1 /* Copyright (c) 2007-2010, 2012-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
13 #include "xbt/function_types.h"
14 #include "xbt/parmap.h"
16 #include "simgrid/datatypes.h"
17 #include "simgrid/host.h"
25 /** @brief Process datatype
26 @ingroup simix_process_management
28 A process may be defined as a <em>code</em>, with some <em>private
29 data</em>, executing in a <em>location</em>.
30 \see m_process_management
39 typedef simgrid::simix::Context *smx_context_t;
40 typedef simgrid::simix::Process *smx_process_t;
44 typedef struct s_smx_context *smx_context_t;
45 typedef struct s_smx_process *smx_process_t;
53 /**************************** Scalar Values **********************************/
55 typedef union u_smx_scalar u_smx_scalar_t;
57 /* ******************************** Host ************************************ */
58 /** @brief Host datatype
59 @ingroup simix_host_management
61 A <em>location</em> (or <em>host</em>) is any possible place where
62 a process may run. Thus it is represented as a <em>physical
63 resource with computing capabilities</em>, some <em>mailboxes</em>
64 to enable running process to communicate with remote ones, and
65 some <em>private data</em> that can be only accessed by local
68 \see m_host_management
77 SIMIX_SRC_HOST_FAILURE,
78 SIMIX_DST_HOST_FAILURE,
85 /* ******************************** Synchro ************************************ */
87 * \ingroup simix_synchro_management
89 typedef struct s_smx_mutex *smx_mutex_t;
91 * \ingroup simix_synchro_management
93 typedef struct s_smx_cond *smx_cond_t;
95 * \ingroup simix_synchro_management
97 typedef struct s_smx_sem *smx_sem_t;
99 /********************************** File *************************************/
100 typedef struct s_smx_file *smx_file_t;
102 /********************************** Storage *************************************/
103 typedef xbt_dictelm_t smx_storage_t;
104 typedef struct s_smx_storage_priv *smx_storage_priv_t;
106 /* ****************************** Process *********************************** */
109 SMX_EXIT_SUCCESS = 0,
111 } smx_process_exit_status_t;
114 /******************************* Networking ***********************************/
116 * \ingroup simix_mbox_management
118 typedef struct s_smx_mailbox *smx_mailbox_t;
120 /* Process creation/destruction callbacks */
121 typedef void (*void_pfn_smxprocess_t) (smx_process_t);
122 /* for auto-restart function */
123 typedef void (*void_pfn_sghost_t) (sg_host_t);
125 extern int smx_context_stack_size;
126 extern int smx_context_stack_size_was_set;
127 extern int smx_context_guard_size;
128 extern int smx_context_guard_size_was_set;
130 XBT_PUBLIC(xbt_dynar_t) SIMIX_process_get_runnable(void);
131 XBT_PUBLIC(smx_process_t) SIMIX_process_from_PID(int PID);
132 XBT_PUBLIC(xbt_dynar_t) SIMIX_processes_as_dynar(void);
135 XBT_PUBLIC(int) SIMIX_context_is_parallel(void);
136 XBT_PUBLIC(int) SIMIX_context_get_nthreads(void);
137 XBT_PUBLIC(void) SIMIX_context_set_nthreads(int nb_threads);
138 XBT_PUBLIC(int) SIMIX_context_get_parallel_threshold(void);
139 XBT_PUBLIC(void) SIMIX_context_set_parallel_threshold(int threshold);
140 XBT_PUBLIC(e_xbt_parmap_mode_t) SIMIX_context_get_parallel_mode(void);
141 XBT_PUBLIC(void) SIMIX_context_set_parallel_mode(e_xbt_parmap_mode_t mode);
142 XBT_PUBLIC(int) SIMIX_is_maestro();
145 /********************************** Global ************************************/
146 /* Initialization and exit */
147 XBT_PUBLIC(void) SIMIX_global_init(int *argc, char **argv);
149 /* Set to execute in the maestro
151 * If no maestro code is registered (the default), the main thread
152 * is assumed to be the maestro. */
