1 /* libsmx.c - public interface to simix */
3 /* These functions are the only ones that are visible from the higher levels */
4 /* (most of them simply add some documentation to the generated simcall body) */
6 /* This is somehow the "libc" of SimGrid */
8 /* Copyright (c) 2010-2014. The SimGrid Team. All rights reserved. */
10 /* This program is free software; you can redistribute it and/or modify it
11 * under the terms of the license (GNU LGPL) which comes with this package. */
13 #include "mc/mc_replay.h"
14 #include "smx_private.h"
15 #include "mc/mc_forward.h"
17 #include <math.h> /* isfinite() */
20 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix);
22 #include "popping_bodies.c"
25 * \ingroup simix_host_management
26 * \brief Returns a host given its name.
28 * \param name The name of the host to get
29 * \return The corresponding host
31 smx_host_t simcall_host_get_by_name(const char *name)
33 return simcall_BODY_host_get_by_name(name);
37 * \ingroup simix_host_management
38 * \brief Returns the name of a host.
40 * \param host A SIMIX host
41 * \return The name of this host
43 const char* simcall_host_get_name(smx_host_t host)
45 return simcall_BODY_host_get_name(host);
49 * \ingroup simix_host_management
50 * \brief Start the host if it is off
52 * \param host A SIMIX host
54 void simcall_host_on(smx_host_t host)
56 simcall_BODY_host_on(host);
60 * \ingroup simix_host_management
61 * \brief Stop the host if it is on
63 * \param host A SIMIX host
65 void simcall_host_off(smx_host_t host)
67 simcall_BODY_host_off(host);
71 * \ingroup simix_host_management
72 * \brief Returns a dict of the properties assigned to a host.
75 * \return The properties of this host
77 xbt_dict_t simcall_host_get_properties(smx_host_t host)
79 return simcall_BODY_host_get_properties(host);
83 * \ingroup simix_host_management
84 * \brief Returns a dict of the properties assigned to a router or AS.
86 * \param name The name of the router or AS
87 * \return The properties
89 xbt_dict_t simcall_asr_get_properties(const char *name)
91 return simcall_BODY_asr_get_properties(name);
96 * \ingroup simix_host_management
97 * \brief Returns the speed of the processor.
99 * The speed returned does not take into account the current load on the machine.
100 * \param host A SIMIX host
101 * \return The speed of this host (in Mflop/s)
103 double simcall_host_get_speed(smx_host_t host)
105 return simcall_BODY_host_get_speed(host);
109 * \ingroup simix_host_management
110 * \brief Returns the number of core of the processor.
112 * \param host A SIMIX host
113 * \return The number of core
115 int simcall_host_get_core(smx_host_t host)
117 return simcall_BODY_host_get_core(host);
121 * \ingroup simix_host_management
122 * \brief Returns the list of processes attached to the host.
124 * \param host A SIMIX host
125 * \return the swag of attached processes
127 xbt_swag_t simcall_host_get_process_list(smx_host_t host)
129 return simcall_BODY_host_get_process_list(host);
134 * \ingroup simix_host_management
135 * \brief Returns the available speed of the processor.
137 * \return Speed currently available (in Mflop/s)
139 double simcall_host_get_available_speed(smx_host_t host)
141 return simcall_BODY_host_get_available_speed(host);
145 * \ingroup simix_host_management
146 * \brief Returns the state of a host.
148 * Two states are possible: 1 if the host is active or 0 if it has crashed.
149 * \param host A SIMIX host
150 * \return 1 if the host is available, 0 otherwise
152 int simcall_host_get_state(smx_host_t host)
154 return simcall_BODY_host_get_state(host);
158 * \ingroup simix_host_management
159 * \brief Returns the power peak of a host.
161 * \param host A SIMIX host
162 * \return the current power peak value (double)
164 double simcall_host_get_current_power_peak(smx_host_t host)
166 return simcall_BODY_host_get_current_power_peak(host);
170 * \ingroup simix_host_management
171 * \brief Returns one power peak (in flops/s) of a host at a given pstate
173 * \param host A SIMIX host
174 * \param pstate_index pstate to test
175 * \return the current power peak value (double) for pstate_index
177 double simcall_host_get_power_peak_at(smx_host_t host, int pstate_index)
179 return simcall_BODY_host_get_power_peak_at(host, pstate_index);
183 * \ingroup simix_host_management
184 * \brief Returns the number of power states for a host.
186 * \param host A SIMIX host
187 * \return the number of power states
189 int simcall_host_get_nb_pstates(smx_host_t host)
191 return simcall_BODY_host_get_nb_pstates(host);
195 * \ingroup simix_host_management
196 * \brief Sets a new power peak for a host.
