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 "smx_private.h"
14 #include "mc/mc_interface.h"
16 #include <math.h> /* isfinite() */
18 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix);
20 #include "popping_bodies.c"
23 * \ingroup simix_host_management
24 * \brief Returns a host given its name.
26 * \param name The name of the host to get
27 * \return The corresponding host
29 smx_host_t simcall_host_get_by_name(const char *name)
31 return simcall_BODY_host_get_by_name(name);
35 * \ingroup simix_host_management
36 * \brief Returns the name of a host.
38 * \param host A SIMIX host
39 * \return The name of this host
41 const char* simcall_host_get_name(smx_host_t host)
43 return simcall_BODY_host_get_name(host);
47 * \ingroup simix_host_management
48 * \brief Start the host if it is off
50 * \param host A SIMIX host
52 void simcall_host_on(smx_host_t host)
54 simcall_BODY_host_on(host);
58 * \ingroup simix_host_management
59 * \brief Stop the host if it is on
61 * \param host A SIMIX host
63 void simcall_host_off(smx_host_t host)
65 simcall_BODY_host_off(host);
69 * \ingroup simix_host_management
70 * \brief Returns a dict of the properties assigned to a host.
73 * \return The properties of this host
75 xbt_dict_t simcall_host_get_properties(smx_host_t host)
77 return simcall_BODY_host_get_properties(host);
81 * \ingroup simix_host_management
82 * \brief Returns a dict of the properties assigned to a router or AS.
84 * \param name The name of the router or AS
85 * \return The properties
87 xbt_dict_t simcall_asr_get_properties(const char *name)
89 return simcall_BODY_asr_get_properties(name);
94 * \ingroup simix_host_management
95 * \brief Returns the speed of the processor.
97 * The speed returned does not take into account the current load on the machine.
98 * \param host A SIMIX host
99 * \return The speed of this host (in Mflop/s)
101 double simcall_host_get_speed(smx_host_t host)
103 return simcall_BODY_host_get_speed(host);
107 * \ingroup simix_host_management
108 * \brief Returns the number of core of the processor.
110 * \param host A SIMIX host
111 * \return The number of core
113 int simcall_host_get_core(smx_host_t host)
115 return simcall_BODY_host_get_core(host);
119 * \ingroup simix_host_management
120 * \brief Returns the list of processes attached to the host.
122 * \param host A SIMIX host
123 * \return the swag of attached processes
125 xbt_swag_t simcall_host_get_process_list(smx_host_t host)
127 return simcall_BODY_host_get_process_list(host);
132 * \ingroup simix_host_management
133 * \brief Returns the available speed of the processor.
135 * \return Speed currently available (in Mflop/s)
137 double simcall_host_get_available_speed(smx_host_t host)
139 return simcall_BODY_host_get_available_speed(host);
143 * \ingroup simix_host_management
144 * \brief Returns the state of a host.
146 * Two states are possible: 1 if the host is active or 0 if it has crashed.
147 * \param host A SIMIX host
148 * \return 1 if the host is available, 0 otherwise
150 int simcall_host_get_state(smx_host_t host)
152 return simcall_BODY_host_get_state(host);
156 * \ingroup simix_host_management
157 * \brief Returns the power peak of a host.
159 * \param host A SIMIX host
160 * \return the current power peak value (double)
162 double simcall_host_get_current_power_peak(smx_host_t host)
164 return simcall_BODY_host_get_current_power_peak(host);
168 * \ingroup simix_host_management
169 * \brief Returns one power peak (in flops/s) of a host at a given pstate
171 * \param host A SIMIX host
172 * \param pstate_index pstate to test
173 * \return the current power peak value (double) for pstate_index
175 double simcall_host_get_power_peak_at(smx_host_t host, int pstate_index)
177 return simcall_BODY_host_get_power_peak_at(host, pstate_index);
181 * \ingroup simix_host_management
182 * \brief Returns the number of power states for a host.
184 * \param host A SIMIX host
185 * \return the number of power states
187 int simcall_host_get_nb_pstates(smx_host_t host)
189 return simcall_BODY_host_get_nb_pstates(host);
193 * \ingroup simix_host_management
194 * \brief Sets a new power peak for a host.
196 * \param host A SIMIX host
197 * \param pstate_index The pstate to which the CPU power will be set
199 void simcall_host_set_power_peak_at(smx_host_t host, int pstate_index)
201 simcall_BODY_host_set_power_peak_at(host, pstate_index);
205 * \ingroup simix_host_management
206 * \brief Returns the total energy consumed by the host (in Joules)
208 * \param host A SIMIX host
209 * \return the energy consumed by the host (double)
211 double simcall_host_get_consumed_energy(smx_host_t host)
213 return simcall_BODY_host_get_consumed_energy(host);
218 * \ingroup simix_host_management
219 * \brief Creates a synchro that executes some computation of an host.
