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. */
10 #include "simgrid/datatypes.h"
11 #include "simgrid/host.h"
13 #include "xbt/parmap.h"
30 /** @brief Process datatype
31 @ingroup simix_process_management
33 A process may be defined as a <em>code</em>, with some <em>private
34 data</em>, executing in a <em>location</em>.
35 \see m_process_management
42 typedef simgrid::kernel::context::Context* smx_context_t;
43 typedef simgrid::simix::ActorImpl* smx_actor_t;
44 typedef simgrid::simix::Mutex* smx_mutex_t;
45 typedef simgrid::kernel::activity::MailboxImpl* smx_mailbox_t;
49 typedef struct s_smx_context *smx_context_t;
50 typedef struct s_smx_actor *smx_actor_t;
51 typedef struct s_smx_mutex *smx_mutex_t;
52 typedef struct s_smx_mailbox *smx_mailbox_t;
56 /**************************** Scalar Values **********************************/
58 typedef union u_smx_scalar u_smx_scalar_t;
60 /* ******************************** Host ************************************ */
61 /** @brief Host datatype
62 @ingroup simix_host_management
64 A <em>location</em> (or <em>host</em>) is any possible place where
65 a process may run. Thus it is represented as a <em>physical
66 resource with computing capabilities</em>, some <em>mailboxes</em>
67 to enable running process to communicate with remote ones, and
68 some <em>private data</em> that can be only accessed by local
71 \see m_host_management
80 SIMIX_SRC_HOST_FAILURE,
81 SIMIX_DST_HOST_FAILURE,
89 /* ******************************** Synchro ************************************ */
92 * \ingroup simix_synchro_management
94 typedef struct s_smx_cond *smx_cond_t;
96 * \ingroup simix_synchro_management
98 typedef struct s_smx_sem *smx_sem_t;
100 /********************************** File *************************************/
101 typedef struct s_smx_file *smx_file_t;
103 /********************************** Storage *************************************/
104 typedef xbt_dictelm_t smx_storage_t;
105 typedef struct s_smx_storage_priv *smx_storage_priv_t;
107 /* ****************************** Process *********************************** */
110 SMX_EXIT_SUCCESS = 0,
112 } smx_process_exit_status_t;
115 /******************************* Networking ***********************************/
117 /* Process creation/destruction callbacks */
118 typedef void (*void_pfn_smxprocess_t) (smx_actor_t);
119 /* for auto-restart function */
120 typedef void (*void_pfn_sghost_t) (sg_host_t);
122 extern int smx_context_stack_size;
123 extern int smx_context_stack_size_was_set;
124 extern int smx_context_guard_size;
125 extern int smx_context_guard_size_was_set;
129 XBT_PUBLIC(xbt_dynar_t) SIMIX_process_get_runnable();
130 XBT_PUBLIC(smx_actor_t) SIMIX_process_from_PID(int PID);
131 XBT_PUBLIC(xbt_dynar_t) SIMIX_processes_as_dynar();
134 XBT_PUBLIC(int) SIMIX_context_is_parallel();
135 XBT_PUBLIC(int) SIMIX_context_get_nthreads();
136 XBT_PUBLIC(void) SIMIX_context_set_nthreads(int nb_threads);
137 XBT_PUBLIC(int) SIMIX_context_get_parallel_threshold();
138 XBT_PUBLIC(void) SIMIX_context_set_parallel_threshold(int threshold);
139 XBT_PUBLIC(e_xbt_parmap_mode_t) SIMIX_context_get_parallel_mode();
140 XBT_PUBLIC(void) SIMIX_context_set_parallel_mode(e_xbt_parmap_mode_t mode);
141 XBT_PUBLIC(int) SIMIX_is_maestro();
144 /********************************** Global ************************************/
145 /* Initialization and exit */
146 XBT_PUBLIC(void) SIMIX_global_init(int *argc, char **argv);
148 /* Set to execute in the maestro
150 * If no maestro code is registered (the default), the main thread
151 * is assumed to be the maestro. */
152 XBT_PUBLIC(void) SIMIX_set_maestro(void (*code)(void*), void* data);
154 XBT_PUBLIC(void) SIMIX_function_register_process_cleanup(void_pfn_smxprocess_t function);
155 XBT_PUBLIC(void) SIMIX_function_register_process_kill(void_pfn_smxprocess_t function);
157 /* Simulation execution */
158 XBT_PUBLIC(void) SIMIX_run();
159 XBT_PUBLIC(double) SIMIX_get_clock();