153 XBT_PUBLIC(void) SIMIX_set_maestro(void (*code)(void*), void* data);
155 XBT_PUBLIC(void) SIMIX_function_register_process_cleanup(void_pfn_smxprocess_t function);
156 XBT_PUBLIC(void) SIMIX_function_register_process_kill(void_pfn_smxprocess_t function);
158 /* Simulation execution */
159 XBT_PUBLIC(void) SIMIX_run(void);
160 XBT_PUBLIC(double) SIMIX_get_clock(void);
162 /* Timer functions FIXME: should these be public? */
163 typedef struct s_smx_timer* smx_timer_t;
165 XBT_PUBLIC(smx_timer_t) SIMIX_timer_set(double date, void (*function)(void*), void *arg);
166 XBT_PUBLIC(void) SIMIX_timer_remove(smx_timer_t timer);
167 XBT_PUBLIC(double) SIMIX_timer_next(void);
168 XBT_PUBLIC(double) SIMIX_timer_get_date(smx_timer_t timer);
170 XBT_PUBLIC(void) SIMIX_display_process_status(void);
172 /******************************* Environment **********************************/
173 XBT_PUBLIC(void) SIMIX_create_environment(const char *file);
175 /******************************** Deployment **********************************/
177 XBT_PUBLIC(void) SIMIX_function_register(const char *name, xbt_main_func_t code);
178 XBT_PUBLIC(void) SIMIX_function_register_default(xbt_main_func_t code);
179 XBT_PUBLIC(xbt_main_func_t) SIMIX_get_registered_function(const char *name);
180 XBT_PUBLIC(void) SIMIX_init_application(void);
181 XBT_PUBLIC(void) SIMIX_launch_application(const char *file);
183 XBT_PUBLIC(void) SIMIX_process_set_function(const char* process_host,
184 const char *process_function,
185 xbt_dynar_t arguments,
186 double process_start_time,
187 double process_kill_time);
189 /*********************************** Host *************************************/
190 /* Functions for running a process in main()
192 * 1. create the maestro process
193 * 2. attach (create a context and wait for maestro to give control back to you)
194 * 3. do you process job
195 * 4. detach (this waits for the simulation to terminate)
198 XBT_PUBLIC(void) SIMIX_maestro_create(void (*code)(void*), void* data);
199 XBT_PUBLIC(smx_process_t) SIMIX_process_attach(
202 const char* hostname,
203 xbt_dict_t properties,
204 smx_process_t parent_process);
205 XBT_PUBLIC(void) SIMIX_process_detach(void);
207 /*********************************** Host *************************************/
208 XBT_PUBLIC(sg_host_t) SIMIX_host_self(void);
209 XBT_PUBLIC(const char*) SIMIX_host_self_get_name(void);
210 XBT_PUBLIC(void) SIMIX_host_on(sg_host_t host);
211 XBT_PUBLIC(void) SIMIX_host_off(sg_host_t host, smx_process_t issuer);
212 XBT_PUBLIC(void) SIMIX_host_self_set_data(void *data);
213 XBT_PUBLIC(void*) SIMIX_host_self_get_data(void);
215 /********************************* Process ************************************/
216 XBT_PUBLIC(int) SIMIX_process_count(void);
217 XBT_PUBLIC(smx_process_t) SIMIX_process_self(void);
218 XBT_PUBLIC(const char*) SIMIX_process_self_get_name(void);
219 XBT_PUBLIC(void) SIMIX_process_self_set_data(void *data);
220 XBT_PUBLIC(void*) SIMIX_process_self_get_data(void);
221 XBT_PUBLIC(smx_context_t) SIMIX_process_get_context(smx_process_t);
222 XBT_PUBLIC(void) SIMIX_process_set_context(smx_process_t p,smx_context_t c);
223 XBT_PUBLIC(int) SIMIX_process_has_pending_comms(smx_process_t process);
224 XBT_PUBLIC(void) SIMIX_process_on_exit_runall(smx_process_t process);
225 XBT_PUBLIC(void) SIMIX_process_on_exit(smx_process_t process, int_f_pvoid_pvoid_t fun, void *data);
226 XBT_PUBLIC(xbt_main_func_t) SIMIX_process_get_code(void);
228 /****************************** Communication *********************************/
229 XBT_PUBLIC(void) SIMIX_comm_set_copy_data_callback(void (*callback) (smx_synchro_t, void*, size_t));