221 * This function creates a SURF action and allocates the data necessary
222 * to create the SIMIX synchro. It can raise a host_error exception if the host crashed.
224 * \param name Name of the execution synchro to create
225 * \param host SIMIX host where the synchro will be executed
226 * \param flops_amount amount Computation amount (in flops)
227 * \param priority computation priority
229 * \param affinity_mask
230 * \return A new SIMIX execution synchronization
232 smx_synchro_t simcall_host_execute(const char *name, smx_host_t host,
234 double priority, double bound, unsigned long affinity_mask)
236 /* checking for infinite values */
237 xbt_assert(isfinite(flops_amount), "flops_amount is not finite!");
238 xbt_assert(isfinite(priority), "priority is not finite!");
240 return simcall_BODY_host_execute(name, host, flops_amount, priority, bound, affinity_mask);
244 * \ingroup simix_host_management
245 * \brief Creates a synchro that may involve parallel computation on
246 * several hosts and communication between them.
248 * \param name Name of the execution synchro to create
249 * \param host_nb Number of hosts where the synchro will be executed
250 * \param host_list Array (of size host_nb) of hosts where the synchro will be executed
251 * \param flops_amount Array (of size host_nb) of computation amount of hosts (in bytes)
252 * \param bytes_amount Array (of size host_nb * host_nb) representing the communication
253 * amount between each pair of hosts
254 * \param amount the SURF action amount
255 * \param rate the SURF action rate
256 * \return A new SIMIX execution synchronization
258 smx_synchro_t simcall_host_parallel_execute(const char *name,
260 smx_host_t *host_list,
261 double *flops_amount,
262 double *bytes_amount,
267 /* checking for infinite values */
268 for (i = 0 ; i < host_nb ; ++i) {
269 xbt_assert(isfinite(flops_amount[i]), "flops_amount[%d] is not finite!", i);
270 for (j = 0 ; j < host_nb ; ++j) {
271 xbt_assert(isfinite(bytes_amount[i + host_nb * j]),
272 "bytes_amount[%d+%d*%d] is not finite!", i, host_nb, j);
276 xbt_assert(isfinite(amount), "amount is not finite!");
277 xbt_assert(isfinite(rate), "rate is not finite!");
279 return simcall_BODY_host_parallel_execute(name, host_nb, host_list,
287 * \ingroup simix_host_management
288 * \brief Destroys an execution synchro.
290 * Destroys a synchro, freeing its memory. This function cannot be called if there are a conditional waiting for it.
291 * \param execution The execution synchro to destroy
293 void simcall_host_execution_destroy(smx_synchro_t execution)
295 simcall_BODY_host_execution_destroy(execution);
299 * \ingroup simix_host_management
300 * \brief Cancels an execution synchro.
302 * This functions stops the execution. It calls a surf function.
303 * \param execution The execution synchro to cancel
305 void simcall_host_execution_cancel(smx_synchro_t execution)
307 simcall_BODY_host_execution_cancel(execution);
311 * \ingroup simix_host_management
312 * \brief Returns how much of an execution synchro remains to be done.
314 * \param execution The execution synchro
315 * \return The remaining amount
317 double simcall_host_execution_get_remains(smx_synchro_t execution)
319 return simcall_BODY_host_execution_get_remains(execution);
323 * \ingroup simix_host_management
324 * \brief Returns the state of an execution synchro.
326 * \param execution The execution synchro
329 e_smx_state_t simcall_host_execution_get_state(smx_synchro_t execution)
331 return simcall_BODY_host_execution_get_state(execution);
335 * \ingroup simix_host_management
336 * \brief Changes the priority of an execution synchro.
338 * This functions changes the priority only. It calls a surf function.
339 * \param execution The execution synchro
340 * \param priority The new priority
342 void simcall_host_execution_set_priority(smx_synchro_t execution, double priority)
344 /* checking for infinite values */
345 xbt_assert(isfinite(priority), "priority is not finite!");
347 simcall_BODY_host_execution_set_priority(execution, priority);
351 * \ingroup simix_host_management
352 * \brief Changes the capping (the maximum CPU utilization) of an execution synchro.
354 * This functions changes the capping only. It calls a surf function.
355 * \param execution The execution synchro
356 * \param bound The new bound
358 void simcall_host_execution_set_bound(smx_synchro_t execution, double bound)
360 simcall_BODY_host_execution_set_bound(execution, bound);
364 * \ingroup simix_host_management
365 * \brief Changes the CPU affinity of an execution synchro.
367 * This functions changes the CPU affinity of an execution synchro. See taskset(1) on Linux.