198 * \param host A SIMIX host
199 * \param pstate_index The pstate to which the CPU power will be set
201 void simcall_host_set_power_peak_at(smx_host_t host, int pstate_index)
203 simcall_BODY_host_set_power_peak_at(host, pstate_index);
207 * \ingroup simix_host_management
208 * \brief Returns the total energy consumed by the host (in Joules)
210 * \param host A SIMIX host
211 * \return the energy consumed by the host (double)
213 double simcall_host_get_consumed_energy(smx_host_t host)
215 return simcall_BODY_host_get_consumed_energy(host);
220 * \ingroup simix_host_management
221 * \brief Creates a synchro that executes some computation of an host.
223 * This function creates a SURF action and allocates the data necessary
224 * to create the SIMIX synchro. It can raise a host_error exception if the host crashed.
226 * \param name Name of the execution synchro to create
227 * \param host SIMIX host where the synchro will be executed
228 * \param flops_amount amount Computation amount (in flops)
229 * \param priority computation priority
231 * \param affinity_mask
232 * \return A new SIMIX execution synchronization
234 smx_synchro_t simcall_host_execute(const char *name, smx_host_t host,
236 double priority, double bound, unsigned long affinity_mask)
238 /* checking for infinite values */
239 xbt_assert(isfinite(flops_amount), "flops_amount is not finite!");
240 xbt_assert(isfinite(priority), "priority is not finite!");
242 return simcall_BODY_host_execute(name, host, flops_amount, priority, bound, affinity_mask);
246 * \ingroup simix_host_management
247 * \brief Creates a synchro that may involve parallel computation on
248 * several hosts and communication between them.
250 * \param name Name of the execution synchro to create
251 * \param host_nb Number of hosts where the synchro will be executed
252 * \param host_list Array (of size host_nb) of hosts where the synchro will be executed
253 * \param flops_amount Array (of size host_nb) of computation amount of hosts (in bytes)
254 * \param bytes_amount Array (of size host_nb * host_nb) representing the communication
255 * amount between each pair of hosts
256 * \param amount the SURF action amount
257 * \param rate the SURF action rate
258 * \return A new SIMIX execution synchronization
260 smx_synchro_t simcall_host_parallel_execute(const char *name,
262 smx_host_t *host_list,
263 double *flops_amount,
264 double *bytes_amount,
269 /* checking for infinite values */
270 for (i = 0 ; i < host_nb ; ++i) {
271 xbt_assert(isfinite(flops_amount[i]), "flops_amount[%d] is not finite!", i);
272 for (j = 0 ; j < host_nb ; ++j) {
273 xbt_assert(isfinite(bytes_amount[i + host_nb * j]),
274 "bytes_amount[%d+%d*%d] is not finite!", i, host_nb, j);
278 xbt_assert(isfinite(amount), "amount is not finite!");
279 xbt_assert(isfinite(rate), "rate is not finite!");
281 return simcall_BODY_host_parallel_execute(name, host_nb, host_list,
289 * \ingroup simix_host_management
290 * \brief Destroys an execution synchro.
292 * Destroys a synchro, freeing its memory. This function cannot be called if there are a conditional waiting for it.
293 * \param execution The execution synchro to destroy
295 void simcall_host_execution_destroy(smx_synchro_t execution)
297 simcall_BODY_host_execution_destroy(execution);
301 * \ingroup simix_host_management
302 * \brief Cancels an execution synchro.
304 * This functions stops the execution. It calls a surf function.
305 * \param execution The execution synchro to cancel
307 void simcall_host_execution_cancel(smx_synchro_t execution)
309 simcall_BODY_host_execution_cancel(execution);
313 * \ingroup simix_host_management
314 * \brief Returns how much of an execution synchro remains to be done.
316 * \param execution The execution synchro
317 * \return The remaining amount
319 double simcall_host_execution_get_remains(smx_synchro_t execution)
321 return simcall_BODY_host_execution_get_remains(execution);
325 * \ingroup simix_host_management
326 * \brief Returns the state of an execution synchro.
328 * \param execution The execution synchro
331 e_smx_state_t simcall_host_execution_get_state(smx_synchro_t execution)
333 return simcall_BODY_host_execution_get_state(execution);
337 * \ingroup simix_host_management
338 * \brief Changes the priority of an execution synchro.
340 * This functions changes the priority only. It calls a surf function.
341 * \param execution The execution synchro
342 * \param priority The new priority
344 void simcall_host_execution_set_priority(smx_synchro_t execution, double priority)
346 /* checking for infinite values */
347 xbt_assert(isfinite(priority), "priority is not finite!");
349 simcall_BODY_host_execution_set_priority(execution, priority);
353 * \ingroup simix_host_management
354 * \brief Changes the capping (the maximum CPU utilization) of an execution synchro.
356 * This functions changes the capping only. It calls a surf function.
