1 /* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "simgrid/datatypes.h"
10 #include "simgrid/host.h"
12 #include "xbt/parmap.h"
29 /** @brief Process datatype
30 @ingroup simix_process_management
32 A process may be defined as a <em>code</em>, with some <em>private
33 data</em>, executing in a <em>location</em>.
34 \see m_process_management
41 typedef simgrid::kernel::context::Context* smx_context_t;
42 typedef simgrid::simix::ActorImpl* smx_actor_t;
43 typedef simgrid::simix::MutexImpl* smx_mutex_t;
44 typedef simgrid::kernel::activity::MailboxImpl* smx_mailbox_t;
48 typedef struct s_smx_context *smx_context_t;
49 typedef struct s_smx_actor *smx_actor_t;
50 typedef struct s_smx_mutex *smx_mutex_t;
51 typedef struct s_smx_mailbox *smx_mailbox_t;
55 /* ******************************** Host ************************************ */
56 /** @brief Host datatype
57 @ingroup simix_host_management
59 A <em>location</em> (or <em>host</em>) is any possible place where
60 a process may run. Thus it is represented as a <em>physical
61 resource with computing capabilities</em>, some <em>mailboxes</em>
62 to enable running process to communicate with remote ones, and
63 some <em>private data</em> that can be only accessed by local
66 \see m_host_management
75 SIMIX_SRC_HOST_FAILURE,
76 SIMIX_DST_HOST_FAILURE,
84 /* ******************************** Synchro ************************************ */
87 * \ingroup simix_synchro_management
89 typedef struct s_smx_cond *smx_cond_t;
91 * \ingroup simix_synchro_management
93 typedef struct s_smx_sem *smx_sem_t;
95 /********************************** File *************************************/
96 typedef struct s_smx_file *smx_file_t;
98 /* ****************************** Process *********************************** */
101 SMX_EXIT_SUCCESS = 0,
103 } smx_process_exit_status_t;
106 /******************************* Networking ***********************************/
108 /* Process creation/destruction callbacks */
109 typedef void (*void_pfn_smxprocess_t) (smx_actor_t);
111 extern int smx_context_stack_size;
112 extern int smx_context_stack_size_was_set;
113 extern int smx_context_guard_size;
114 extern int smx_context_guard_size_was_set;
118 XBT_PUBLIC(xbt_dynar_t) SIMIX_process_get_runnable();
119 XBT_PUBLIC(smx_actor_t) SIMIX_process_from_PID(aid_t PID);
120 XBT_PUBLIC(xbt_dynar_t) SIMIX_processes_as_dynar();
123 XBT_PUBLIC(int) SIMIX_context_is_parallel();
124 XBT_PUBLIC(int) SIMIX_context_get_nthreads();
125 XBT_PUBLIC(void) SIMIX_context_set_nthreads(int nb_threads);
126 XBT_PUBLIC(int) SIMIX_context_get_parallel_threshold();
127 XBT_PUBLIC(void) SIMIX_context_set_parallel_threshold(int threshold);
128 XBT_PUBLIC(e_xbt_parmap_mode_t) SIMIX_context_get_parallel_mode();
129 XBT_PUBLIC(void) SIMIX_context_set_parallel_mode(e_xbt_parmap_mode_t mode);
130 XBT_PUBLIC(int) SIMIX_is_maestro();
133 /********************************** Global ************************************/
134 /* Initialization and exit */
135 XBT_PUBLIC(void) SIMIX_global_init(int *argc, char **argv);
137 /* Set to execute in the maestro
139 * If no maestro code is registered (the default), the main thread
140 * is assumed to be the maestro. */
141 XBT_PUBLIC(void) SIMIX_set_maestro(void (*code)(void*), void* data);
143 XBT_PUBLIC(void) SIMIX_function_register_process_cleanup(void_pfn_smxprocess_t function);
144 XBT_PUBLIC(void) SIMIX_function_register_process_kill(void_pfn_smxprocess_t function);
146 /* Simulation execution */
147 XBT_PUBLIC(void) SIMIX_run();
148 XBT_PUBLIC(double) SIMIX_get_clock();
150 /* Timer functions FIXME: should these be public? */
151 typedef struct s_smx_timer* smx_timer_t;
153 XBT_PUBLIC(smx_timer_t) SIMIX_timer_set(double date, void (*function)(void*), void *arg);