368 * \param execution The execution synchro
370 * \param mask Affinity mask
372 void simcall_host_execution_set_affinity(smx_synchro_t execution, smx_host_t host, unsigned long mask)
374 simcall_BODY_host_execution_set_affinity(execution, host, mask);
378 * \ingroup simix_host_management
379 * \brief Waits for the completion of an execution synchro and destroy it.
381 * \param execution The execution synchro
383 e_smx_state_t simcall_host_execution_wait(smx_synchro_t execution)
385 return simcall_BODY_host_execution_wait(execution);
390 * \ingroup simix_vm_management
391 * \brief Create a VM on the given physical host.
393 * \param name VM name
394 * \param host Physical host
396 * \return The host object of the VM
398 void* simcall_vm_create(const char *name, smx_host_t phys_host){
399 return simcall_BODY_vm_create(name, phys_host);
403 * \ingroup simix_vm_management
404 * \brief Start the given VM to the given physical host
408 void simcall_vm_start(smx_host_t vm)
410 simcall_BODY_vm_start(vm);
414 * \ingroup simix_vm_management
415 * \brief Get the state of the given VM
418 * \return The state of the VM
420 int simcall_vm_get_state(smx_host_t vm)
422 return simcall_BODY_vm_get_state(vm);
426 * \ingroup simix_vm_management
427 * \brief Get the name of the physical host on which the given VM runs.
430 * \return The name of the physical host
432 void *simcall_vm_get_pm(smx_host_t vm)
434 return simcall_BODY_vm_get_pm(vm);
437 void simcall_vm_set_bound(smx_host_t vm, double bound)
439 simcall_BODY_vm_set_bound(vm, bound);
442 void simcall_vm_set_affinity(smx_host_t vm, smx_host_t pm, unsigned long mask)
444 simcall_BODY_vm_set_affinity(vm, pm, mask);
447 void simcall_host_get_params(smx_host_t vm, ws_params_t params)
449 simcall_BODY_host_get_params(vm, params);
452 void simcall_host_set_params(smx_host_t vm, ws_params_t params)
454 simcall_BODY_host_set_params(vm, params);
458 * \ingroup simix_vm_management
459 * \brief Migrate the given VM to the given physical host
462 * \param host Destination physical host
464 void simcall_vm_migrate(smx_host_t vm, smx_host_t host)
466 simcall_BODY_vm_migrate(vm, host);
470 * \ingroup simix_vm_management
471 * \brief Suspend the given VM
475 void simcall_vm_suspend(smx_host_t vm)
477 simcall_BODY_vm_suspend(vm);
481 * \ingroup simix_vm_management
482 * \brief Resume the given VM
486 void simcall_vm_resume(smx_host_t vm)
488 simcall_BODY_vm_resume(vm);
492 * \ingroup simix_vm_management
493 * \brief Save the given VM
497 void simcall_vm_save(smx_host_t vm)
499 simcall_BODY_vm_save(vm);
503 * \ingroup simix_vm_management
504 * \brief Restore the given VM
508 void simcall_vm_restore(smx_host_t vm)
510 simcall_BODY_vm_restore(vm);
514 * \ingroup simix_vm_management
515 * \brief Shutdown the given VM
519 void simcall_vm_shutdown(smx_host_t vm)
521 simcall_BODY_vm_shutdown(vm);
525 * \ingroup simix_vm_management
526 * \brief Destroy the given VM
530 void simcall_vm_destroy(smx_host_t vm)
532 simcall_BODY_vm_destroy(vm);
535 Proc - vm_migratefrom_resumeto (void) (ind_vm, void*, smx_host_t)(ind_src_pm, void*, smx_host_t) (ind_dst_pm, void*, smx_host_t)
537 * \ingroup simix_vm_management
538 * \brief Encompassing simcall to prevent the removal of the src or the dst node at the end of a VM migration
539 * The simcall actually invokes the following calls:
540 * simcall_vm_set_affinity(vm, src_pm, 0);
541 * simcall_vm_migrate(vm, dst_pm);
542 * simcall_vm_resume(vm);
544 * It is called at the end of the migration_rx_fun function from msg/msg_vm.c
546 * \param vm VM to migrate
547 * \param src_pm Source physical host
548 * \param dst_pmt Destination physical host
551 void simcall_vm_migratefrom_resumeto(smx_host_t vm, smx_host_t src_pm, smx_host_t dst_pm)
553 simcall_BODY_vm_migratefrom_resumeto(vm, src_pm, dst_pm);
559 * \ingroup simix_process_management
560 * \brief Creates and runs a new SIMIX process.
562 * The structure and the corresponding thread are created and put in the list of ready processes.
564 * \param process the process created will be stored in this pointer
565 * \param name a name for the process. It is for user-level information and can be NULL.
566 * \param code the main function of the process
567 * \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.
568 * It can be retrieved with the function \ref simcall_process_get_data.
569 * \param hostname name of the host where the new agent is executed.