357 * \param execution The execution synchro
358 * \param bound The new bound
360 void simcall_host_execution_set_bound(smx_synchro_t execution, double bound)
362 simcall_BODY_host_execution_set_bound(execution, bound);
366 * \ingroup simix_host_management
367 * \brief Changes the CPU affinity of an execution synchro.
369 * This functions changes the CPU affinity of an execution synchro. See taskset(1) on Linux.
370 * \param execution The execution synchro
372 * \param mask Affinity mask
374 void simcall_host_execution_set_affinity(smx_synchro_t execution, smx_host_t host, unsigned long mask)
376 simcall_BODY_host_execution_set_affinity(execution, host, mask);
380 * \ingroup simix_host_management
381 * \brief Waits for the completion of an execution synchro and destroy it.
383 * \param execution The execution synchro
385 e_smx_state_t simcall_host_execution_wait(smx_synchro_t execution)
387 return simcall_BODY_host_execution_wait(execution);
392 * \ingroup simix_vm_management
393 * \brief Create a VM on the given physical host.
395 * \param name VM name
396 * \param host Physical host
398 * \return The host object of the VM
400 void* simcall_vm_create(const char *name, smx_host_t phys_host){
401 return simcall_BODY_vm_create(name, phys_host);
405 * \ingroup simix_vm_management
406 * \brief Start the given VM to the given physical host
410 void simcall_vm_start(smx_host_t vm)
412 simcall_BODY_vm_start(vm);
416 * \ingroup simix_vm_management
417 * \brief Get the state of the given VM
420 * \return The state of the VM
422 int simcall_vm_get_state(smx_host_t vm)
424 return simcall_BODY_vm_get_state(vm);
428 * \ingroup simix_vm_management
429 * \brief Get the name of the physical host on which the given VM runs.
432 * \return The name of the physical host
434 void *simcall_vm_get_pm(smx_host_t vm)
436 return simcall_BODY_vm_get_pm(vm);
439 void simcall_vm_set_bound(smx_host_t vm, double bound)
441 simcall_BODY_vm_set_bound(vm, bound);
444 void simcall_vm_set_affinity(smx_host_t vm, smx_host_t pm, unsigned long mask)
446 simcall_BODY_vm_set_affinity(vm, pm, mask);
449 void simcall_host_get_params(smx_host_t vm, ws_params_t params)
451 simcall_BODY_host_get_params(vm, params);
454 void simcall_host_set_params(smx_host_t vm, ws_params_t params)
456 simcall_BODY_host_set_params(vm, params);
460 * \ingroup simix_vm_management
461 * \brief Migrate the given VM to the given physical host
464 * \param host Destination physical host
466 void simcall_vm_migrate(smx_host_t vm, smx_host_t host)
468 simcall_BODY_vm_migrate(vm, host);
472 * \ingroup simix_vm_management
473 * \brief Suspend the given VM
477 void simcall_vm_suspend(smx_host_t vm)
479 simcall_BODY_vm_suspend(vm);
483 * \ingroup simix_vm_management
484 * \brief Resume the given VM
488 void simcall_vm_resume(smx_host_t vm)
490 simcall_BODY_vm_resume(vm);
494 * \ingroup simix_vm_management
495 * \brief Save the given VM
499 void simcall_vm_save(smx_host_t vm)
501 simcall_BODY_vm_save(vm);
505 * \ingroup simix_vm_management
506 * \brief Restore the given VM
510 void simcall_vm_restore(smx_host_t vm)
512 simcall_BODY_vm_restore(vm);
516 * \ingroup simix_vm_management
517 * \brief Shutdown the given VM
521 void simcall_vm_shutdown(smx_host_t vm)
523 simcall_BODY_vm_shutdown(vm);
527 * \ingroup simix_vm_management
528 * \brief Destroy the given VM
532 void simcall_vm_destroy(smx_host_t vm)
534 simcall_BODY_vm_destroy(vm);
539 * \ingroup simix_process_management
540 * \brief Creates and runs a new SIMIX process.
542 * The structure and the corresponding thread are created and put in the list of ready processes.
544 * \param process the process created will be stored in this pointer
545 * \param name a name for the process. It is for user-level information and can be NULL.
546 * \param code the main function of the process
547 * \param data a pointer to any data one may want to attach to the new object. It is for user-level information and can be NULL.
548 * It can be retrieved with the function \ref simcall_process_get_data.
549 * \param hostname name of the host where the new agent is executed.
550 * \param kill_time time when the process is killed
551 * \param argc first argument passed to \a code
552 * \param argv second argument passed to \a code
553 * \param properties the properties of the process
554 * \param auto_restart either it is autorestarting or not.
