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add test() for asynchronous executions
[simgrid.git] / include / simgrid / simix.h
1 /* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved.          */
2
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. */
5
6 #ifndef _SIMIX_SIMIX_H
7 #define _SIMIX_SIMIX_H
8
9 #include "simgrid/datatypes.h"
10 #include "simgrid/forward.h"
11 #include "simgrid/host.h"
12 #include "xbt/ex.h"
13 #include "xbt/parmap.h"
14 #ifdef __cplusplus
15 #include <map>
16 #endif
17
18 /* ******************************** Host ************************************ */
19 /** @brief Host datatype
20     @ingroup simix_host_management
21
22     A <em>location</em> (or <em>host</em>) is any possible place where
23     a process may run. Thus it is represented as a <em>physical
24     resource with computing capabilities</em>, some <em>mailboxes</em>
25     to enable running process to communicate with remote ones, and
26     some <em>private data</em> that can be only accessed by local
27     process.
28
29     \see m_host_management
30   @{ */
31 typedef enum {
32   SIMIX_WAITING,
33   SIMIX_READY,
34   SIMIX_RUNNING,
35   SIMIX_DONE,
36   SIMIX_CANCELED,
37   SIMIX_FAILED,
38   SIMIX_SRC_HOST_FAILURE,
39   SIMIX_DST_HOST_FAILURE,
40   SIMIX_TIMEOUT,
41   SIMIX_SRC_TIMEOUT,
42   SIMIX_DST_TIMEOUT,
43   SIMIX_LINK_FAILURE
44 } e_smx_state_t;
45 /** @} */
46
47 /* ******************************** Synchro ************************************ */
48
49 /**
50  * \ingroup simix_synchro_management
51  */
52 typedef struct s_smx_cond_t* smx_cond_t;
53 /**
54  * \ingroup simix_synchro_management
55  */
56 typedef struct s_smx_sem_t* smx_sem_t;
57
58 /* ****************************** Process *********************************** */
59
60 typedef enum {
61   SMX_EXIT_SUCCESS = 0,
62   SMX_EXIT_FAILURE = 1
63 } smx_process_exit_status_t;
64 /** @} */
65
66 /******************************* Networking ***********************************/
67
68 /* Process creation/destruction callbacks */
69 typedef void (*void_pfn_smxprocess_t) (smx_actor_t);
70
71 extern unsigned smx_context_stack_size;
72 extern int smx_context_stack_size_was_set;
73 extern unsigned smx_context_guard_size;
74 extern int smx_context_guard_size_was_set;
75
76 SG_BEGIN_DECL()
77
78 XBT_PUBLIC(smx_actor_t) SIMIX_process_from_PID(aid_t PID);
79
80 /* parallelism */
81 XBT_PUBLIC(int) SIMIX_context_is_parallel();
82 XBT_PUBLIC(int) SIMIX_context_get_nthreads();
83 XBT_PUBLIC(void) SIMIX_context_set_nthreads(int nb_threads);
84 XBT_PUBLIC(int) SIMIX_context_get_parallel_threshold();
85 XBT_PUBLIC(void) SIMIX_context_set_parallel_threshold(int threshold);
86 XBT_PUBLIC(e_xbt_parmap_mode_t) SIMIX_context_get_parallel_mode();
87 XBT_PUBLIC(void) SIMIX_context_set_parallel_mode(e_xbt_parmap_mode_t mode);
88 XBT_PUBLIC(int) SIMIX_is_maestro();
89
90
91 /********************************** Global ************************************/
92 /* Initialization and exit */
93 XBT_PUBLIC(void) SIMIX_global_init(int *argc, char **argv);
94
95 /* Set to execute in the maestro
96  *
97  * If no maestro code is registered (the default), the main thread
98  * is assumed to be the maestro. */
99 XBT_PUBLIC(void) SIMIX_set_maestro(void (*code)(void*), void* data);
100
101 XBT_PUBLIC(void) SIMIX_function_register_process_cleanup(void_pfn_smxprocess_t function);
102 XBT_PUBLIC(void) SIMIX_function_register_process_kill(void_pfn_smxprocess_t function);
103
104 /* Simulation execution */