570 * \param kill_time time when the process is killed
571 * \param argc first argument passed to \a code
572 * \param argv second argument passed to \a code
573 * \param properties the properties of the process
574 * \param auto_restart either it is autorestarting or not.
576 void simcall_process_create(smx_process_t *process, const char *name,
577 xbt_main_func_t code,
579 const char *hostname,
581 int argc, char **argv,
582 xbt_dict_t properties,
585 simcall_BODY_process_create(process, name, code, data, hostname,
586 kill_time, argc, argv, properties,
591 * \ingroup simix_process_management
592 * \brief Kills a SIMIX process.
594 * This function simply kills a process.
596 * \param process poor victim
598 void simcall_process_kill(smx_process_t process)
600 simcall_BODY_process_kill(process);
604 * \ingroup simix_process_management
605 * \brief Kills all SIMIX processes.
607 void simcall_process_killall(int reset_pid)
609 simcall_BODY_process_killall(reset_pid);
613 * \ingroup simix_process_management
614 * \brief Cleans up a SIMIX process.
615 * \param process poor victim (must have already been killed)
617 void simcall_process_cleanup(smx_process_t process)
619 simcall_BODY_process_cleanup(process);
623 * \ingroup simix_process_management
624 * \brief Migrates an agent to another location.
626 * This function changes the value of the host on which \a process is running.
628 * \param process the process to migrate
629 * \param dest name of the new host
631 void simcall_process_change_host(smx_process_t process, smx_host_t dest)
633 simcall_BODY_process_change_host(process, dest);
636 void simcall_process_join(smx_process_t process, double timeout)
638 simcall_BODY_process_join(process, timeout);
642 * \ingroup simix_process_management
643 * \brief Suspends a process.
645 * This function suspends the process by suspending the synchro
646 * it was waiting for completion.
648 * \param process a SIMIX process
650 void simcall_process_suspend(smx_process_t process)
652 xbt_assert(process, "Invalid parameters");
654 simcall_BODY_process_suspend(process);
658 * \ingroup simix_process_management
659 * \brief Resumes a suspended process.
661 * This function resumes a suspended process by resuming the synchro
662 * it was waiting for completion.
664 * \param process a SIMIX process
666 void simcall_process_resume(smx_process_t process)
668 simcall_BODY_process_resume(process);
672 * \ingroup simix_process_management
673 * \brief Returns the amount of SIMIX processes in the system
675 * Maestro internal process is not counted, only user code processes are
677 int simcall_process_count(void)
679 return simcall_BODY_process_count();
683 * \ingroup simix_process_management
684 * \brief Return the PID of a #smx_process_t.
685 * \param process a SIMIX process
686 * \return the PID of this process
688 int simcall_process_get_PID(smx_process_t process)
690 if (process == SIMIX_process_self()) {
691 /* avoid a simcall if this function is called by the process itself */
692 return SIMIX_process_get_PID(process);
695 return simcall_BODY_process_get_PID(process);
699 * \ingroup simix_process_management
700 * \brief Return the parent PID of a #smx_process_t.
701 * \param process a SIMIX process
702 * \return the PID of this process parenrt
704 int simcall_process_get_PPID(smx_process_t process)
706 if (process == SIMIX_process_self()) {
707 /* avoid a simcall if this function is called by the process itself */
708 return SIMIX_process_get_PPID(process);
711 return simcall_BODY_process_get_PPID(process);
715 * \ingroup simix_process_management
716 * \brief Return the user data of a #smx_process_t.
717 * \param process a SIMIX process
718 * \return the user data of this process
720 void* simcall_process_get_data(smx_process_t process)
722 if (process == SIMIX_process_self()) {
723 /* avoid a simcall if this function is called by the process itself */
724 return SIMIX_process_get_data(process);
727 return simcall_BODY_process_get_data(process);
731 * \ingroup simix_process_management
732 * \brief Set the user data of a #smx_process_t.
734 * This functions sets the user data associated to \a process.
735 * \param process SIMIX process
736 * \param data User data
738 void simcall_process_set_data(smx_process_t process, void *data)
740 if (process == SIMIX_process_self()) {
741 /* avoid a simcall if this function is called by the process itself */
742 SIMIX_process_self_set_data(process, data);
745 simcall_BODY_process_set_data(process, data);
750 * \ingroup simix_process_management
751 * \brief Set the kill time of a process.
752 * \param process a process
753 * \param kill_time a double
755 void simcall_process_set_kill_time(smx_process_t process, double kill_time)
758 if (kill_time > SIMIX_get_clock()) {
759 if (simix_global->kill_process_function) {
760 XBT_DEBUG("Set kill time %f for process %s(%s)",kill_time, process->name,
761 sg_host_name(process->smx_host));
762 SIMIX_timer_set(kill_time, simix_global->kill_process_function, process);
768 * \ingroup simix_process_management
769 * \brief Return the location on which an agent is running.