161 /* Timer functions FIXME: should these be public? */
162 typedef struct s_smx_timer* smx_timer_t;
164 XBT_PUBLIC(smx_timer_t) SIMIX_timer_set(double date, void (*function)(void*), void *arg);
165 XBT_PUBLIC(void) SIMIX_timer_remove(smx_timer_t timer);
166 XBT_PUBLIC(double) SIMIX_timer_next();
167 XBT_PUBLIC(double) SIMIX_timer_get_date(smx_timer_t timer);
169 XBT_PUBLIC(void) SIMIX_display_process_status();
171 /******************************* Environment **********************************/
172 XBT_PUBLIC(void) SIMIX_create_environment(const char *file);
174 /******************************** Deployment **********************************/
176 XBT_PUBLIC(void) SIMIX_function_register(const char *name, xbt_main_func_t code);
177 XBT_PUBLIC(void) SIMIX_function_register_default(xbt_main_func_t code);
178 XBT_PUBLIC(void) SIMIX_init_application();
179 XBT_PUBLIC(void) SIMIX_launch_application(const char *file);
181 XBT_PUBLIC(void) SIMIX_process_set_function(const char* process_host,
182 const char *process_function,
183 xbt_dynar_t arguments,
184 double process_start_time,
185 double process_kill_time);
187 /*********************************** Host *************************************/
188 /* Functions for running a process in main()
190 * 1. create the maestro process
191 * 2. attach (create a context and wait for maestro to give control back to you)
192 * 3. do you process job
193 * 4. detach (this waits for the simulation to terminate)
196 XBT_PUBLIC(void) SIMIX_maestro_create(void (*code)(void*), void* data);
197 XBT_PUBLIC(smx_actor_t) SIMIX_process_attach(
200 const char* hostname,
201 xbt_dict_t properties,
202 smx_actor_t parent_process);
203 XBT_PUBLIC(void) SIMIX_process_detach();
205 /*********************************** Host *************************************/
206 XBT_PUBLIC(sg_host_t) SIMIX_host_self();
207 XBT_PUBLIC(const char*) SIMIX_host_self_get_name();
208 XBT_PUBLIC(void) SIMIX_host_off(sg_host_t host, smx_actor_t issuer);
209 XBT_PUBLIC(void) SIMIX_host_self_set_data(void *data);
210 XBT_PUBLIC(void*) SIMIX_host_self_get_data();
212 /********************************* Process ************************************/
213 XBT_PUBLIC(smx_actor_t) SIMIX_process_ref(smx_actor_t process);
214 XBT_PUBLIC(void) SIMIX_process_unref(smx_actor_t process);
215 XBT_PUBLIC(int) SIMIX_process_count();
216 XBT_PUBLIC(smx_actor_t) SIMIX_process_self();
217 XBT_PUBLIC(const char*) SIMIX_process_self_get_name();
218 XBT_PUBLIC(void) SIMIX_process_self_set_data(void *data);
219 XBT_PUBLIC(void*) SIMIX_process_self_get_data();
220 XBT_PUBLIC(smx_context_t) SIMIX_process_get_context(smx_actor_t process);
221 XBT_PUBLIC(void) SIMIX_process_set_context(smx_actor_t p,smx_context_t c);
222 XBT_PUBLIC(int) SIMIX_process_has_pending_comms(smx_actor_t process);
223 XBT_PUBLIC(void) SIMIX_process_on_exit_runall(smx_actor_t process);
224 XBT_PUBLIC(void) SIMIX_process_on_exit(smx_actor_t process, int_f_pvoid_pvoid_t fun, void *data);
226 /****************************** Communication *********************************/
227 XBT_PUBLIC(void) SIMIX_comm_set_copy_data_callback(void (*callback) (smx_activity_t, void*, size_t));
228 XBT_PUBLIC(void) SIMIX_comm_copy_pointer_callback(smx_activity_t comm, void* buff, size_t buff_size);
229 XBT_PUBLIC(void) SIMIX_comm_copy_buffer_callback(smx_activity_t comm, void* buff, size_t buff_size);
231 XBT_PUBLIC(smx_activity_t) SIMIX_comm_get_send_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
232 XBT_PUBLIC(int) SIMIX_comm_has_send_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
233 XBT_PUBLIC(int) SIMIX_comm_has_recv_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
234 XBT_PUBLIC(void) SIMIX_comm_finish(smx_activity_t synchro);
236 /******************************************************************************/
238 /******************************************************************************/