105 XBT_PUBLIC(void) SIMIX_run();
106 XBT_PUBLIC(double) SIMIX_get_clock();
107
108 /* Timer functions FIXME: should these be public? */
109 typedef struct s_smx_timer_t* smx_timer_t;
110
111 XBT_PUBLIC(smx_timer_t) SIMIX_timer_set(double date, void (*function)(void*), void *arg);
112 XBT_PUBLIC(void) SIMIX_timer_remove(smx_timer_t timer);
113 XBT_PUBLIC(double) SIMIX_timer_next();
114 XBT_PUBLIC(double) SIMIX_timer_get_date(smx_timer_t timer);
115
116 XBT_PUBLIC(void) SIMIX_display_process_status();
117
118 /******************************* Environment **********************************/
119 XBT_PUBLIC(void) SIMIX_create_environment(const char *file);
120
121 /******************************** Deployment **********************************/
122
123 XBT_PUBLIC(void) SIMIX_function_register(const char *name, xbt_main_func_t code);
124 XBT_PUBLIC(void) SIMIX_function_register_default(xbt_main_func_t code);
125 XBT_PUBLIC(void) SIMIX_init_application();
126 XBT_PUBLIC(void) SIMIX_launch_application(const char *file);
127
128 XBT_PUBLIC(void) SIMIX_process_set_function(const char* process_host,
129                                             const char *process_function,
130                                             xbt_dynar_t arguments,
131                                             double process_start_time,
132                                             double process_kill_time);
133
134 /*********************************** Host *************************************/
135 /* Functions for running a process in main()
136  *
137  *  1. create the maestro process
138  *  2. attach (create a context and wait for maestro to give control back to you)
139  *  3. do you process job
140  *  4. detach (this waits for the simulation to terminate)
141  */
142
143 XBT_PUBLIC(void) SIMIX_maestro_create(void (*code)(void*), void* data);
144 #ifdef __cplusplus
145 XBT_PUBLIC(smx_actor_t)
146 SIMIX_process_attach(const char* name, void* data, const char* hostname, std::map<std::string, std::string>* properties,
147                      smx_actor_t parent_process);
148 #endif
149 XBT_PUBLIC(void) SIMIX_process_detach();
150
151 /*********************************** Host *************************************/
152 XBT_PUBLIC(void) SIMIX_host_off(sg_host_t host, smx_actor_t issuer);
153 XBT_PUBLIC(void) SIMIX_host_self_set_data(void *data);
154 XBT_PUBLIC(void*) SIMIX_host_self_get_data();
155
156 /********************************* Process ************************************/
157 XBT_PUBLIC(int) SIMIX_process_count();
158 XBT_PUBLIC(smx_actor_t) SIMIX_process_self();
159 XBT_PUBLIC(const char*) SIMIX_process_self_get_name();
160 XBT_PUBLIC(void) SIMIX_process_self_set_data(void *data);
161 XBT_PUBLIC(void*) SIMIX_process_self_get_data();
162 XBT_PUBLIC(int) SIMIX_process_has_pending_comms(smx_actor_t process);
163 XBT_PUBLIC(void) SIMIX_process_on_exit_runall(smx_actor_t process);
164 XBT_PUBLIC(void) SIMIX_process_on_exit(smx_actor_t process, int_f_pvoid_pvoid_t fun, void *data);
165
166 SG_END_DECL()
167
168 /****************************** Communication *********************************/
169 XBT_PUBLIC(void) SIMIX_comm_set_copy_data_callback(void (*callback) (smx_activity_t, void*, size_t));
170 XBT_PUBLIC(void) SIMIX_comm_copy_pointer_callback(smx_activity_t comm, void* buff, size_t buff_size);
171 XBT_PUBLIC(void) SIMIX_comm_copy_buffer_callback(smx_activity_t comm, void* buff, size_t buff_size);
172
173 XBT_PUBLIC(smx_activity_t) SIMIX_comm_get_send_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