154 XBT_PUBLIC(void) SIMIX_timer_remove(smx_timer_t timer);
155 XBT_PUBLIC(double) SIMIX_timer_next();
156 XBT_PUBLIC(double) SIMIX_timer_get_date(smx_timer_t timer);
158 XBT_PUBLIC(void) SIMIX_display_process_status();
160 /******************************* Environment **********************************/
161 XBT_PUBLIC(void) SIMIX_create_environment(const char *file);
163 /******************************** Deployment **********************************/
165 XBT_PUBLIC(void) SIMIX_function_register(const char *name, xbt_main_func_t code);
166 XBT_PUBLIC(void) SIMIX_function_register_default(xbt_main_func_t code);
167 XBT_PUBLIC(void) SIMIX_init_application();
168 XBT_PUBLIC(void) SIMIX_launch_application(const char *file);
170 XBT_PUBLIC(void) SIMIX_process_set_function(const char* process_host,
171 const char *process_function,
172 xbt_dynar_t arguments,
173 double process_start_time,
174 double process_kill_time);
176 /*********************************** Host *************************************/
177 /* Functions for running a process in main()
179 * 1. create the maestro process
180 * 2. attach (create a context and wait for maestro to give control back to you)
181 * 3. do you process job
182 * 4. detach (this waits for the simulation to terminate)
185 XBT_PUBLIC(void) SIMIX_maestro_create(void (*code)(void*), void* data);
186 XBT_PUBLIC(smx_actor_t) SIMIX_process_attach(
189 const char* hostname,
190 xbt_dict_t properties,
191 smx_actor_t parent_process);
192 XBT_PUBLIC(void) SIMIX_process_detach();
194 /*********************************** Host *************************************/
195 XBT_PUBLIC(sg_host_t) SIMIX_host_self();
196 XBT_PUBLIC(const char*) SIMIX_host_self_get_name();
197 XBT_PUBLIC(void) SIMIX_host_off(sg_host_t host, smx_actor_t issuer);
198 XBT_PUBLIC(void) SIMIX_host_self_set_data(void *data);
199 XBT_PUBLIC(void*) SIMIX_host_self_get_data();
201 /********************************* Process ************************************/
202 XBT_PUBLIC(smx_actor_t) SIMIX_process_ref(smx_actor_t process);
203 XBT_PUBLIC(void) SIMIX_process_unref(smx_actor_t process);
204 XBT_PUBLIC(int) SIMIX_process_count();
205 XBT_PUBLIC(smx_actor_t) SIMIX_process_self();
206 XBT_PUBLIC(const char*) SIMIX_process_self_get_name();
207 XBT_PUBLIC(void) SIMIX_process_self_set_data(void *data);
208 XBT_PUBLIC(void*) SIMIX_process_self_get_data();
209 XBT_PUBLIC(smx_context_t) SIMIX_process_get_context(smx_actor_t process);
210 XBT_PUBLIC(void) SIMIX_process_set_context(smx_actor_t p,smx_context_t c);
211 XBT_PUBLIC(int) SIMIX_process_has_pending_comms(smx_actor_t process);
212 XBT_PUBLIC(void) SIMIX_process_on_exit_runall(smx_actor_t process);
213 XBT_PUBLIC(void) SIMIX_process_on_exit(smx_actor_t process, int_f_pvoid_pvoid_t fun, void *data);
217 /****************************** Communication *********************************/
218 XBT_PUBLIC(void) SIMIX_comm_set_copy_data_callback(void (*callback) (smx_activity_t, void*, size_t));
219 XBT_PUBLIC(void) SIMIX_comm_copy_pointer_callback(smx_activity_t comm, void* buff, size_t buff_size);
220 XBT_PUBLIC(void) SIMIX_comm_copy_buffer_callback(smx_activity_t comm, void* buff, size_t buff_size);
222 XBT_PUBLIC(smx_activity_t) SIMIX_comm_get_send_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
223 XBT_PUBLIC(int) SIMIX_comm_has_send_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
224 XBT_PUBLIC(int) SIMIX_comm_has_recv_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
225 XBT_PUBLIC(void) SIMIX_comm_finish(smx_activity_t synchro);
227 /******************************************************************************/
229 /******************************************************************************/