771 * This functions returns the smx_host_t corresponding to the location on which
772 * \a process is running.
773 * \param process SIMIX process
776 smx_host_t simcall_process_get_host(smx_process_t process)
778 return simcall_BODY_process_get_host(process);
782 * \ingroup simix_process_management
783 * \brief Return the name of an agent.
785 * This functions checks whether \a process is a valid pointer or not and return its name.
786 * \param process SIMIX process
787 * \return The process name
789 const char* simcall_process_get_name(smx_process_t process)
791 if (process == SIMIX_process_self()) {
792 /* avoid a simcall if this function is called by the process itself */
793 return process->name;
795 return simcall_BODY_process_get_name(process);
799 * \ingroup simix_process_management
800 * \brief Returns true if the process is suspended .
802 * This checks whether a process is suspended or not by inspecting the task on which it was waiting for the completion.
803 * \param process SIMIX process
804 * \return 1, if the process is suspended, else 0.
806 int simcall_process_is_suspended(smx_process_t process)
808 return simcall_BODY_process_is_suspended(process);
812 * \ingroup simix_process_management
813 * \brief Return the properties
815 * This functions returns the properties associated with this process
817 xbt_dict_t simcall_process_get_properties(smx_process_t process)
819 return simcall_BODY_process_get_properties(process);
822 * \ingroup simix_process_management
823 * \brief Add an on_exit function
824 * Add an on_exit function which will be executed when the process exits/is killed.
826 XBT_PUBLIC(void) simcall_process_on_exit(smx_process_t process, int_f_pvoid_pvoid_t fun, void *data)
828 simcall_BODY_process_on_exit(process, fun, data);
831 * \ingroup simix_process_management
832 * \brief Sets the process to be auto-restarted or not by SIMIX when its host comes back up.
833 * Will restart the process when the host comes back up if auto_restart is set to 1.
836 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_process_t process, int auto_restart)
838 simcall_BODY_process_auto_restart_set(process, auto_restart);
842 * \ingroup simix_process_management
843 * \brief Restarts the process, killing it and starting it again from scratch.
845 XBT_PUBLIC(smx_process_t) simcall_process_restart(smx_process_t process)
847 return simcall_BODY_process_restart(process);
850 * \ingroup simix_process_management
851 * \brief Creates a new sleep SIMIX synchro.
853 * This function creates a SURF action and allocates the data necessary
854 * to create the SIMIX synchro. It can raise a host_error exception if the
855 * host crashed. The default SIMIX name of the synchro is "sleep".
857 * \param duration Time duration of the sleep.
858 * \return A result telling whether the sleep was successful
860 e_smx_state_t simcall_process_sleep(double duration)
862 /* checking for infinite values */
863 xbt_assert(isfinite(duration), "duration is not finite!");
864 return simcall_BODY_process_sleep(duration);
868 * \ingroup simix_rdv_management
869 * \brief Creates a new rendez-vous point
870 * \param name The name of the rendez-vous point
871 * \return The created rendez-vous point
873 smx_rdv_t simcall_rdv_create(const char *name)
875 return simcall_BODY_rdv_create(name);
880 * \ingroup simix_rdv_management
881 * \brief Destroy a rendez-vous point
882 * \param rdv The rendez-vous point to destroy
884 void simcall_rdv_destroy(smx_rdv_t rdv)
886 simcall_BODY_rdv_destroy(rdv);
889 * \ingroup simix_rdv_management
890 * \brief Returns a rendez-vous point knowing its name
892 smx_rdv_t simcall_rdv_get_by_name(const char *name)
894 xbt_assert(name != NULL, "Invalid parameter for simcall_rdv_get_by_name (name is NULL)");
896 /* FIXME: this is a horrible loss of performance, so we hack it out by
897 * skipping the simcall (for now). It works in parallel, it won't work on
898 * distributed but probably we will change MSG for that. */
900 return SIMIX_rdv_get_by_name(name);
904 * \ingroup simix_rdv_management
905 * \brief Counts the number of communication synchros of a given host pending
906 * on a rendez-vous point.