174 XBT_PUBLIC(int) SIMIX_comm_has_send_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
175 XBT_PUBLIC(int) SIMIX_comm_has_recv_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
176 XBT_PUBLIC(void) SIMIX_comm_finish(smx_activity_t synchro);
177
178 /******************************************************************************/
179 /*                            SIMIX simcalls                                  */
180 /******************************************************************************/
181 /* These functions are a system call-like interface to the simulation kernel. */
182 /* They can also be called from maestro's context, and they are thread safe.  */
183 /******************************************************************************/
184
185 XBT_PUBLIC(void) simcall_call(smx_actor_t process);
186
187 /******************************* Host simcalls ********************************/
188 XBT_PUBLIC(void) simcall_host_set_data(sg_host_t host, void *data);
189 XBT_PUBLIC(smx_activity_t)
190 simcall_execution_start(const char* name, double flops_amount, double priority, double bound, sg_host_t host);
191 XBT_PUBLIC(smx_activity_t)
192 simcall_execution_parallel_start(const char* name, int host_nb, sg_host_t* host_list, double* flops_amount,
193                                  double* bytes_amount, double rate, double timeout);
194 XBT_PUBLIC(void) simcall_execution_cancel(smx_activity_t execution);
195 XBT_PUBLIC(void) simcall_execution_set_priority(smx_activity_t execution, double priority);
196 XBT_PUBLIC(void) simcall_execution_set_bound(smx_activity_t execution, double bound);
197 XBT_PUBLIC(e_smx_state_t) simcall_execution_wait(smx_activity_t execution);
198 XBT_PUBLIC(e_smx_state_t) simcall_execution_test(smx_activity_t execution);
199
200 /**************************** Process simcalls ********************************/
201 SG_BEGIN_DECL()
202 /* Constructor and Destructor */
203 #ifdef __cplusplus
204 XBT_PUBLIC(smx_actor_t)
205 simcall_process_create(const char* name, xbt_main_func_t code, void* data, sg_host_t host, int argc, char** argv,
206                        std::map<std::string, std::string>* properties);
207 #endif
208
209 XBT_PUBLIC(void) simcall_process_killall(int reset_pid);
210 XBT_PUBLIC(void) SIMIX_process_throw(smx_actor_t process, xbt_errcat_t cat, int value, const char *msg);
211
212
213 /* Process handling */
214 XBT_PUBLIC(void) simcall_process_cleanup(smx_actor_t process);
215 XBT_PUBLIC(void) simcall_process_suspend(smx_actor_t process);
216
217 /* Getters and Setters */
218 XBT_PUBLIC(int) simcall_process_count();
219 XBT_PUBLIC(void) simcall_process_set_data(smx_actor_t process, void *data);
220 XBT_PUBLIC(void) simcall_process_set_kill_time(smx_actor_t process, double kill_time);
221 XBT_PUBLIC(void) simcall_process_on_exit(smx_actor_t process, int_f_pvoid_pvoid_t fun, void *data);
222 XBT_PUBLIC(void) simcall_process_join(smx_actor_t process, double timeout);
223 /* Sleep control */
224 XBT_PUBLIC(e_smx_state_t) simcall_process_sleep(double duration);
225 SG_END_DECL()
226
227 /************************** Comunication simcalls *****************************/
228
229 #ifdef __cplusplus
230 XBT_PUBLIC(void)
231 simcall_comm_send(smx_actor_t sender, smx_mailbox_t mbox, double task_size, double rate, void* src_buff,
232                   size_t src_buff_size, int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
233                   void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data, double timeout);
