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);
536 * \ingroup simix_vm_management
537 * \brief Encompassing simcall to prevent the removal of the src or the dst node at the end of a VM migration
538 * The simcall actually invokes the following calls:
539 * simcall_vm_set_affinity(vm, src_pm, 0);
540 * simcall_vm_migrate(vm, dst_pm);
541 * simcall_vm_resume(vm);
543 * It is called at the end of the migration_rx_fun function from msg/msg_vm.c
545 * \param vm VM to migrate
546 * \param src_pm Source physical host
547 * \param dst_pmt Destination physical host
549 void simcall_vm_migratefrom_resumeto(smx_host_t vm, smx_host_t src_pm, smx_host_t dst_pm)
551 simcall_BODY_vm_migratefrom_resumeto(vm, src_pm, dst_pm);
555 * \ingroup simix_process_management
556 * \brief Creates and runs a new SIMIX process.
558 * The structure and the corresponding thread are created and put in the list of ready processes.
560 * \param process the process created will be stored in this pointer
561 * \param name a name for the process. It is for user-level information and can be NULL.
562 * \param code the main function of the process
563 * \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.
564 * It can be retrieved with the function \ref simcall_process_get_data.
565 * \param hostname name of the host where the new agent is executed.
566 * \param kill_time time when the process is killed
567 * \param argc first argument passed to \a code
568 * \param argv second argument passed to \a code
569 * \param properties the properties of the process
570 * \param auto_restart either it is autorestarting or not.
572 void simcall_process_create(smx_process_t *process, const char *name,
573 xbt_main_func_t code,
575 const char *hostname,
577 int argc, char **argv,
578 xbt_dict_t properties,
581 simcall_BODY_process_create(process, name, code, data, hostname,
582 kill_time, argc, argv, properties,
587 * \ingroup simix_process_management
588 * \brief Kills a SIMIX process.
590 * This function simply kills a process.
592 * \param process poor victim
594 void simcall_process_kill(smx_process_t process)
596 simcall_BODY_process_kill(process);
600 * \ingroup simix_process_management
601 * \brief Kills all SIMIX processes.
603 void simcall_process_killall(int reset_pid)
605 simcall_BODY_process_killall(reset_pid);
609 * \ingroup simix_process_management
610 * \brief Cleans up a SIMIX process.
611 * \param process poor victim (must have already been killed)
613 void simcall_process_cleanup(smx_process_t process)
615 simcall_BODY_process_cleanup(process);
619 * \ingroup simix_process_management
620 * \brief Migrates an agent to another location.
622 * This function changes the value of the host on which \a process is running.
624 * \param process the process to migrate
625 * \param dest name of the new host
627 void simcall_process_change_host(smx_process_t process, smx_host_t dest)
629 simcall_BODY_process_change_host(process, dest);
632 void simcall_process_join(smx_process_t process, double timeout)
634 simcall_BODY_process_join(process, timeout);
638 * \ingroup simix_process_management
639 * \brief Suspends a process.
641 * This function suspends the process by suspending the synchro
642 * it was waiting for completion.
644 * \param process a SIMIX process
646 void simcall_process_suspend(smx_process_t process)
648 xbt_assert(process, "Invalid parameters");
650 simcall_BODY_process_suspend(process);
654 * \ingroup simix_process_management
655 * \brief Resumes a suspended process.
657 * This function resumes a suspended process by resuming the synchro
658 * it was waiting for completion.
660 * \param process a SIMIX process
662 void simcall_process_resume(smx_process_t process)
664 simcall_BODY_process_resume(process);
668 * \ingroup simix_process_management
669 * \brief Returns the amount of SIMIX processes in the system
671 * Maestro internal process is not counted, only user code processes are
673 int simcall_process_count(void)
675 return simcall_BODY_process_count();
679 * \ingroup simix_process_management
680 * \brief Return the PID of a #smx_process_t.
681 * \param process a SIMIX process
682 * \return the PID of this process
684 int simcall_process_get_PID(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_PID(process);
691 return simcall_BODY_process_get_PID(process);
695 * \ingroup simix_process_management
696 * \brief Return the parent PID of a #smx_process_t.