230 /* These functions are a system call-like interface to the simulation kernel. */
231 /* They can also be called from maestro's context, and they are thread safe. */
232 /******************************************************************************/
234 XBT_PUBLIC(void) simcall_call(smx_actor_t process);
236 /******************************* Host simcalls ********************************/
237 XBT_PUBLIC(void) simcall_host_set_data(sg_host_t host, void *data);
239 XBT_PUBLIC(smx_activity_t) simcall_execution_start(const char *name,
241 double priority, double bound);
242 XBT_PUBLIC(smx_activity_t)
243 simcall_execution_parallel_start(const char* name, int host_nb, sg_host_t* host_list, double* flops_amount,
244 double* bytes_amount, double amount, double rate, double timeout);
245 XBT_PUBLIC(void) simcall_execution_cancel(smx_activity_t execution);
246 XBT_PUBLIC(void) simcall_execution_set_priority(smx_activity_t execution, double priority);
247 XBT_PUBLIC(void) simcall_execution_set_bound(smx_activity_t execution, double bound);
248 XBT_PUBLIC(e_smx_state_t) simcall_execution_wait(smx_activity_t execution);
250 /**************************** Process simcalls ********************************/
252 /* Constructor and Destructor */
253 XBT_PUBLIC(smx_actor_t)
254 simcall_process_create(const char* name, xbt_main_func_t code, void* data, sg_host_t host, int argc, char** argv,
255 xbt_dict_t properties);
257 XBT_PUBLIC(void) simcall_process_kill(smx_actor_t process);
258 XBT_PUBLIC(void) simcall_process_killall(int reset_pid);
259 XBT_PUBLIC(void) SIMIX_process_throw(smx_actor_t process, xbt_errcat_t cat, int value, const char *msg);
262 /* Process handling */
263 XBT_PUBLIC(void) simcall_process_cleanup(smx_actor_t process);
264 XBT_PUBLIC(void) simcall_process_suspend(smx_actor_t process);
265 XBT_PUBLIC(void) simcall_process_resume(smx_actor_t process);
267 /* Getters and Setters */
268 XBT_PUBLIC(int) simcall_process_count();
269 XBT_PUBLIC(void) simcall_process_set_data(smx_actor_t process, void *data);
270 XBT_PUBLIC(void) simcall_process_set_host(smx_actor_t process, sg_host_t dest);
271 XBT_PUBLIC(int) simcall_process_is_suspended(smx_actor_t process);
272 XBT_PUBLIC(xbt_dict_t) simcall_process_get_properties(smx_actor_t host);
273 XBT_PUBLIC(void) simcall_process_set_kill_time(smx_actor_t process, double kill_time);
274 XBT_PUBLIC(double) simcall_process_get_kill_time(smx_actor_t process);
275 XBT_PUBLIC(void) simcall_process_on_exit(smx_actor_t process, int_f_pvoid_pvoid_t fun, void *data);
276 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_actor_t process, int auto_restart);
277 XBT_PUBLIC(smx_actor_t) simcall_process_restart(smx_actor_t process);
278 XBT_PUBLIC(void) simcall_process_join(smx_actor_t process, double timeout);
280 XBT_PUBLIC(e_smx_state_t) simcall_process_sleep(double duration);
283 /************************** Comunication simcalls *****************************/
285 XBT_PUBLIC(void) simcall_comm_send(smx_actor_t sender, smx_mailbox_t mbox, double task_size,
286 double rate, void *src_buff,
287 size_t src_buff_size,
288 int (*match_fun)(void *, void *, smx_activity_t),
289 void (*copy_data_fun)(smx_activity_t, void*, size_t),
290 void *data, double timeout);
292 XBT_PUBLIC(smx_activity_t) simcall_comm_isend(smx_actor_t sender, smx_mailbox_t mbox,
294 double rate, void *src_buff,
295 size_t src_buff_size,
296 int (*match_fun)(void *, void *, smx_activity_t),
297 void (*clean_fun)(void *),
298 void (*copy_data_fun)(smx_activity_t, void*, size_t),
299 void *data, int detached);
301 XBT_PUBLIC(void) simcall_comm_recv(smx_actor_t receiver, smx_mailbox_t mbox, void *dst_buff,
302 size_t * dst_buff_size,