230 XBT_PUBLIC(void) SIMIX_comm_copy_pointer_callback(smx_synchro_t comm, void* buff, size_t buff_size);
231 XBT_PUBLIC(void) SIMIX_comm_copy_buffer_callback(smx_synchro_t comm, void* buff, size_t buff_size);
233 XBT_PUBLIC(smx_synchro_t) SIMIX_comm_get_send_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
234 XBT_PUBLIC(int) SIMIX_comm_has_send_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
235 XBT_PUBLIC(int) SIMIX_comm_has_recv_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
236 XBT_PUBLIC(void) SIMIX_comm_finish(smx_synchro_t synchro);
238 /******************************************************************************/
240 /******************************************************************************/
241 /* These functions are a system call-like interface to the simulation kernel. */
242 /* They can also be called from maestro's context, and they are thread safe. */
243 /******************************************************************************/
245 XBT_PUBLIC(void) simcall_call(smx_process_t process);
247 /******************************* Host simcalls ********************************/
248 XBT_PUBLIC(void) simcall_host_set_data(sg_host_t host, void *data);
250 XBT_PUBLIC(smx_synchro_t) simcall_execution_start(const char *name,
252 double priority, double bound, unsigned long affinity_mask);
253 XBT_PUBLIC(smx_synchro_t) simcall_execution_parallel_start(const char *name,
255 sg_host_t *host_list,
256 double *flops_amount,
257 double *bytes_amount,
260 XBT_PUBLIC(void) simcall_execution_cancel(smx_synchro_t execution);
261 XBT_PUBLIC(void) simcall_execution_set_priority(smx_synchro_t execution, double priority);
262 XBT_PUBLIC(void) simcall_execution_set_bound(smx_synchro_t execution, double bound);
263 XBT_PUBLIC(void) simcall_execution_set_affinity(smx_synchro_t execution, sg_host_t host, unsigned long mask);
264 XBT_PUBLIC(e_smx_state_t) simcall_execution_wait(smx_synchro_t execution);
266 /******************************* VM simcalls ********************************/
267 // Create the vm_workstation at the SURF level
268 XBT_PUBLIC(void*) simcall_vm_create(const char *name, sg_host_t host);
269 XBT_PUBLIC(int) simcall_vm_get_state(sg_host_t vm);
270 XBT_PUBLIC(void) simcall_vm_start(sg_host_t vm);
271 XBT_PUBLIC(void) simcall_vm_migrate(sg_host_t vm, sg_host_t dst_pm);
272 XBT_PUBLIC(void *) simcall_vm_get_pm(sg_host_t vm);
273 XBT_PUBLIC(void) simcall_vm_set_bound(sg_host_t vm, double bound);
274 XBT_PUBLIC(void) simcall_vm_set_affinity(sg_host_t vm, sg_host_t pm, unsigned long mask);
275 XBT_PUBLIC(void) simcall_vm_resume(sg_host_t vm);
276 XBT_PUBLIC(void) simcall_vm_migratefrom_resumeto(sg_host_t vm, sg_host_t src_pm, sg_host_t dst_pm);
277 XBT_PUBLIC(void) simcall_vm_save(sg_host_t vm);
278 XBT_PUBLIC(void) simcall_vm_restore(sg_host_t vm);
279 XBT_PUBLIC(void) simcall_vm_suspend(sg_host_t vm);
280 XBT_PUBLIC(void) simcall_vm_destroy(sg_host_t vm);
281 XBT_PUBLIC(void) simcall_vm_shutdown(sg_host_t vm);
283 /**************************** Process simcalls ********************************/
284 /* Constructor and Destructor */
285 XBT_PUBLIC(smx_process_t) simcall_process_create(const char *name,
286 xbt_main_func_t code,
288 const char *hostname,
290 int argc, char **argv,
291 xbt_dict_t properties,
294 XBT_PUBLIC(void) simcall_process_kill(smx_process_t process);
295 XBT_PUBLIC(void) simcall_process_killall(int reset_pid);
296 XBT_PUBLIC(void) SIMIX_process_throw(smx_process_t process, xbt_errcat_t cat, int value, const char *msg);
299 /* Process handling */
300 XBT_PUBLIC(void) simcall_process_cleanup(smx_process_t process);
301 XBT_PUBLIC(void) simcall_process_suspend(smx_process_t process);