907 * \param rdv The rendez-vous point
908 * \param host The host to be counted
909 * \return The number of comm synchros pending in the rdv
911 int simcall_rdv_comm_count_by_host(smx_rdv_t rdv, smx_host_t host)
913 return simcall_BODY_rdv_comm_count_by_host(rdv, host);
917 * \ingroup simix_rdv_management
918 * \brief returns the communication at the head of the rendez-vous
919 * \param rdv The rendez-vous point
920 * \return The communication or NULL if empty
922 smx_synchro_t simcall_rdv_get_head(smx_rdv_t rdv)
924 return simcall_BODY_rdv_get_head(rdv);
927 void simcall_rdv_set_receiver(smx_rdv_t rdv, smx_process_t process)
929 simcall_BODY_rdv_set_receiver(rdv, process);
932 smx_process_t simcall_rdv_get_receiver(smx_rdv_t rdv)
934 return simcall_BODY_rdv_get_receiver(rdv);
938 * \ingroup simix_comm_management
940 void simcall_comm_send(smx_process_t src, smx_rdv_t rdv, double task_size, double rate,
941 void *src_buff, size_t src_buff_size,
942 int (*match_fun)(void *, void *, smx_synchro_t),
943 void (*copy_data_fun)(smx_synchro_t, void*, size_t), void *data,
946 /* checking for infinite values */
947 xbt_assert(isfinite(task_size), "task_size is not finite!");
948 xbt_assert(isfinite(rate), "rate is not finite!");
949 xbt_assert(isfinite(timeout), "timeout is not finite!");
951 xbt_assert(rdv, "No rendez-vous point defined for send");
953 if (MC_is_active() || MC_record_replay_is_active()) {
954 /* the model-checker wants two separate simcalls */
955 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
956 comm = simcall_comm_isend(src, rdv, task_size, rate,
957 src_buff, src_buff_size, match_fun, NULL, copy_data_fun, data, 0);
958 simcall_comm_wait(comm, timeout);
962 simcall_BODY_comm_send(src, rdv, task_size, rate, src_buff, src_buff_size,
963 match_fun, copy_data_fun, data, timeout);
968 * \ingroup simix_comm_management
970 smx_synchro_t simcall_comm_isend(smx_process_t src, smx_rdv_t rdv, double task_size, double rate,
971 void *src_buff, size_t src_buff_size,
972 int (*match_fun)(void *, void *, smx_synchro_t),
973 void (*clean_fun)(void *),
974 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
978 /* checking for infinite values */
979 xbt_assert(isfinite(task_size), "task_size is not finite!");
980 xbt_assert(isfinite(rate), "rate is not finite!");
982 xbt_assert(rdv, "No rendez-vous point defined for isend");
984 return simcall_BODY_comm_isend(src, rdv, task_size, rate, src_buff,
985 src_buff_size, match_fun,
986 clean_fun, copy_data_fun, data, detached);
990 * \ingroup simix_comm_management
992 void simcall_comm_recv(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
993 int (*match_fun)(void *, void *, smx_synchro_t),
994 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
995 void *data, double timeout, double rate)
997 xbt_assert(isfinite(timeout), "timeout is not finite!");
998 xbt_assert(rdv, "No rendez-vous point defined for recv");
1000 if (MC_is_active() || MC_record_replay_is_active()) {
1001 /* the model-checker wants two separate simcalls */
1002 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
1003 comm = simcall_comm_irecv(rdv, dst_buff, dst_buff_size,
1004 match_fun, copy_data_fun, data, rate);
1005 simcall_comm_wait(comm, timeout);
1009 simcall_BODY_comm_recv(rdv, dst_buff, dst_buff_size,
1010 match_fun, copy_data_fun, data, timeout, rate);
1014 * \ingroup simix_comm_management
1016 smx_synchro_t simcall_comm_irecv(smx_rdv_t rdv, void *dst_buff, size_t *dst_buff_size,
1017 int (*match_fun)(void *, void *, smx_synchro_t),
1018 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
1019 void *data, double rate)
1021 xbt_assert(rdv, "No rendez-vous point defined for irecv");
1023 return simcall_BODY_comm_irecv(rdv, dst_buff, dst_buff_size,
1024 match_fun, copy_data_fun, data, rate);
1028 * \ingroup simix_comm_management
1030 smx_synchro_t simcall_comm_iprobe(smx_rdv_t rdv, int type, int src, int tag,
1031 int (*match_fun)(void *, void *, smx_synchro_t), void *data)
1033 xbt_assert(rdv, "No rendez-vous point defined for iprobe");
1035 return simcall_BODY_comm_iprobe(rdv, type, src, tag, match_fun, data);
1039 * \ingroup simix_comm_management
1041 void simcall_comm_cancel(smx_synchro_t comm)
1043 simcall_BODY_comm_cancel(comm);
1047 * \ingroup simix_comm_management
1049 unsigned int simcall_comm_waitany(xbt_dynar_t comms)
1051 return simcall_BODY_comm_waitany(comms);
1055 * \ingroup simix_comm_management
1057 int simcall_comm_testany(xbt_dynar_t comms)
1059 if (xbt_dynar_is_empty(comms))
1061 return simcall_BODY_comm_testany(comms);
1065 * \ingroup simix_comm_management
1067 void simcall_comm_wait(smx_synchro_t comm, double timeout)
1069 xbt_assert(isfinite(timeout), "timeout is not finite!");
1070 simcall_BODY_comm_wait(comm, timeout);
1074 * \brief Set the category of an synchro.