239 /* These functions are a system call-like interface to the simulation kernel. */
240 /* They can also be called from maestro's context, and they are thread safe. */
241 /******************************************************************************/
243 XBT_PUBLIC(void) simcall_call(smx_actor_t process);
245 /******************************* Host simcalls ********************************/
246 XBT_PUBLIC(void) simcall_host_set_data(sg_host_t host, void *data);
248 XBT_PUBLIC(smx_activity_t) simcall_execution_start(const char *name,
250 double priority, double bound);
251 XBT_PUBLIC(smx_activity_t)
252 simcall_execution_parallel_start(const char* name, int host_nb, sg_host_t* host_list, double* flops_amount,
253 double* bytes_amount, double amount, double rate, double timeout);
254 XBT_PUBLIC(void) simcall_execution_cancel(smx_activity_t execution);
255 XBT_PUBLIC(void) simcall_execution_set_priority(smx_activity_t execution, double priority);
256 XBT_PUBLIC(void) simcall_execution_set_bound(smx_activity_t execution, double bound);
257 XBT_PUBLIC(e_smx_state_t) simcall_execution_wait(smx_activity_t execution);
259 /**************************** Process simcalls ********************************/
260 /* Constructor and Destructor */
261 XBT_PUBLIC(smx_actor_t)
262 simcall_process_create(const char* name, xbt_main_func_t code, void* data, sg_host_t host, int argc, char** argv,
263 xbt_dict_t properties);
265 XBT_PUBLIC(void) simcall_process_kill(smx_actor_t process);
266 XBT_PUBLIC(void) simcall_process_killall(int reset_pid);
267 XBT_PUBLIC(void) SIMIX_process_throw(smx_actor_t process, xbt_errcat_t cat, int value, const char *msg);
270 /* Process handling */
271 XBT_PUBLIC(void) simcall_process_cleanup(smx_actor_t process);
272 XBT_PUBLIC(void) simcall_process_suspend(smx_actor_t process);
273 XBT_PUBLIC(void) simcall_process_resume(smx_actor_t process);
275 /* Getters and Setters */
276 XBT_PUBLIC(int) simcall_process_count();
277 XBT_PUBLIC(void) simcall_process_set_data(smx_actor_t process, void *data);
278 XBT_PUBLIC(void) simcall_process_set_host(smx_actor_t process, sg_host_t dest);
279 XBT_PUBLIC(int) simcall_process_is_suspended(smx_actor_t process);
280 XBT_PUBLIC(xbt_dict_t) simcall_process_get_properties(smx_actor_t host);
281 XBT_PUBLIC(void) simcall_process_set_kill_time(smx_actor_t process, double kill_time);
282 XBT_PUBLIC(double) simcall_process_get_kill_time(smx_actor_t process);
283 XBT_PUBLIC(void) simcall_process_on_exit(smx_actor_t process, int_f_pvoid_pvoid_t fun, void *data);
284 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_actor_t process, int auto_restart);
285 XBT_PUBLIC(smx_actor_t) simcall_process_restart(smx_actor_t process);
286 XBT_PUBLIC(void) simcall_process_join(smx_actor_t process, double timeout);
288 XBT_PUBLIC(e_smx_state_t) simcall_process_sleep(double duration);
290 /************************** Comunication simcalls *****************************/
292 XBT_PUBLIC(void) simcall_comm_send(smx_actor_t sender, smx_mailbox_t mbox, double task_size,
293 double rate, void *src_buff,
294 size_t src_buff_size,
295 int (*match_fun)(void *, void *, smx_activity_t),
296 void (*copy_data_fun)(smx_activity_t, void*, size_t),
297 void *data, double timeout);
299 XBT_PUBLIC(smx_activity_t) simcall_comm_isend(smx_actor_t sender, smx_mailbox_t mbox,
301 double rate, void *src_buff,
302 size_t src_buff_size,
303 int (*match_fun)(void *, void *, smx_activity_t),
304 void (*clean_fun)(void *),
305 void (*copy_data_fun)(smx_activity_t, void*, size_t),
306 void *data, int detached);
308 XBT_PUBLIC(void) simcall_comm_recv(smx_actor_t receiver, smx_mailbox_t mbox, void *dst_buff,
309 size_t * dst_buff_size,
310 int (*match_fun)(void *, void *, smx_activity_t),
311 void (*copy_data_fun)(smx_activity_t, void*, size_t),
312 void *data, double timeout, double rate);
314 XBT_PUBLIC(smx_activity_t) simcall_comm_irecv(smx_actor_t receiver, smx_mailbox_t mbox, void *dst_buff,
315 size_t * dst_buff_size,