302 XBT_PUBLIC(void) simcall_process_resume(smx_process_t process);
304 /* Getters and Setters */
305 XBT_PUBLIC(int) simcall_process_count(void);
306 XBT_PUBLIC(void *) simcall_process_get_data(smx_process_t process);
307 XBT_PUBLIC(void) simcall_process_set_data(smx_process_t process, void *data);
308 XBT_PUBLIC(void) simcall_process_set_host(smx_process_t process, sg_host_t dest);
309 XBT_PUBLIC(sg_host_t) simcall_process_get_host(smx_process_t process);
310 XBT_PUBLIC(const char *) simcall_process_get_name(smx_process_t process);
311 XBT_PUBLIC(int) simcall_process_get_PID(smx_process_t process);
312 XBT_PUBLIC(int) simcall_process_get_PPID(smx_process_t process);
313 XBT_PUBLIC(int) simcall_process_is_suspended(smx_process_t process);
314 XBT_PUBLIC(xbt_dict_t) simcall_process_get_properties(smx_process_t host);
315 XBT_PUBLIC(void) simcall_process_set_kill_time(smx_process_t process, double kill_time);
316 XBT_PUBLIC(double) simcall_process_get_kill_time(smx_process_t process);
317 XBT_PUBLIC(void) simcall_process_on_exit(smx_process_t process, int_f_pvoid_pvoid_t fun, void *data);
318 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_process_t process, int auto_restart);
319 XBT_PUBLIC(smx_process_t) simcall_process_restart(smx_process_t process);
320 XBT_PUBLIC(void) simcall_process_join(smx_process_t process, double timeout);
322 XBT_PUBLIC(e_smx_state_t) simcall_process_sleep(double duration);
324 /************************** Comunication simcalls *****************************/
325 /***** Rendez-vous points *****/
327 XBT_PUBLIC(smx_mailbox_t) simcall_mbox_create(const char *name);
328 XBT_PUBLIC(smx_mailbox_t) simcall_mbox_get_by_name(const char *name);
329 XBT_PUBLIC(smx_synchro_t) simcall_mbox_front(smx_mailbox_t mbox);
330 XBT_PUBLIC(void) simcall_mbox_set_receiver(smx_mailbox_t mbox , smx_process_t process);
332 /***** Communication simcalls *****/
334 XBT_PUBLIC(void) simcall_comm_send(smx_process_t sender, smx_mailbox_t mbox, double task_size,
335 double rate, void *src_buff,
336 size_t src_buff_size,
337 int (*match_fun)(void *, void *, smx_synchro_t),
338 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
339 void *data, double timeout);
341 XBT_PUBLIC(smx_synchro_t) simcall_comm_isend(smx_process_t sender, smx_mailbox_t mbox,
343 double rate, void *src_buff,
344 size_t src_buff_size,
345 int (*match_fun)(void *, void *, smx_synchro_t),
346 void (*clean_fun)(void *),
347 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
348 void *data, int detached);
350 XBT_PUBLIC(void) simcall_comm_recv(smx_process_t receiver, smx_mailbox_t mbox, void *dst_buff,
351 size_t * dst_buff_size,
352 int (*match_fun)(void *, void *, smx_synchro_t),
353 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
354 void *data, double timeout, double rate);
356 XBT_PUBLIC(smx_synchro_t) simcall_comm_irecv(smx_process_t receiver, smx_mailbox_t mbox, void *dst_buff,
357 size_t * dst_buff_size,
358 int (*match_fun)(void *, void *, smx_synchro_t),
359 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
360 void *data, double rate);
362 XBT_PUBLIC(smx_synchro_t) simcall_comm_iprobe(smx_mailbox_t mbox, int type, int src, int tag,
363 int (*match_fun)(void *, void *, smx_synchro_t), void *data);
364 XBT_PUBLIC(void) simcall_comm_cancel(smx_synchro_t comm);
366 /* FIXME: waitany is going to be a vararg function, and should take a timeout */
367 XBT_PUBLIC(unsigned int) simcall_comm_waitany(xbt_dynar_t comms);
368 XBT_PUBLIC(void) simcall_comm_wait(smx_synchro_t comm, double timeout);
369 XBT_PUBLIC(int) simcall_comm_test(smx_synchro_t comm);
370 XBT_PUBLIC(int) simcall_comm_testany(xbt_dynar_t comms);