556 void simcall_process_create(smx_process_t *process, const char *name,
557 xbt_main_func_t code,
559 const char *hostname,
561 int argc, char **argv,
562 xbt_dict_t properties,
565 simcall_BODY_process_create(process, name, code, data, hostname,
566 kill_time, argc, argv, properties,
571 * \ingroup simix_process_management
572 * \brief Kills a SIMIX process.
574 * This function simply kills a process.
576 * \param process poor victim
578 void simcall_process_kill(smx_process_t process)
580 simcall_BODY_process_kill(process);
584 * \ingroup simix_process_management
585 * \brief Kills all SIMIX processes.
587 void simcall_process_killall(int reset_pid)
589 simcall_BODY_process_killall(reset_pid);
593 * \ingroup simix_process_management
594 * \brief Cleans up a SIMIX process.
595 * \param process poor victim (must have already been killed)
597 void simcall_process_cleanup(smx_process_t process)
599 simcall_BODY_process_cleanup(process);
603 * \ingroup simix_process_management
604 * \brief Migrates an agent to another location.
606 * This function changes the value of the host on which \a process is running.
608 * \param process the process to migrate
609 * \param dest name of the new host
611 void simcall_process_change_host(smx_process_t process, smx_host_t dest)
613 simcall_BODY_process_change_host(process, dest);
616 void simcall_process_join(smx_process_t process, double timeout)
618 simcall_BODY_process_join(process, timeout);
622 * \ingroup simix_process_management
623 * \brief Suspends a process.
625 * This function suspends the process by suspending the synchro
626 * it was waiting for completion.
628 * \param process a SIMIX process
630 void simcall_process_suspend(smx_process_t process)
632 xbt_assert(process, "Invalid parameters");
634 simcall_BODY_process_suspend(process);
638 * \ingroup simix_process_management
639 * \brief Resumes a suspended process.
641 * This function resumes a suspended process by resuming the synchro
642 * it was waiting for completion.
644 * \param process a SIMIX process
646 void simcall_process_resume(smx_process_t process)
648 simcall_BODY_process_resume(process);
652 * \ingroup simix_process_management
653 * \brief Returns the amount of SIMIX processes in the system
655 * Maestro internal process is not counted, only user code processes are
657 int simcall_process_count(void)
659 return simcall_BODY_process_count();
663 * \ingroup simix_process_management
664 * \brief Return the PID of a #smx_process_t.
665 * \param process a SIMIX process
666 * \return the PID of this process
668 int simcall_process_get_PID(smx_process_t process)
670 if (process == SIMIX_process_self()) {
671 /* avoid a simcall if this function is called by the process itself */
672 return SIMIX_process_get_PID(process);
675 return simcall_BODY_process_get_PID(process);
679 * \ingroup simix_process_management
680 * \brief Return the parent PID of a #smx_process_t.
681 * \param process a SIMIX process
682 * \return the PID of this process parenrt
684 int simcall_process_get_PPID(smx_process_t process)
686 if (process == SIMIX_process_self()) {
687 /* avoid a simcall if this function is called by the process itself */
688 return SIMIX_process_get_PPID(process);
691 return simcall_BODY_process_get_PPID(process);
695 * \ingroup simix_process_management
696 * \brief Return the user data of a #smx_process_t.
697 * \param process a SIMIX process
698 * \return the user data of this process
700 void* simcall_process_get_data(smx_process_t process)
702 if (process == SIMIX_process_self()) {
703 /* avoid a simcall if this function is called by the process itself */
704 return SIMIX_process_get_data(process);
707 return simcall_BODY_process_get_data(process);
711 * \ingroup simix_process_management
712 * \brief Set the user data of a #smx_process_t.
714 * This functions sets the user data associated to \a process.
715 * \param process SIMIX process
716 * \param data User data
718 void simcall_process_set_data(smx_process_t process, void *data)
720 if (process == SIMIX_process_self()) {
721 /* avoid a simcall if this function is called by the process itself */
722 SIMIX_process_self_set_data(process, data);
725 simcall_BODY_process_set_data(process, data);
730 * \ingroup simix_process_management
731 * \brief Set the kill time of a process.
732 * \param process a process
733 * \param kill_time a double
735 void simcall_process_set_kill_time(smx_process_t process, double kill_time)
738 if (kill_time > SIMIX_get_clock()) {
739 if (simix_global->kill_process_function) {
740 XBT_DEBUG("Set kill time %f for process %s(%s)",kill_time, process->name,
741 sg_host_name(process->smx_host));
742 SIMIX_timer_set(kill_time, simix_global->kill_process_function, process);
748 * \ingroup simix_process_management
749 * \brief Return the location on which an agent is running.
751 * This functions returns the smx_host_t corresponding to the location on which
752 * \a process is running.