697 * \param process a SIMIX process
698 * \return the PID of this process parenrt
700 int simcall_process_get_PPID(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_PPID(process);
707 return simcall_BODY_process_get_PPID(process);
711 * \ingroup simix_process_management
712 * \brief Return the user data of a #smx_process_t.
713 * \param process a SIMIX process
714 * \return the user data of this process
716 void* simcall_process_get_data(smx_process_t process)
718 if (process == SIMIX_process_self()) {
719 /* avoid a simcall if this function is called by the process itself */
720 return SIMIX_process_get_data(process);
723 return simcall_BODY_process_get_data(process);
727 * \ingroup simix_process_management
728 * \brief Set the user data of a #smx_process_t.
730 * This functions sets the user data associated to \a process.
731 * \param process SIMIX process
732 * \param data User data
734 void simcall_process_set_data(smx_process_t process, void *data)
736 if (process == SIMIX_process_self()) {
737 /* avoid a simcall if this function is called by the process itself */
738 SIMIX_process_self_set_data(process, data);
741 simcall_BODY_process_set_data(process, data);
746 * \ingroup simix_process_management
747 * \brief Set the kill time of a process.
748 * \param process a process
749 * \param kill_time a double
751 void simcall_process_set_kill_time(smx_process_t process, double kill_time)
754 if (kill_time > SIMIX_get_clock()) {
755 if (simix_global->kill_process_function) {
756 XBT_DEBUG("Set kill time %f for process %s(%s)",kill_time, process->name,
757 sg_host_name(process->smx_host));
758 SIMIX_timer_set(kill_time, simix_global->kill_process_function, process);
764 * \ingroup simix_process_management
765 * \brief Return the location on which an agent is running.
767 * This functions returns the smx_host_t corresponding to the location on which
768 * \a process is running.
769 * \param process SIMIX process
772 smx_host_t simcall_process_get_host(smx_process_t process)
774 return simcall_BODY_process_get_host(process);
778 * \ingroup simix_process_management
779 * \brief Return the name of an agent.
781 * This functions checks whether \a process is a valid pointer or not and return its name.
782 * \param process SIMIX process
783 * \return The process name
785 const char* simcall_process_get_name(smx_process_t process)
787 if (process == SIMIX_process_self()) {
788 /* avoid a simcall if this function is called by the process itself */
789 return process->name;
791 return simcall_BODY_process_get_name(process);
795 * \ingroup simix_process_management
796 * \brief Returns true if the process is suspended .
798 * This checks whether a process is suspended or not by inspecting the task on which it was waiting for the completion.
799 * \param process SIMIX process
800 * \return 1, if the process is suspended, else 0.
802 int simcall_process_is_suspended(smx_process_t process)
804 return simcall_BODY_process_is_suspended(process);
808 * \ingroup simix_process_management
809 * \brief Return the properties
811 * This functions returns the properties associated with this process
813 xbt_dict_t simcall_process_get_properties(smx_process_t process)
815 return simcall_BODY_process_get_properties(process);
818 * \ingroup simix_process_management
819 * \brief Add an on_exit function
820 * Add an on_exit function which will be executed when the process exits/is killed.
822 XBT_PUBLIC(void) simcall_process_on_exit(smx_process_t process, int_f_pvoid_pvoid_t fun, void *data)
824 simcall_BODY_process_on_exit(process, fun, data);
827 * \ingroup simix_process_management
828 * \brief Sets the process to be auto-restarted or not by SIMIX when its host comes back up.
829 * Will restart the process when the host comes back up if auto_restart is set to 1.
832 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_process_t process, int auto_restart)
834 simcall_BODY_process_auto_restart_set(process, auto_restart);
838 * \ingroup simix_process_management
839 * \brief Restarts the process, killing it and starting it again from scratch.
841 XBT_PUBLIC(smx_process_t) simcall_process_restart(smx_process_t process)
843 return simcall_BODY_process_restart(process);
846 * \ingroup simix_process_management
847 * \brief Creates a new sleep SIMIX synchro.
849 * This function creates a SURF action and allocates the data necessary
850 * to create the SIMIX synchro. It can raise a host_error exception if the
851 * host crashed. The default SIMIX name of the synchro is "sleep".