234
235 XBT_PUBLIC(smx_activity_t)
236 simcall_comm_isend(smx_actor_t sender, smx_mailbox_t mbox, double task_size, double rate, void* src_buff,
237                    size_t src_buff_size, int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
238                    void (*clean_fun)(void*), void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data,
239                    int detached);
240
241 XBT_PUBLIC(void)
242 simcall_comm_recv(smx_actor_t receiver, smx_mailbox_t mbox, void* dst_buff, size_t* dst_buff_size,
243                   int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
244                   void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data, double timeout, double rate);
245
246 XBT_PUBLIC(smx_activity_t)
247 simcall_comm_irecv(smx_actor_t receiver, smx_mailbox_t mbox, void* dst_buff, size_t* dst_buff_size,
248                    int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
249                    void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data, double rate);
250
251 XBT_PUBLIC(smx_activity_t)
252 simcall_comm_iprobe(smx_mailbox_t mbox, int type, int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
253                     void* data);
254 #endif
255 XBT_PUBLIC(void) simcall_comm_cancel(smx_activity_t comm);
256
257 /* FIXME: waitany is going to be a vararg function, and should take a timeout */
258 XBT_PUBLIC(unsigned int) simcall_comm_waitany(xbt_dynar_t comms, double timeout);
259 XBT_PUBLIC(void) simcall_comm_wait(smx_activity_t comm, double timeout);
260 XBT_PUBLIC(int) simcall_comm_test(smx_activity_t comm);
261 XBT_PUBLIC(int) simcall_comm_testany(smx_activity_t* comms, size_t count);
262
263 /************************** Tracing handling **********************************/
264 XBT_PUBLIC(void) simcall_set_category(smx_activity_t synchro, const char *category);
265
266 /************************** Synchro simcalls **********************************/
267 SG_BEGIN_DECL()
268 XBT_PUBLIC(smx_mutex_t) simcall_mutex_init();
269 XBT_PUBLIC(smx_mutex_t) SIMIX_mutex_ref(smx_mutex_t mutex);
270 XBT_PUBLIC(void) SIMIX_mutex_unref(smx_mutex_t mutex);
271 XBT_PUBLIC(void) simcall_mutex_lock(smx_mutex_t mutex);
272 XBT_PUBLIC(int) simcall_mutex_trylock(smx_mutex_t mutex);
273 XBT_PUBLIC(void) simcall_mutex_unlock(smx_mutex_t mutex);
274
275 XBT_PUBLIC(smx_cond_t) simcall_cond_init();
276 XBT_PUBLIC(void) SIMIX_cond_unref(smx_cond_t cond);
277 XBT_PUBLIC(smx_cond_t) SIMIX_cond_ref(smx_cond_t cond);
278 XBT_PUBLIC(void) simcall_cond_signal(smx_cond_t cond);
279 XBT_PUBLIC(void) simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex);
280 XBT_PUBLIC(void) simcall_cond_wait_timeout(smx_cond_t cond, smx_mutex_t mutex, double max_duration);
281 XBT_PUBLIC(void) simcall_cond_broadcast(smx_cond_t cond);
282
283 XBT_PUBLIC(void) SIMIX_sem_destroy(smx_sem_t sem);
284 XBT_PUBLIC(void) simcall_sem_acquire(smx_sem_t sem);
285 XBT_PUBLIC(void) simcall_sem_acquire_timeout(smx_sem_t sem, double max_duration);
286
287 /*****************************   Storage   **********************************/
288 XBT_PUBLIC(sg_size_t) simcall_storage_read(surf_storage_t st, sg_size_t size);
289 XBT_PUBLIC(sg_size_t) simcall_storage_write(surf_storage_t fd, sg_size_t size);
290 /************************** MC simcalls   **********************************/
291 XBT_PUBLIC(int) simcall_mc_random(int min, int max);
292
293 SG_END_DECL()
294
295 #endif                          /* _SIMIX_SIMIX_H */