753 * \param process SIMIX process
756 smx_host_t simcall_process_get_host(smx_process_t process)
758 return simcall_BODY_process_get_host(process);
762 * \ingroup simix_process_management
763 * \brief Return the name of an agent.
765 * This functions checks whether \a process is a valid pointer or not and return its name.
766 * \param process SIMIX process
767 * \return The process name
769 const char* simcall_process_get_name(smx_process_t process)
771 if (process == SIMIX_process_self()) {
772 /* avoid a simcall if this function is called by the process itself */
773 return process->name;
775 return simcall_BODY_process_get_name(process);
779 * \ingroup simix_process_management
780 * \brief Returns true if the process is suspended .
782 * This checks whether a process is suspended or not by inspecting the task on which it was waiting for the completion.
783 * \param process SIMIX process
784 * \return 1, if the process is suspended, else 0.
786 int simcall_process_is_suspended(smx_process_t process)
788 return simcall_BODY_process_is_suspended(process);
792 * \ingroup simix_process_management
793 * \brief Return the properties
795 * This functions returns the properties associated with this process
797 xbt_dict_t simcall_process_get_properties(smx_process_t process)
799 return simcall_BODY_process_get_properties(process);
802 * \ingroup simix_process_management
803 * \brief Add an on_exit function
804 * Add an on_exit function which will be executed when the process exits/is killed.
806 XBT_PUBLIC(void) simcall_process_on_exit(smx_process_t process, int_f_pvoid_pvoid_t fun, void *data)
808 simcall_BODY_process_on_exit(process, fun, data);
811 * \ingroup simix_process_management
812 * \brief Sets the process to be auto-restarted or not by SIMIX when its host comes back up.
813 * Will restart the process when the host comes back up if auto_restart is set to 1.
816 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_process_t process, int auto_restart)
818 simcall_BODY_process_auto_restart_set(process, auto_restart);
822 * \ingroup simix_process_management
823 * \brief Restarts the process, killing it and starting it again from scratch.
825 XBT_PUBLIC(smx_process_t) simcall_process_restart(smx_process_t process)
827 return simcall_BODY_process_restart(process);
830 * \ingroup simix_process_management
831 * \brief Creates a new sleep SIMIX synchro.
833 * This function creates a SURF action and allocates the data necessary
834 * to create the SIMIX synchro. It can raise a host_error exception if the
835 * host crashed. The default SIMIX name of the synchro is "sleep".
837 * \param duration Time duration of the sleep.
838 * \return A result telling whether the sleep was successful
840 e_smx_state_t simcall_process_sleep(double duration)
842 /* checking for infinite values */
843 xbt_assert(isfinite(duration), "duration is not finite!");
844 return simcall_BODY_process_sleep(duration);
848 * \ingroup simix_rdv_management
849 * \brief Creates a new rendez-vous point
850 * \param name The name of the rendez-vous point
851 * \return The created rendez-vous point
853 smx_rdv_t simcall_rdv_create(const char *name)
855 return simcall_BODY_rdv_create(name);
860 * \ingroup simix_rdv_management
861 * \brief Destroy a rendez-vous point
862 * \param rdv The rendez-vous point to destroy
864 void simcall_rdv_destroy(smx_rdv_t rdv)
866 simcall_BODY_rdv_destroy(rdv);
869 * \ingroup simix_rdv_management
870 * \brief Returns a rendez-vous point knowing its name
872 smx_rdv_t simcall_rdv_get_by_name(const char *name)
874 xbt_assert(name != NULL, "Invalid parameter for simcall_rdv_get_by_name (name is NULL)");
876 /* FIXME: this is a horrible loss of performance, so we hack it out by
877 * skipping the simcall (for now). It works in parallel, it won't work on
878 * distributed but probably we will change MSG for that. */
880 return SIMIX_rdv_get_by_name(name);
884 * \ingroup simix_rdv_management
885 * \brief Counts the number of communication synchros of a given host pending
886 * on a rendez-vous point.