853 * \param duration Time duration of the sleep.
854 * \return A result telling whether the sleep was successful
856 e_smx_state_t simcall_process_sleep(double duration)
858 /* checking for infinite values */
859 xbt_assert(isfinite(duration), "duration is not finite!");
860 return simcall_BODY_process_sleep(duration);
864 * \ingroup simix_rdv_management
865 * \brief Creates a new rendez-vous point
866 * \param name The name of the rendez-vous point
867 * \return The created rendez-vous point
869 smx_rdv_t simcall_rdv_create(const char *name)
871 return simcall_BODY_rdv_create(name);
876 * \ingroup simix_rdv_management
877 * \brief Destroy a rendez-vous point
878 * \param rdv The rendez-vous point to destroy
880 void simcall_rdv_destroy(smx_rdv_t rdv)
882 simcall_BODY_rdv_destroy(rdv);
885 * \ingroup simix_rdv_management
886 * \brief Returns a rendez-vous point knowing its name
888 smx_rdv_t simcall_rdv_get_by_name(const char *name)
890 xbt_assert(name != NULL, "Invalid parameter for simcall_rdv_get_by_name (name is NULL)");
892 /* FIXME: this is a horrible loss of performance, so we hack it out by
893 * skipping the simcall (for now). It works in parallel, it won't work on
894 * distributed but probably we will change MSG for that. */
896 return SIMIX_rdv_get_by_name(name);
900 * \ingroup simix_rdv_management
901 * \brief Counts the number of communication synchros of a given host pending
902 * on a rendez-vous point.
903 * \param rdv The rendez-vous point
904 * \param host The host to be counted
905 * \return The number of comm synchros pending in the rdv
907 int simcall_rdv_comm_count_by_host(smx_rdv_t rdv, smx_host_t host)
909 return simcall_BODY_rdv_comm_count_by_host(rdv, host);
913 * \ingroup simix_rdv_management
914 * \brief returns the communication at the head of the rendez-vous
915 * \param rdv The rendez-vous point
916 * \return The communication or NULL if empty
918 smx_synchro_t simcall_rdv_get_head(smx_rdv_t rdv)
920 return simcall_BODY_rdv_get_head(rdv);
923 void simcall_rdv_set_receiver(smx_rdv_t rdv, smx_process_t process)
925 simcall_BODY_rdv_set_receiver(rdv, process);
928 smx_process_t simcall_rdv_get_receiver(smx_rdv_t rdv)
930 return simcall_BODY_rdv_get_receiver(rdv);
934 * \ingroup simix_comm_management
936 void simcall_comm_send(smx_process_t src, smx_rdv_t rdv, double task_size, double rate,
937 void *src_buff, size_t src_buff_size,
938 int (*match_fun)(void *, void *, smx_synchro_t),
939 void (*copy_data_fun)(smx_synchro_t, void*, size_t), void *data,
942 /* checking for infinite values */
943 xbt_assert(isfinite(task_size), "task_size is not finite!");
944 xbt_assert(isfinite(rate), "rate is not finite!");
945 xbt_assert(isfinite(timeout), "timeout is not finite!");
947 xbt_assert(rdv, "No rendez-vous point defined for send");
949 if (MC_is_active() || MC_record_replay_is_active()) {
950 /* the model-checker wants two separate simcalls */
951 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
952 comm = simcall_comm_isend(src, rdv, task_size, rate,
953 src_buff, src_buff_size, match_fun, NULL, copy_data_fun, data, 0);
954 simcall_comm_wait(comm, timeout);
