include/simgrid/simix.h

   1 /* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   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. */
   6
   7 #ifndef _SIMIX_SIMIX_H
   8 #define _SIMIX_SIMIX_H
   9
  10 #include "xbt/misc.h"
  11 #include "xbt/fifo.h"
  12 #include "xbt/dict.h"
  13 #include "xbt/file_stat.h"
  14 #include "xbt/function_types.h"
  15 #include "xbt/parmap.h"
  16 #include "xbt/swag.h"
  17
  18 SG_BEGIN_DECL()
  19
  20
  21 /* ******************************** Host ************************************ */
  22 /** @brief Host datatype
  23     @ingroup simix_host_management
  24
  25     A <em>location</em> (or <em>host</em>) is any possible place where
  26     a process may run. Thus it is represented as a <em>physical
  27     resource with computing capabilities</em>, some <em>mailboxes</em>
  28     to enable running process to communicate with remote ones, and
  29     some <em>private data</em> that can be only accessed by local
  30     process.
  31
  32     \see m_host_management
  33   @{ */
  34 typedef struct s_smx_host *smx_host_t;
  35 typedef enum {
  36   SIMIX_WAITING,
  37   SIMIX_READY,
  38   SIMIX_RUNNING,
  39   SIMIX_DONE,
  40   SIMIX_CANCELED,
  41   SIMIX_FAILED,
  42   SIMIX_SRC_HOST_FAILURE,
  43   SIMIX_DST_HOST_FAILURE,
  44   SIMIX_SRC_TIMEOUT,
  45   SIMIX_DST_TIMEOUT,
  46   SIMIX_LINK_FAILURE
  47 } e_smx_state_t;
  48 /** @} */
  49
  50
  51 typedef struct s_smx_timer* smx_timer_t;
  52
  53 /* ******************************** Synchro ************************************ */
  54 /**
  55  * \ingroup simix_synchro_management
  56  */
  57 typedef struct s_smx_mutex *smx_mutex_t;
  58 /**
  59  * \ingroup simix_synchro_management
  60  */
  61 typedef struct s_smx_cond *smx_cond_t;
  62 /**
  63  * \ingroup simix_synchro_management
  64  */
  65 typedef struct s_smx_sem *smx_sem_t;
  66
  67 /********************************** File *************************************/
  68 typedef struct s_smx_file *smx_file_t;
  69 typedef struct s_smx_stat *smx_stat_t;
  70
  71 /********************************** Action *************************************/
  72 typedef struct s_smx_action *smx_action_t; /* FIXME: replace by specialized action handlers */
  73
  74
  75
  76 /* ****************************** Process *********************************** */
  77 /** @brief Process datatype
  78     @ingroup simix_process_management
  79
  80     A processt may be defined as a <em>code</em>, with some <em>private
  81     data</em>, executing in a <em>location</em>.
  82     \see m_process_management
  83   @{ */
  84 typedef struct s_smx_process *smx_process_t;
  85 /** @} */
  86
  87
  88 /*
  89  * Type of function that creates a process.
  90  * The function must accept the following parameters:
  91  * void* process: the process created will be stored there
  92  * const char *name: a name for the object. It is for user-level information and can be NULL
  93  * xbt_main_func_t code: is a function describing the behavior of the process
  94  * void *data: data a pointer to any data one may want to attach to the new object.