887 * \param rdv The rendez-vous point
888 * \param host The host to be counted
889 * \return The number of comm synchros pending in the rdv
891 int simcall_rdv_comm_count_by_host(smx_rdv_t rdv, smx_host_t host)
893 return simcall_BODY_rdv_comm_count_by_host(rdv, host);
897 * \ingroup simix_rdv_management
898 * \brief returns the communication at the head of the rendez-vous
899 * \param rdv The rendez-vous point
900 * \return The communication or NULL if empty
902 smx_synchro_t simcall_rdv_get_head(smx_rdv_t rdv)
904 return simcall_BODY_rdv_get_head(rdv);
907 void simcall_rdv_set_receiver(smx_rdv_t rdv, smx_process_t process)
909 simcall_BODY_rdv_set_receiver(rdv, process);
912 smx_process_t simcall_rdv_get_receiver(smx_rdv_t rdv)
914 return simcall_BODY_rdv_get_receiver(rdv);
918 * \ingroup simix_comm_management
920 void simcall_comm_send(smx_process_t src, smx_rdv_t rdv, double task_size, double rate,
921 void *src_buff, size_t src_buff_size,
922 int (*match_fun)(void *, void *, smx_synchro_t),
923 void (*copy_data_fun)(smx_synchro_t, void*, size_t), void *data,
926 /* checking for infinite values */
927 xbt_assert(isfinite(task_size), "task_size is not finite!");
928 xbt_assert(isfinite(rate), "rate is not finite!");
929 xbt_assert(isfinite(timeout), "timeout is not finite!");
931 xbt_assert(rdv, "No rendez-vous point defined for send");
933 if (MC_is_active() || MC_record_replay_is_active()) {
934 /* the model-checker wants two separate simcalls */
935 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
936 comm = simcall_comm_isend(src, rdv, task_size, rate,
937 src_buff, src_buff_size, match_fun, NULL, copy_data_fun, data, 0);
938 simcall_comm_wait(comm, timeout);
942 simcall_BODY_comm_send(src, rdv, task_size, rate, src_buff, src_buff_size,
943 match_fun, copy_data_fun, data, timeout);
948 * \ingroup simix_comm_management
950 smx_synchro_t simcall_comm_isend(smx_process_t src, smx_rdv_t rdv, double task_size, double rate,
951 void *src_buff, size_t src_buff_size,
952 int (*match_fun)(void *, void *, smx_synchro_t),
953 void (*clean_fun)(void *),
954 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
958 /* checking for infinite values */
959 xbt_assert(isfinite(task_size), "task_size is not finite!");
960 xbt_assert(isfinite(rate), "rate is not finite!");
962 xbt_assert(rdv, "No rendez-vous point defined for isend");
964 return simcall_BODY_comm_isend(src, rdv, task_size, rate, src_buff,
965 src_buff_size, match_fun,
966 clean_fun, copy_data_fun, data, detached);
970 * \ingroup simix_comm_management
972 void simcall_comm_recv(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
973 int (*match_fun)(void *, void *, smx_synchro_t),
974 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
975 void *data, double timeout, double rate)
977 xbt_assert(isfinite(timeout), "timeout is not finite!");
978 xbt_assert(rdv, "No rendez-vous point defined for recv");
980 if (MC_is_active() || MC_record_replay_is_active()) {
981 /* the model-checker wants two separate simcalls */
982 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
983 comm = simcall_comm_irecv(rdv, dst_buff, dst_buff_size,
984 match_fun, copy_data_fun, data, rate);
985 simcall_comm_wait(comm, timeout);
989 simcall_BODY_comm_recv(rdv, dst_buff, dst_buff_size,
990 match_fun, copy_data_fun, data, timeout, rate);
994 * \ingroup simix_comm_management
996 smx_synchro_t simcall_comm_irecv(smx_rdv_t rdv, void *dst_buff, size_t *dst_buff_size,
997 int (*match_fun)(void *, void *, smx_synchro_t),
998 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
999 void *data, double rate)
1001 xbt_assert(rdv, "No rendez-vous point defined for irecv");
1003 return simcall_BODY_comm_irecv(rdv, dst_buff, dst_buff_size,
1004 match_fun, copy_data_fun, data, rate);
1008 * \ingroup simix_comm_management
1010 smx_synchro_t simcall_comm_iprobe(smx_rdv_t rdv, int type, int src, int tag,
1011 int (*match_fun)(void *, void *, smx_synchro_t), void *data)
1013 xbt_assert(rdv, "No rendez-vous point defined for iprobe");
1015 return simcall_BODY_comm_iprobe(rdv, type, src, tag, match_fun, data);
1019 * \ingroup simix_comm_management
1021 void simcall_comm_cancel(smx_synchro_t comm)
1023 simcall_BODY_comm_cancel(comm);
1027 * \ingroup simix_comm_management
1029 unsigned int simcall_comm_waitany(xbt_dynar_t comms)
1031 return simcall_BODY_comm_waitany(comms);
1035 * \ingroup simix_comm_management
1037 int simcall_comm_testany(xbt_dynar_t comms)
1039 if (xbt_dynar_is_empty(comms))
1041 return simcall_BODY_comm_testany(comms);
1045 * \ingroup simix_comm_management
1047 void simcall_comm_wait(smx_synchro_t comm, double timeout)
1049 xbt_assert(isfinite(timeout), "timeout is not finite!");
1050 simcall_BODY_comm_wait(comm, timeout);
1054 * \brief Set the category of an synchro.
1056 * This functions changes the category only. It calls a surf function.