958 simcall_BODY_comm_send(src, rdv, task_size, rate, src_buff, src_buff_size,
959 match_fun, copy_data_fun, data, timeout);
964 * \ingroup simix_comm_management
966 smx_synchro_t simcall_comm_isend(smx_process_t src, smx_rdv_t rdv, double task_size, double rate,
967 void *src_buff, size_t src_buff_size,
968 int (*match_fun)(void *, void *, smx_synchro_t),
969 void (*clean_fun)(void *),
970 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
974 /* checking for infinite values */
975 xbt_assert(isfinite(task_size), "task_size is not finite!");
976 xbt_assert(isfinite(rate), "rate is not finite!");
978 xbt_assert(rdv, "No rendez-vous point defined for isend");
980 return simcall_BODY_comm_isend(src, rdv, task_size, rate, src_buff,
981 src_buff_size, match_fun,
982 clean_fun, copy_data_fun, data, detached);
986 * \ingroup simix_comm_management
988 void simcall_comm_recv(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
989 int (*match_fun)(void *, void *, smx_synchro_t),
990 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
991 void *data, double timeout, double rate)
993 xbt_assert(isfinite(timeout), "timeout is not finite!");
994 xbt_assert(rdv, "No rendez-vous point defined for recv");
996 if (MC_is_active() || MC_record_replay_is_active()) {
997 /* the model-checker wants two separate simcalls */
998 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
999 comm = simcall_comm_irecv(rdv, dst_buff, dst_buff_size,
1000 match_fun, copy_data_fun, data, rate);
1001 simcall_comm_wait(comm, timeout);
1005 simcall_BODY_comm_recv(rdv, dst_buff, dst_buff_size,
1006 match_fun, copy_data_fun, data, timeout, rate);
1010 * \ingroup simix_comm_management
1012 smx_synchro_t simcall_comm_irecv(smx_rdv_t rdv, void *dst_buff, size_t *dst_buff_size,
1013 int (*match_fun)(void *, void *, smx_synchro_t),
1014 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
1015 void *data, double rate)
1017 xbt_assert(rdv, "No rendez-vous point defined for irecv");
1019 return simcall_BODY_comm_irecv(rdv, dst_buff, dst_buff_size,
1020 match_fun, copy_data_fun, data, rate);
1024 * \ingroup simix_comm_management
1026 smx_synchro_t simcall_comm_iprobe(smx_rdv_t rdv, int type, int src, int tag,
1027 int (*match_fun)(void *, void *, smx_synchro_t), void *data)
1029 xbt_assert(rdv, "No rendez-vous point defined for iprobe");
1031 return simcall_BODY_comm_iprobe(rdv, type, src, tag, match_fun, data);
1035 * \ingroup simix_comm_management
1037 void simcall_comm_cancel(smx_synchro_t comm)
1039 simcall_BODY_comm_cancel(comm);
1043 * \ingroup simix_comm_management
1045 unsigned int simcall_comm_waitany(xbt_dynar_t comms)
1047 return simcall_BODY_comm_waitany(comms);
1051 * \ingroup simix_comm_management
1053 int simcall_comm_testany(xbt_dynar_t comms)
1055 if (xbt_dynar_is_empty(comms))
1057 return simcall_BODY_comm_testany(comms);
1061 * \ingroup simix_comm_management
1063 void simcall_comm_wait(smx_synchro_t comm, double timeout)
1065 xbt_assert(isfinite(timeout), "timeout is not finite!");
1066 simcall_BODY_comm_wait(comm, timeout);
1070 * \brief Set the category of an synchro.
1072 * This functions changes the category only. It calls a surf function.
