity)
3011 .. group-tab:: Python
3013 .. code-block:: Python
3015 from simgrid import Semaphore
3016 semaphore = Semaphore(1)
3017 # Automatically acquire the semaphore, and release it after leaving the scope.
3019 # Do something with the shared resource
3022 .. automethod:: simgrid.Semaphore.__init__
3028 #include <simgrid/semaphore.h>
3030 .. doxygentypedef:: sg_sem_t
3031 .. cpp:type:: const s4u_Semaphore* const_sg_sem_t
3033 Pointer to a constant semaphore object.
3035 .. doxygenfunction:: sg_sem_init(int initial_value)
3036 .. doxygenfunction:: sg_sem_destroy(const_sg_sem_t sem)
3045 .. doxygenfunction:: simgrid::s4u::Semaphore::acquire()
3046 .. doxygenfunction:: simgrid::s4u::Semaphore::acquire_timeout(double timeout)
3047 .. doxygenfunction:: simgrid::s4u::Semaphore::get_capacity() const
3048 .. doxygenfunction:: simgrid::s4u::Semaphore::release()
3049 .. doxygenfunction:: simgrid::s4u::Semaphore::would_block() const
3051 .. group-tab:: Python
3053 .. automethod:: simgrid.Semaphore.acquire
3054 .. automethod:: simgrid.Semaphore.acquire_timeout
3055 .. autoattribute:: simgrid.Semaphore.capacity
3056 .. automethod:: simgrid.Semaphore.release
3057 .. autoattribute:: simgrid.Semaphore.would_block
3061 .. doxygenfunction:: sg_sem_acquire(sg_sem_t sem)
3062 .. doxygenfunction:: sg_sem_acquire_timeout(sg_sem_t sem, double timeout)
3063 .. doxygenfunction:: sg_sem_get_capacity(const_sg_sem_t sem)
3064 .. doxygenfunction:: sg_sem_release(sg_sem_t sem)
3065 .. doxygenfunction:: sg_sem_would_block(const_sg_sem_t sem)
3075 .. doxygenclass:: simgrid::Exception
3077 The following exceptions denote a problem in the simulated platform, and it is often useful to catch them.
3079 .. doxygenclass:: simgrid::CancelException
3080 .. doxygenclass:: simgrid::HostFailureException
3081 .. doxygenclass:: simgrid::NetworkFailureException
3082 .. doxygenclass:: simgrid::StorageFailureException
3083 .. doxygenclass:: simgrid::TimeoutException
3084 .. doxygenclass:: simgrid::VmFailureException
3086 The following errors denote a problem in the SimGrid tool itself. Most of the time, you should let these
3087 exception go, so that the simulation stops. But you may want to catch them, for example when you launch
3088 SimGrid from a python notebook and want to handle the problem accordingly.
3090 .. doxygenclass:: simgrid::AssertionError
3091 .. doxygenclass:: simgrid::ParseError
3092 .. doxygenclass:: simgrid::TracingError
3094 .. group-tab:: Python
3096 The following exceptions denote a problem in the simulated platform, and it is often useful to catch them.
3098 .. autoclass:: simgrid.CancelException
3099 .. autoclass:: simgrid.HostFailureException
3100 .. autoclass:: simgrid.NetworkFailureException
3101 .. autoclass:: simgrid.StorageFailureException
3102 .. autoclass:: simgrid.TimeoutException
3103 .. autoclass:: simgrid.VmFailureException
3105 The following errors denote a problem in the SimGrid tool itself. Most of the time, you should let these
3106 exception go, so that the simulation stops. But you may want to catch them, for example when you launch
3107 SimGrid from a python notebook and want to handle the problem accordingly.
3109 .. autoclass:: simgrid.AssertionError
3113 .. doxygenenum:: sg_error_t