1057 * \param execution The execution synchro
1058 * \param category The tracing category
1060 void simcall_set_category(smx_synchro_t synchro, const char *category)
1062 if (category == NULL) {
1065 simcall_BODY_set_category(synchro, category);
1069 * \ingroup simix_comm_management
1072 int simcall_comm_test(smx_synchro_t comm)
1074 return simcall_BODY_comm_test(comm);
1078 * \ingroup simix_comm_management
1081 double simcall_comm_get_remains(smx_synchro_t comm)
1083 return simcall_BODY_comm_get_remains(comm);
1087 * \ingroup simix_comm_management
1090 e_smx_state_t simcall_comm_get_state(smx_synchro_t comm)
1092 return simcall_BODY_comm_get_state(comm);
1096 * \ingroup simix_comm_management
1099 void *simcall_comm_get_src_data(smx_synchro_t comm)
1101 return simcall_BODY_comm_get_src_data(comm);
1105 * \ingroup simix_comm_management
1108 void *simcall_comm_get_dst_data(smx_synchro_t comm)
1110 return simcall_BODY_comm_get_dst_data(comm);
1114 * \ingroup simix_comm_management
1117 smx_process_t simcall_comm_get_src_proc(smx_synchro_t comm)
1119 return simcall_BODY_comm_get_src_proc(comm);
1123 * \ingroup simix_comm_management
1126 smx_process_t simcall_comm_get_dst_proc(smx_synchro_t comm)
1128 return simcall_BODY_comm_get_dst_proc(comm);
1131 #ifdef HAVE_LATENCY_BOUND_TRACKING
1132 int simcall_comm_is_latency_bounded(smx_synchro_t comm)
1134 return simcall_BODY_comm_is_latency_bounded(comm);
1139 * \ingroup simix_synchro_management
1142 smx_mutex_t simcall_mutex_init(void)
1145 fprintf(stderr,"You must run MSG_init before using MSG\n"); // We can't use xbt_die since we may get there before the initialization
1148 return simcall_BODY_mutex_init();
1152 * \ingroup simix_synchro_management
1155 void simcall_mutex_destroy(smx_mutex_t mutex)
1157 simcall_BODY_mutex_destroy(mutex);
1161 * \ingroup simix_synchro_management
1164 void simcall_mutex_lock(smx_mutex_t mutex)
1166 simcall_BODY_mutex_lock(mutex);
1170 * \ingroup simix_synchro_management
1173 int simcall_mutex_trylock(smx_mutex_t mutex)
1175 return simcall_BODY_mutex_trylock(mutex);
1179 * \ingroup simix_synchro_management
1182 void simcall_mutex_unlock(smx_mutex_t mutex)
1184 simcall_BODY_mutex_unlock(mutex);
1188 * \ingroup simix_synchro_management
1191 smx_cond_t simcall_cond_init(void)
1193 return simcall_BODY_cond_init();
1197 * \ingroup simix_synchro_management
1200 void simcall_cond_destroy(smx_cond_t cond)
1202 simcall_BODY_cond_destroy(cond);
1206 * \ingroup simix_synchro_management
1209 void simcall_cond_signal(smx_cond_t cond)
1211 simcall_BODY_cond_signal(cond);
1215 * \ingroup simix_synchro_management
1218 void simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex)
1220 simcall_BODY_cond_wait(cond, mutex);
1224 * \ingroup simix_synchro_management
1227 void simcall_cond_wait_timeout(smx_cond_t cond,
1231 xbt_assert(isfinite(timeout), "timeout is not finite!");
1232 simcall_BODY_cond_wait_timeout(cond, mutex, timeout);
1236 * \ingroup simix_synchro_management
1239 void simcall_cond_broadcast(smx_cond_t cond)
1241 simcall_BODY_cond_broadcast(cond);
1245 * \ingroup simix_synchro_management
1248 smx_sem_t simcall_sem_init(int capacity)
1250 return simcall_BODY_sem_init(capacity);
1254 * \ingroup simix_synchro_management
1257 void simcall_sem_destroy(smx_sem_t sem)
1259 simcall_BODY_sem_destroy(sem);
1263 * \ingroup simix_synchro_management
1266 void simcall_sem_release(smx_sem_t sem)
1268 simcall_BODY_sem_release(sem);
1272 * \ingroup simix_synchro_management
1275 int simcall_sem_would_block(smx_sem_t sem)
1277 return simcall_BODY_sem_would_block(sem);
1281 * \ingroup simix_synchro_management
1284 void simcall_sem_acquire(smx_sem_t sem)
1286 simcall_BODY_sem_acquire(sem);
1290 * \ingroup simix_synchro_management
1293 void simcall_sem_acquire_timeout(smx_sem_t sem, double timeout)
1295 xbt_assert(isfinite(timeout), "timeout is not finite!");
1296 simcall_BODY_sem_acquire_timeout(sem, timeout);
1300 * \ingroup simix_synchro_management
1303 int simcall_sem_get_capacity(smx_sem_t sem)
1305 return simcall_BODY_sem_get_capacity(sem);
1309 * \ingroup simix_file_management
1312 sg_size_t simcall_file_read(smx_file_t fd, sg_size_t size, smx_host_t host)