303 int (*match_fun)(void *, void *, smx_activity_t),
304 void (*copy_data_fun)(smx_activity_t, void*, size_t),
305 void *data, double timeout, double rate);
307 XBT_PUBLIC(smx_activity_t) simcall_comm_irecv(smx_actor_t receiver, smx_mailbox_t mbox, void *dst_buff,
308 size_t * dst_buff_size,
309 int (*match_fun)(void *, void *, smx_activity_t),
310 void (*copy_data_fun)(smx_activity_t, void*, size_t),
311 void *data, double rate);
313 XBT_PUBLIC(smx_activity_t) simcall_comm_iprobe(smx_mailbox_t mbox, int type, int src, int tag,
314 int (*match_fun)(void *, void *, smx_activity_t), void *data);
315 XBT_PUBLIC(void) simcall_comm_cancel(smx_activity_t comm);
317 /* FIXME: waitany is going to be a vararg function, and should take a timeout */
318 XBT_PUBLIC(unsigned int) simcall_comm_waitany(xbt_dynar_t comms, double timeout);
319 XBT_PUBLIC(void) simcall_comm_wait(smx_activity_t comm, double timeout);
320 XBT_PUBLIC(int) simcall_comm_test(smx_activity_t comm);
321 XBT_PUBLIC(int) simcall_comm_testany(smx_activity_t* comms, size_t count);
323 /************************** Tracing handling **********************************/
324 XBT_PUBLIC(void) simcall_set_category(smx_activity_t synchro, const char *category);
326 /************************** Synchro simcalls **********************************/
328 XBT_PUBLIC(smx_mutex_t) simcall_mutex_init();
329 XBT_PUBLIC(smx_mutex_t) SIMIX_mutex_ref(smx_mutex_t mutex);
330 XBT_PUBLIC(void) SIMIX_mutex_unref(smx_mutex_t mutex);
331 XBT_PUBLIC(void) simcall_mutex_lock(smx_mutex_t mutex);
332 XBT_PUBLIC(int) simcall_mutex_trylock(smx_mutex_t mutex);
333 XBT_PUBLIC(void) simcall_mutex_unlock(smx_mutex_t mutex);
335 XBT_PUBLIC(smx_cond_t) simcall_cond_init();
336 XBT_PUBLIC(void) SIMIX_cond_unref(smx_cond_t cond);
337 XBT_PUBLIC(smx_cond_t) SIMIX_cond_ref(smx_cond_t cond);
338 XBT_PUBLIC(void) simcall_cond_signal(smx_cond_t cond);
339 XBT_PUBLIC(void) simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex);
340 XBT_PUBLIC(void) simcall_cond_wait_timeout(smx_cond_t cond, smx_mutex_t mutex, double max_duration);
341 XBT_PUBLIC(void) simcall_cond_broadcast(smx_cond_t cond);
343 XBT_PUBLIC(smx_sem_t) simcall_sem_init(int capacity);
344 XBT_PUBLIC(void) SIMIX_sem_destroy(smx_sem_t sem);
345 XBT_PUBLIC(void) simcall_sem_release(smx_sem_t sem);
346 XBT_PUBLIC(int) simcall_sem_would_block(smx_sem_t sem);
347 XBT_PUBLIC(void) simcall_sem_acquire(smx_sem_t sem);
348 XBT_PUBLIC(void) simcall_sem_acquire_timeout(smx_sem_t sem, double max_duration);
349 XBT_PUBLIC(int) simcall_sem_get_capacity(smx_sem_t sem);
351 /***************************** File **********************************/
352 XBT_PUBLIC(void *) simcall_file_get_data(smx_file_t fd);
353 XBT_PUBLIC(void) simcall_file_set_data(smx_file_t fd, void *data);
354 XBT_PUBLIC(sg_size_t) simcall_file_read(smx_file_t fd, sg_size_t size, sg_host_t host);
355 XBT_PUBLIC(sg_size_t) simcall_file_write(smx_file_t fd, sg_size_t size, sg_host_t host);
356 XBT_PUBLIC(smx_file_t) simcall_file_open(const char* fullpath, sg_host_t host);
357 XBT_PUBLIC(int) simcall_file_close(smx_file_t fd, sg_host_t host);
358 XBT_PUBLIC(int) simcall_file_unlink(smx_file_t fd, sg_host_t host);
359 XBT_PUBLIC(sg_size_t) simcall_file_get_size(smx_file_t fd);
360 XBT_PUBLIC(xbt_dynar_t) simcall_file_get_info(smx_file_t fd);
361 XBT_PUBLIC(sg_size_t) simcall_file_tell(smx_file_t fd);
362 XBT_PUBLIC(int) simcall_file_seek(smx_file_t fd, sg_offset_t offset, int origin);
363 XBT_PUBLIC(int) simcall_file_move(smx_file_t fd, const char* fullpath);
364 /************************** MC simcalls **********************************/
365 XBT_PUBLIC(int) simcall_mc_random(int min, int max);
369 #endif /* _SIMIX_SIMIX_H */