1073 * \param execution The execution synchro
1074 * \param category The tracing category
1076 void simcall_set_category(smx_synchro_t synchro, const char *category)
1078 if (category == NULL) {
1081 simcall_BODY_set_category(synchro, category);
1085 * \ingroup simix_comm_management
1088 int simcall_comm_test(smx_synchro_t comm)
1090 return simcall_BODY_comm_test(comm);
1094 * \ingroup simix_comm_management
1097 double simcall_comm_get_remains(smx_synchro_t comm)
1099 return simcall_BODY_comm_get_remains(comm);
1103 * \ingroup simix_comm_management
1106 e_smx_state_t simcall_comm_get_state(smx_synchro_t comm)
1108 return simcall_BODY_comm_get_state(comm);
1112 * \ingroup simix_comm_management
1115 void *simcall_comm_get_src_data(smx_synchro_t comm)
1117 return simcall_BODY_comm_get_src_data(comm);
1121 * \ingroup simix_comm_management
1124 void *simcall_comm_get_dst_data(smx_synchro_t comm)
1126 return simcall_BODY_comm_get_dst_data(comm);
1130 * \ingroup simix_comm_management
1133 smx_process_t simcall_comm_get_src_proc(smx_synchro_t comm)
1135 return simcall_BODY_comm_get_src_proc(comm);
1139 * \ingroup simix_comm_management
1142 smx_process_t simcall_comm_get_dst_proc(smx_synchro_t comm)
1144 return simcall_BODY_comm_get_dst_proc(comm);
1147 #ifdef HAVE_LATENCY_BOUND_TRACKING
1148 int simcall_comm_is_latency_bounded(smx_synchro_t comm)
1150 return simcall_BODY_comm_is_latency_bounded(comm);
1155 * \ingroup simix_synchro_management
1158 smx_mutex_t simcall_mutex_init(void)
1161 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
1164 return simcall_BODY_mutex_init();
1168 * \ingroup simix_synchro_management
1171 void simcall_mutex_destroy(smx_mutex_t mutex)
1173 simcall_BODY_mutex_destroy(mutex);
1177 * \ingroup simix_synchro_management
1180 void simcall_mutex_lock(smx_mutex_t mutex)
1182 simcall_BODY_mutex_lock(mutex);
1186 * \ingroup simix_synchro_management
1189 int simcall_mutex_trylock(smx_mutex_t mutex)
1191 return simcall_BODY_mutex_trylock(mutex);
1195 * \ingroup simix_synchro_management
1198 void simcall_mutex_unlock(smx_mutex_t mutex)
1200 simcall_BODY_mutex_unlock(mutex);
1204 * \ingroup simix_synchro_management
1207 smx_cond_t simcall_cond_init(void)
1209 return simcall_BODY_cond_init();
1213 * \ingroup simix_synchro_management
1216 void simcall_cond_destroy(smx_cond_t cond)
1218 simcall_BODY_cond_destroy(cond);
1222 * \ingroup simix_synchro_management
1225 void simcall_cond_signal(smx_cond_t cond)
1227 simcall_BODY_cond_signal(cond);
1231 * \ingroup simix_synchro_management
1234 void simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex)
1236 simcall_BODY_cond_wait(cond, mutex);
1240 * \ingroup simix_synchro_management
1243 void simcall_cond_wait_timeout(smx_cond_t cond,
1247 xbt_assert(isfinite(timeout), "timeout is not finite!");
1248 simcall_BODY_cond_wait_timeout(cond, mutex, timeout);
1252 * \ingroup simix_synchro_management
1255 void simcall_cond_broadcast(smx_cond_t cond)
1257 simcall_BODY_cond_broadcast(cond);
1261 * \ingroup simix_synchro_management
1264 smx_sem_t simcall_sem_init(int capacity)
1266 return simcall_BODY_sem_init(capacity);
1270 * \ingroup simix_synchro_management
1273 void simcall_sem_destroy(smx_sem_t sem)
1275 simcall_BODY_sem_destroy(sem);
1279 * \ingroup simix_synchro_management
1282 void simcall_sem_release(smx_sem_t sem)
1284 simcall_BODY_sem_release(sem);
1288 * \ingroup simix_synchro_management
1291 int simcall_sem_would_block(smx_sem_t sem)
1293 return simcall_BODY_sem_would_block(sem);
1297 * \ingroup simix_synchro_management
1300 void simcall_sem_acquire(smx_sem_t sem)
1302 simcall_BODY_sem_acquire(sem);
1306 * \ingroup simix_synchro_management
1309 void simcall_sem_acquire_timeout(smx_sem_t sem, double timeout)
1311 xbt_assert(isfinite(timeout), "timeout is not finite!");
1312 simcall_BODY_sem_acquire_timeout(sem, timeout);
1316 * \ingroup simix_synchro_management
1319 int simcall_sem_get_capacity(smx_sem_t sem)
1321 return simcall_BODY_sem_get_capacity(sem);
1325 * \ingroup simix_file_management
1328 sg_size_t simcall_file_read(smx_file_t fd, sg_size_t size, smx_host_t host)