372 /************************** Tracing handling **********************************/
373 XBT_PUBLIC(void) simcall_set_category(smx_synchro_t synchro, const char *category);
375 /************************** Synchro simcalls **********************************/
376 XBT_PUBLIC(smx_mutex_t) simcall_mutex_init(void);
377 XBT_PUBLIC(void) SIMIX_mutex_destroy(smx_mutex_t mutex);
378 XBT_PUBLIC(void) simcall_mutex_lock(smx_mutex_t mutex);
379 XBT_PUBLIC(int) simcall_mutex_trylock(smx_mutex_t mutex);
380 XBT_PUBLIC(void) simcall_mutex_unlock(smx_mutex_t mutex);
382 XBT_PUBLIC(smx_cond_t) simcall_cond_init(void);
383 XBT_PUBLIC(void) SIMIX_cond_destroy(smx_cond_t cond);
384 XBT_PUBLIC(void) simcall_cond_signal(smx_cond_t cond);
385 XBT_PUBLIC(void) simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex);
386 XBT_PUBLIC(void) simcall_cond_wait_timeout(smx_cond_t cond,
388 double max_duration);
389 XBT_PUBLIC(void) simcall_cond_broadcast(smx_cond_t cond);
391 XBT_PUBLIC(smx_sem_t) simcall_sem_init(int capacity);
392 XBT_PUBLIC(void) SIMIX_sem_destroy(smx_sem_t sem);
393 XBT_PUBLIC(void) simcall_sem_release(smx_sem_t sem);
394 XBT_PUBLIC(int) simcall_sem_would_block(smx_sem_t sem);
395 XBT_PUBLIC(void) simcall_sem_acquire(smx_sem_t sem);
396 XBT_PUBLIC(void) simcall_sem_acquire_timeout(smx_sem_t sem,
397 double max_duration);
398 XBT_PUBLIC(int) simcall_sem_get_capacity(smx_sem_t sem);
400 /***************************** File **********************************/
401 XBT_PUBLIC(void *) simcall_file_get_data(smx_file_t fd);
402 XBT_PUBLIC(void) simcall_file_set_data(smx_file_t fd, void *data);
403 XBT_PUBLIC(sg_size_t) simcall_file_read(smx_file_t fd, sg_size_t size, sg_host_t host);
404 XBT_PUBLIC(sg_size_t) simcall_file_write(smx_file_t fd, sg_size_t size, sg_host_t host);
405 XBT_PUBLIC(smx_file_t) simcall_file_open(const char* fullpath, sg_host_t host);
406 XBT_PUBLIC(int) simcall_file_close(smx_file_t fd, sg_host_t host);
407 XBT_PUBLIC(int) simcall_file_unlink(smx_file_t fd, sg_host_t host);
408 XBT_PUBLIC(sg_size_t) simcall_file_get_size(smx_file_t fd);
409 XBT_PUBLIC(xbt_dynar_t) simcall_file_get_info(smx_file_t fd);
410 XBT_PUBLIC(sg_size_t) simcall_file_tell(smx_file_t fd);
411 XBT_PUBLIC(int) simcall_file_seek(smx_file_t fd, sg_offset_t offset, int origin);
412 XBT_PUBLIC(int) simcall_file_move(smx_file_t fd, const char* fullpath);
413 /***************************** Storage **********************************/
414 XBT_PUBLIC(sg_size_t) simcall_storage_get_free_size (smx_storage_t storage);
415 XBT_PUBLIC(sg_size_t) simcall_storage_get_used_size (smx_storage_t storage);
416 XBT_PUBLIC(xbt_dict_t) simcall_storage_get_properties(smx_storage_t storage);
417 XBT_PUBLIC(void*) SIMIX_storage_get_data(smx_storage_t storage);
418 XBT_PUBLIC(void) SIMIX_storage_set_data(smx_storage_t storage, void *data);
419 XBT_PUBLIC(xbt_dict_t) SIMIX_storage_get_content(smx_storage_t storage);
420 XBT_PUBLIC(xbt_dict_t) simcall_storage_get_content(smx_storage_t storage);
421 XBT_PUBLIC(const char*) SIMIX_storage_get_name(smx_storage_t storage);
422 XBT_PUBLIC(sg_size_t) SIMIX_storage_get_size(smx_storage_t storage);
423 XBT_PUBLIC(const char*) SIMIX_storage_get_host(smx_storage_t storage);
424 /************************** AS router **********************************/
425 XBT_PUBLIC(xbt_dict_t) SIMIX_asr_get_properties(const char *name);
426 /************************** AS router simcalls ***************************/
427 XBT_PUBLIC(xbt_dict_t) simcall_asr_get_properties(const char *name);
429 /************************** MC simcalls **********************************/
430 XBT_PUBLIC(int) simcall_mc_random(int min, int max);
433 #endif /* _SIMIX_SIMIX_H */