1314 return simcall_BODY_file_read(fd, size, host);
1318 * \ingroup simix_file_management
1321 sg_size_t simcall_file_write(smx_file_t fd, sg_size_t size, smx_host_t host)
1323 return simcall_BODY_file_write(fd, size, host);
1327 * \ingroup simix_file_management
1330 smx_file_t simcall_file_open(const char* fullpath, smx_host_t host)
1332 return simcall_BODY_file_open(fullpath, host);
1336 * \ingroup simix_file_management
1339 int simcall_file_close(smx_file_t fd, smx_host_t host)
1341 return simcall_BODY_file_close(fd, host);
1345 * \ingroup simix_file_management
1348 int simcall_file_unlink(smx_file_t fd, smx_host_t host)
1350 return simcall_BODY_file_unlink(fd, host);
1354 * \ingroup simix_file_management
1357 sg_size_t simcall_file_get_size(smx_file_t fd){
1358 return simcall_BODY_file_get_size(fd);
1362 * \ingroup simix_file_management
1365 sg_size_t simcall_file_tell(smx_file_t fd){
1366 return simcall_BODY_file_tell(fd);
1370 * \ingroup simix_file_management
1373 xbt_dynar_t simcall_file_get_info(smx_file_t fd)
1375 return simcall_BODY_file_get_info(fd);
1379 * \ingroup simix_file_management
1382 int simcall_file_seek(smx_file_t fd, sg_offset_t offset, int origin){
1383 return simcall_BODY_file_seek(fd, offset, origin);
1387 * \ingroup simix_file_management
1388 * \brief Move a file to another location on the *same mount point*.
1391 int simcall_file_move(smx_file_t fd, const char* fullpath)
1393 return simcall_BODY_file_move(fd, fullpath);
1397 * \ingroup simix_storage_management
1398 * \brief Returns the free space size on a given storage element.
1399 * \param storage a storage
1400 * \return Return the free space size on a given storage element (as sg_size_t)
1402 sg_size_t simcall_storage_get_free_size (smx_storage_t storage){
1403 return simcall_BODY_storage_get_free_size(storage);
1407 * \ingroup simix_storage_management
1408 * \brief Returns the used space size on a given storage element.
1409 * \param storage a storage
1410 * \return Return the used space size on a given storage element (as sg_size_t)
1412 sg_size_t simcall_storage_get_used_size (smx_storage_t storage){
1413 return simcall_BODY_storage_get_used_size(storage);
1417 * \ingroup simix_storage_management
1418 * \brief Returns the list of storages mounted on an host.
1419 * \param host A SIMIX host
1420 * \return a dict containing all storages mounted on the host
1422 xbt_dict_t simcall_host_get_mounted_storage_list(smx_host_t host)
1424 return simcall_BODY_host_get_mounted_storage_list(host);
1428 * \ingroup simix_storage_management
1429 * \brief Returns the list of storages attached to an host.
1430 * \param host A SIMIX host
1431 * \return a dict containing all storages attached to the host
1433 xbt_dynar_t simcall_host_get_attached_storage_list(smx_host_t host)
1435 return simcall_BODY_host_get_attached_storage_list(host);
1439 * \ingroup simix_storage_management
1440 * \brief Returns a dict of the properties assigned to a storage element.
1442 * \param storage A storage element
1443 * \return The properties of this storage element
1445 xbt_dict_t simcall_storage_get_properties(smx_storage_t storage)
1447 return simcall_BODY_storage_get_properties(storage);
1451 * \ingroup simix_storage_management
1452 * \brief Returns a dict containing the content of a storage element.
1454 * \param storage A storage element
1455 * \return The content of this storage element as a dict (full path file => size)
1457 xbt_dict_t simcall_storage_get_content(smx_storage_t storage)
1459 return simcall_BODY_storage_get_content(storage);
1466 void *simcall_mc_snapshot(void) {
1467 return simcall_BODY_mc_snapshot();
1470 int simcall_mc_compare_snapshots(void *s1, void *s2) {
1471 return simcall_BODY_mc_compare_snapshots(s1, s2);
1474 #endif /* HAVE_MC */
1476 int simcall_mc_random(int min, int max) {
1477 return simcall_BODY_mc_random(min, max);
1480 /* ************************************************************************** */
1482 /** @brief returns a printable string representing a simcall */
1483 const char *SIMIX_simcall_name(e_smx_simcall_t kind) {
1484 return simcall_names[kind];