1076 * This functions changes the category only. It calls a surf function.
1077 * \param execution The execution synchro
1078 * \param category The tracing category
1080 void simcall_set_category(smx_synchro_t synchro, const char *category)
1082 if (category == NULL) {
1085 simcall_BODY_set_category(synchro, category);
1089 * \ingroup simix_comm_management
1092 int simcall_comm_test(smx_synchro_t comm)
1094 return simcall_BODY_comm_test(comm);
1098 * \ingroup simix_comm_management
1101 double simcall_comm_get_remains(smx_synchro_t comm)
1103 return simcall_BODY_comm_get_remains(comm);
1107 * \ingroup simix_comm_management
1110 e_smx_state_t simcall_comm_get_state(smx_synchro_t comm)
1112 return simcall_BODY_comm_get_state(comm);
1116 * \ingroup simix_comm_management
1119 void *simcall_comm_get_src_data(smx_synchro_t comm)
1121 return simcall_BODY_comm_get_src_data(comm);
1125 * \ingroup simix_comm_management
1128 void *simcall_comm_get_dst_data(smx_synchro_t comm)
1130 return simcall_BODY_comm_get_dst_data(comm);
1134 * \ingroup simix_comm_management
1137 smx_process_t simcall_comm_get_src_proc(smx_synchro_t comm)
1139 return simcall_BODY_comm_get_src_proc(comm);
1143 * \ingroup simix_comm_management
1146 smx_process_t simcall_comm_get_dst_proc(smx_synchro_t comm)
1148 return simcall_BODY_comm_get_dst_proc(comm);
1151 #ifdef HAVE_LATENCY_BOUND_TRACKING
1152 int simcall_comm_is_latency_bounded(smx_synchro_t comm)
1154 return simcall_BODY_comm_is_latency_bounded(comm);
1159 * \ingroup simix_synchro_management
1162 smx_mutex_t simcall_mutex_init(void)
1165 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
1168 return simcall_BODY_mutex_init();
1172 * \ingroup simix_synchro_management
1175 void simcall_mutex_destroy(smx_mutex_t mutex)
1177 simcall_BODY_mutex_destroy(mutex);
1181 * \ingroup simix_synchro_management
1184 void simcall_mutex_lock(smx_mutex_t mutex)
1186 simcall_BODY_mutex_lock(mutex);
1190 * \ingroup simix_synchro_management
1193 int simcall_mutex_trylock(smx_mutex_t mutex)
1195 return simcall_BODY_mutex_trylock(mutex);
1199 * \ingroup simix_synchro_management
1202 void simcall_mutex_unlock(smx_mutex_t mutex)
1204 simcall_BODY_mutex_unlock(mutex);
1208 * \ingroup simix_synchro_management
1211 smx_cond_t simcall_cond_init(void)
1213 return simcall_BODY_cond_init();
1217 * \ingroup simix_synchro_management
1220 void simcall_cond_destroy(smx_cond_t cond)
1222 simcall_BODY_cond_destroy(cond);
1226 * \ingroup simix_synchro_management
1229 void simcall_cond_signal(smx_cond_t cond)
1231 simcall_BODY_cond_signal(cond);
1235 * \ingroup simix_synchro_management
1238 void simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex)
1240 simcall_BODY_cond_wait(cond, mutex);
1244 * \ingroup simix_synchro_management
1247 void simcall_cond_wait_timeout(smx_cond_t cond,
1251 xbt_assert(isfinite(timeout), "timeout is not finite!");
1252 simcall_BODY_cond_wait_timeout(cond, mutex, timeout);
1256 * \ingroup simix_synchro_management
1259 void simcall_cond_broadcast(smx_cond_t cond)
1261 simcall_BODY_cond_broadcast(cond);
1265 * \ingroup simix_synchro_management
1268 smx_sem_t simcall_sem_init(int capacity)
1270 return simcall_BODY_sem_init(capacity);
1274 * \ingroup simix_synchro_management
1277 void simcall_sem_destroy(smx_sem_t sem)
1279 simcall_BODY_sem_destroy(sem);
1283 * \ingroup simix_synchro_management
1286 void simcall_sem_release(smx_sem_t sem)
1288 simcall_BODY_sem_release(sem);
1292 * \ingroup simix_synchro_management
1295 int simcall_sem_would_block(smx_sem_t sem)
1297 return simcall_BODY_sem_would_block(sem);
1301 * \ingroup simix_synchro_management
1304 void simcall_sem_acquire(smx_sem_t sem)
1306 simcall_BODY_sem_acquire(sem);
1310 * \ingroup simix_synchro_management
1313 void simcall_sem_acquire_timeout(smx_sem_t sem, double timeout)
1315 xbt_assert(isfinite(timeout), "timeout is not finite!");
1316 simcall_BODY_sem_acquire_timeout(sem, timeout);
1320 * \ingroup simix_synchro_management
1323 int simcall_sem_get_capacity(smx_sem_t sem)
1325 return simcall_BODY_sem_get_capacity(sem);
1329 * \ingroup simix_file_management
1332 sg_size_t simcall_file_read(smx_file_t fd, sg_size_t size, smx_host_t host)