1330 return simcall_BODY_file_read(fd, size, host);
1334 * \ingroup simix_file_management
1337 sg_size_t simcall_file_write(smx_file_t fd, sg_size_t size, smx_host_t host)
1339 return simcall_BODY_file_write(fd, size, host);
1343 * \ingroup simix_file_management
1346 smx_file_t simcall_file_open(const char* fullpath, smx_host_t host)
1348 return simcall_BODY_file_open(fullpath, host);
1352 * \ingroup simix_file_management
1355 int simcall_file_close(smx_file_t fd, smx_host_t host)
1357 return simcall_BODY_file_close(fd, host);
1361 * \ingroup simix_file_management
1364 int simcall_file_unlink(smx_file_t fd, smx_host_t host)
1366 return simcall_BODY_file_unlink(fd, host);
1370 * \ingroup simix_file_management
1373 sg_size_t simcall_file_get_size(smx_file_t fd){
1374 return simcall_BODY_file_get_size(fd);
1378 * \ingroup simix_file_management
1381 sg_size_t simcall_file_tell(smx_file_t fd){
1382 return simcall_BODY_file_tell(fd);
1386 * \ingroup simix_file_management
1389 xbt_dynar_t simcall_file_get_info(smx_file_t fd)
1391 return simcall_BODY_file_get_info(fd);
1395 * \ingroup simix_file_management
1398 int simcall_file_seek(smx_file_t fd, sg_offset_t offset, int origin){
1399 return simcall_BODY_file_seek(fd, offset, origin);
1403 * \ingroup simix_file_management
1404 * \brief Move a file to another location on the *same mount point*.
1407 int simcall_file_move(smx_file_t fd, const char* fullpath)
1409 return simcall_BODY_file_move(fd, fullpath);
1413 * \ingroup simix_storage_management
1414 * \brief Returns the free space size on a given storage element.
1415 * \param storage a storage
1416 * \return Return the free space size on a given storage element (as sg_size_t)
1418 sg_size_t simcall_storage_get_free_size (smx_storage_t storage){
1419 return simcall_BODY_storage_get_free_size(storage);
1423 * \ingroup simix_storage_management
1424 * \brief Returns the used space size on a given storage element.
1425 * \param storage a storage
1426 * \return Return the used space size on a given storage element (as sg_size_t)
1428 sg_size_t simcall_storage_get_used_size (smx_storage_t storage){
1429 return simcall_BODY_storage_get_used_size(storage);
1433 * \ingroup simix_storage_management
1434 * \brief Returns the list of storages mounted on an host.
1435 * \param host A SIMIX host
1436 * \return a dict containing all storages mounted on the host
1438 xbt_dict_t simcall_host_get_mounted_storage_list(smx_host_t host)
1440 return simcall_BODY_host_get_mounted_storage_list(host);
1444 * \ingroup simix_storage_management
1445 * \brief Returns the list of storages attached to an host.
1446 * \param host A SIMIX host
1447 * \return a dict containing all storages attached to the host
1449 xbt_dynar_t simcall_host_get_attached_storage_list(smx_host_t host)
1451 return simcall_BODY_host_get_attached_storage_list(host);
1455 * \ingroup simix_storage_management
1456 * \brief Returns a dict of the properties assigned to a storage element.
1458 * \param storage A storage element
1459 * \return The properties of this storage element
1461 xbt_dict_t simcall_storage_get_properties(smx_storage_t storage)
1463 return simcall_BODY_storage_get_properties(storage);
1467 * \ingroup simix_storage_management
1468 * \brief Returns a dict containing the content of a storage element.
1470 * \param storage A storage element
1471 * \return The content of this storage element as a dict (full path file => size)
1473 xbt_dict_t simcall_storage_get_content(smx_storage_t storage)
1475 return simcall_BODY_storage_get_content(storage);
1482 void *simcall_mc_snapshot(void) {
1483 return simcall_BODY_mc_snapshot();
1486 int simcall_mc_compare_snapshots(void *s1, void *s2) {
1487 return simcall_BODY_mc_compare_snapshots(s1, s2);
1490 #endif /* HAVE_MC */
1492 int simcall_mc_random(int min, int max) {
1493 return simcall_BODY_mc_random(min, max);
1496 /* ************************************************************************** */
1498 /** @brief returns a printable string representing a simcall */
1499 const char *SIMIX_simcall_name(e_smx_simcall_t kind) {
1500 return simcall_names[kind];