316 int (*match_fun)(void *, void *, smx_activity_t),
317 void (*copy_data_fun)(smx_activity_t, void*, size_t),
318 void *data, double rate);
320 XBT_PUBLIC(smx_activity_t) simcall_comm_iprobe(smx_mailbox_t mbox, int type, int src, int tag,
321 int (*match_fun)(void *, void *, smx_activity_t), void *data);
322 XBT_PUBLIC(void) simcall_comm_cancel(smx_activity_t comm);
324 /* FIXME: waitany is going to be a vararg function, and should take a timeout */
325 XBT_PUBLIC(unsigned int) simcall_comm_waitany(xbt_dynar_t comms, double timeout);
326 XBT_PUBLIC(void) simcall_comm_wait(smx_activity_t comm, double timeout);
327 XBT_PUBLIC(int) simcall_comm_test(smx_activity_t comm);
328 XBT_PUBLIC(int) simcall_comm_testany(smx_activity_t* comms, size_t count);
330 /************************** Tracing handling **********************************/
331 XBT_PUBLIC(void) simcall_set_category(smx_activity_t synchro, const char *category);
333 /************************** Synchro simcalls **********************************/
334 XBT_PUBLIC(smx_mutex_t) simcall_mutex_init();
335 XBT_PUBLIC(smx_mutex_t) SIMIX_mutex_ref(smx_mutex_t mutex);
336 XBT_PUBLIC(void) SIMIX_mutex_unref(smx_mutex_t mutex);
337 XBT_PUBLIC(void) simcall_mutex_lock(smx_mutex_t mutex);
338 XBT_PUBLIC(int) simcall_mutex_trylock(smx_mutex_t mutex);
339 XBT_PUBLIC(void) simcall_mutex_unlock(smx_mutex_t mutex);
341 XBT_PUBLIC(smx_cond_t) simcall_cond_init();
342 XBT_PUBLIC(void) SIMIX_cond_unref(smx_cond_t cond);
343 XBT_PUBLIC(smx_cond_t) SIMIX_cond_ref(smx_cond_t cond);
344 XBT_PUBLIC(void) simcall_cond_signal(smx_cond_t cond);
345 XBT_PUBLIC(void) simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex);
346 XBT_PUBLIC(void) simcall_cond_wait_timeout(smx_cond_t cond, smx_mutex_t mutex, double max_duration);
347 XBT_PUBLIC(void) simcall_cond_broadcast(smx_cond_t cond);
349 XBT_PUBLIC(smx_sem_t) simcall_sem_init(int capacity);
350 XBT_PUBLIC(void) SIMIX_sem_destroy(smx_sem_t sem);
351 XBT_PUBLIC(void) simcall_sem_release(smx_sem_t sem);
352 XBT_PUBLIC(int) simcall_sem_would_block(smx_sem_t sem);
353 XBT_PUBLIC(void) simcall_sem_acquire(smx_sem_t sem);
354 XBT_PUBLIC(void) simcall_sem_acquire_timeout(smx_sem_t sem, double max_duration);
355 XBT_PUBLIC(int) simcall_sem_get_capacity(smx_sem_t sem);
357 /***************************** File **********************************/
358 XBT_PUBLIC(void *) simcall_file_get_data(smx_file_t fd);
359 XBT_PUBLIC(void) simcall_file_set_data(smx_file_t fd, void *data);
360 XBT_PUBLIC(sg_size_t) simcall_file_read(smx_file_t fd, sg_size_t size, sg_host_t host);
361 XBT_PUBLIC(sg_size_t) simcall_file_write(smx_file_t fd, sg_size_t size, sg_host_t host);
362 XBT_PUBLIC(smx_file_t) simcall_file_open(const char* fullpath, sg_host_t host);
363 XBT_PUBLIC(int) simcall_file_close(smx_file_t fd, sg_host_t host);
364 XBT_PUBLIC(int) simcall_file_unlink(smx_file_t fd, sg_host_t host);
365 XBT_PUBLIC(sg_size_t) simcall_file_get_size(smx_file_t fd);
366 XBT_PUBLIC(xbt_dynar_t) simcall_file_get_info(smx_file_t fd);
367 XBT_PUBLIC(sg_size_t) simcall_file_tell(smx_file_t fd);
368 XBT_PUBLIC(int) simcall_file_seek(smx_file_t fd, sg_offset_t offset, int origin);
369 XBT_PUBLIC(int) simcall_file_move(smx_file_t fd, const char* fullpath);
370 /***************************** Storage **********************************/
371 XBT_PUBLIC(sg_size_t) simcall_storage_get_free_size (smx_storage_t storage);
372 XBT_PUBLIC(sg_size_t) simcall_storage_get_used_size (smx_storage_t storage);
373 XBT_PUBLIC(xbt_dict_t) simcall_storage_get_properties(smx_storage_t storage);
374 XBT_PUBLIC(void*) SIMIX_storage_get_data(smx_storage_t storage);
375 XBT_PUBLIC(void) SIMIX_storage_set_data(smx_storage_t storage, void *data);
376 XBT_PUBLIC(const char*) SIMIX_storage_get_name(smx_storage_t storage);
378 /************************** MC simcalls **********************************/
379 XBT_PUBLIC(int) simcall_mc_random(int min, int max);
382 #endif /* _SIMIX_SIMIX_H */