1334 return simcall_BODY_file_read(fd, size, host);
1338 * \ingroup simix_file_management
1341 sg_size_t simcall_file_write(smx_file_t fd, sg_size_t size, smx_host_t host)
1343 return simcall_BODY_file_write(fd, size, host);
1347 * \ingroup simix_file_management
1350 smx_file_t simcall_file_open(const char* fullpath, smx_host_t host)
1352 return simcall_BODY_file_open(fullpath, host);
1356 * \ingroup simix_file_management
1359 int simcall_file_close(smx_file_t fd, smx_host_t host)
1361 return simcall_BODY_file_close(fd, host);
1365 * \ingroup simix_file_management
1368 int simcall_file_unlink(smx_file_t fd, smx_host_t host)
1370 return simcall_BODY_file_unlink(fd, host);
1374 * \ingroup simix_file_management
1377 sg_size_t simcall_file_get_size(smx_file_t fd){
1378 return simcall_BODY_file_get_size(fd);
1382 * \ingroup simix_file_management
1385 sg_size_t simcall_file_tell(smx_file_t fd){
1386 return simcall_BODY_file_tell(fd);
1390 * \ingroup simix_file_management
1393 xbt_dynar_t simcall_file_get_info(smx_file_t fd)
1395 return simcall_BODY_file_get_info(fd);
1399 * \ingroup simix_file_management
1402 int simcall_file_seek(smx_file_t fd, sg_offset_t offset, int origin){
1403 return simcall_BODY_file_seek(fd, offset, origin);
1407 * \ingroup simix_file_management
1408 * \brief Move a file to another location on the *same mount point*.
1411 int simcall_file_move(smx_file_t fd, const char* fullpath)
1413 return simcall_BODY_file_move(fd, fullpath);
1417 * \ingroup simix_storage_management
1418 * \brief Returns the free space size on a given storage element.
1419 * \param storage a storage
1420 * \return Return the free space size on a given storage element (as sg_size_t)
1422 sg_size_t simcall_storage_get_free_size (smx_storage_t storage){
1423 return simcall_BODY_storage_get_free_size(storage);
1427 * \ingroup simix_storage_management
1428 * \brief Returns the used space size on a given storage element.
1429 * \param storage a storage
1430 * \return Return the used space size on a given storage element (as sg_size_t)
1432 sg_size_t simcall_storage_get_used_size (smx_storage_t storage){
1433 return simcall_BODY_storage_get_used_size(storage);
1437 * \ingroup simix_storage_management
1438 * \brief Returns the list of storages mounted on an host.
1439 * \param host A SIMIX host
1440 * \return a dict containing all storages mounted on the host
1442 xbt_dict_t simcall_host_get_mounted_storage_list(smx_host_t host)
1444 return simcall_BODY_host_get_mounted_storage_list(host);
1448 * \ingroup simix_storage_management
1449 * \brief Returns the list of storages attached to an host.
1450 * \param host A SIMIX host
1451 * \return a dict containing all storages attached to the host
1453 xbt_dynar_t simcall_host_get_attached_storage_list(smx_host_t host)
1455 return simcall_BODY_host_get_attached_storage_list(host);
1459 * \ingroup simix_storage_management
1460 * \brief Returns a dict of the properties assigned to a storage element.
1462 * \param storage A storage element
1463 * \return The properties of this storage element
1465 xbt_dict_t simcall_storage_get_properties(smx_storage_t storage)
1467 return simcall_BODY_storage_get_properties(storage);
1471 * \ingroup simix_storage_management
1472 * \brief Returns a dict containing the content of a storage element.
1474 * \param storage A storage element
1475 * \return The content of this storage element as a dict (full path file => size)
1477 xbt_dict_t simcall_storage_get_content(smx_storage_t storage)
1479 return simcall_BODY_storage_get_content(storage);
1486 void *simcall_mc_snapshot(void) {
1487 return simcall_BODY_mc_snapshot();
1490 int simcall_mc_compare_snapshots(void *s1, void *s2) {
1491 return simcall_BODY_mc_compare_snapshots(s1, s2);
1494 #endif /* HAVE_MC */
1496 int simcall_mc_random(int min, int max) {
1497 return simcall_BODY_mc_random(min, max);
1500 /* ************************************************************************** */
1502 /** @brief returns a printable string representing a simcall */
1503 const char *SIMIX_simcall_name(e_smx_simcall_t kind) {
1504 return simcall_names[kind];