  95  * smx_host_t host: the location where the new process is executed
  96  * int argc, char **argv: parameters passed to code
  97  * xbt_dict_t pros: properties
  98  */
  99 typedef void (*smx_creation_func_t) ( /* process */ smx_process_t*,
 100                                       /* name */ const char*,
 101                                       /* code */ xbt_main_func_t,
 102                                       /* userdata */ void*,
 103                                       /* hostname */ const char*,
 104                                       /* kill_time */ double,
 105                                       /* argc */ int,
 106                                       /* argv */ char**,
 107                                       /* props */ xbt_dict_t,
 108                                       /* auto_restart */ int);
 109
 110
 111 /******************************* Networking ***********************************/
 112 /**
 113  * \ingroup simix_rdv_management
 114  */
 115 typedef struct s_smx_rvpoint *smx_rdv_t;
 116
 117 /******************************** Context *************************************/
 118 typedef struct s_smx_context *smx_context_t;
 119 typedef struct s_smx_context_factory *smx_context_factory_t;
 120
 121 /* Process creation/destruction callbacks */
 122 typedef void (*void_pfn_smxprocess_t) (smx_process_t);
 123 /* Process kill */
 124 typedef void (*void_pfn_smxprocess_t_smxprocess_t) (smx_process_t, smx_process_t);
 125 /* for auto-restart function */
 126 typedef void (*void_pfn_smxhost_t) (smx_host_t);
 127
 128 /* The following function pointer types describe the interface that any context
 129    factory should implement */
 130
 131
 132 typedef smx_context_t(*smx_pfn_context_factory_create_context_t)
 133   (xbt_main_func_t, int, char **, void_pfn_smxprocess_t, void* data);
 134 typedef int (*smx_pfn_context_factory_finalize_t) (smx_context_factory_t*);
 135 typedef void (*smx_pfn_context_free_t) (smx_context_t);
 136 typedef void (*smx_pfn_context_start_t) (smx_context_t);
 137 typedef void (*smx_pfn_context_stop_t) (smx_context_t);
 138 typedef void (*smx_pfn_context_suspend_t) (smx_context_t context);
 139 typedef void (*smx_pfn_context_runall_t) (void);
 140 typedef smx_context_t (*smx_pfn_context_self_t) (void);
 141 typedef void* (*smx_pfn_context_get_data_t) (smx_context_t context);
 142
 143 /* interface of the context factories */
 144 typedef struct s_smx_context_factory {
 145   const char *name;
 146   smx_pfn_context_factory_create_context_t create_context;
 147   smx_pfn_context_factory_finalize_t finalize;
 148   smx_pfn_context_free_t free;
 149   smx_pfn_context_stop_t stop;
 150   smx_pfn_context_suspend_t suspend;
 151   smx_pfn_context_runall_t runall;
 152   smx_pfn_context_self_t self;
 153   smx_pfn_context_get_data_t get_data;
 154 } s_smx_context_factory_t;
 155
 156 /* Hack: let msg load directly the right factory */
 157 typedef void (*smx_ctx_factory_initializer_t)(smx_context_factory_t*);
 158 XBT_PUBLIC(smx_ctx_factory_initializer_t) smx_factory_initializer_to_use;
 159 extern char* smx_context_factory_name;
 160 extern int smx_context_stack_size;
 161
 162 #ifdef HAVE_THREAD_LOCAL_STORAGE
 163 extern __thread smx_context_t smx_current_context;
 164 #else
 165 extern smx_context_t smx_current_context;
 166 #endif
 167
 168 /* *********************** */
 169 /* Context type definition */
 170 /* *********************** */
 171 /* the following function pointers types describe the interface that all context
 172    concepts must implement */
 173 /* each context type derive from this structure, so they must contain this structure
 174  * at their beginning -- OOP in C :/ */
 175 typedef struct s_smx_context {
 176   s_xbt_swag_hookup_t hookup;
 177   xbt_main_func_t code;
 178   void_pfn_smxprocess_t cleanup_func;
 179   void *data;   /* Here SIMIX stores the smx_process_t containing the context */
 180   char **argv;
 181   int argc;
 182   unsigned iwannadie:1;
 183 } s_smx_ctx_base_t;
 184
 185 /* methods of this class */
 186 XBT_PUBLIC(void) smx_ctx_base_factory_init(smx_context_factory_t *factory);
 187 XBT_PUBLIC(int) smx_ctx_base_factory_finalize(smx_context_factory_t *factory);
 188
 189 XBT_PUBLIC(smx_context_t)
 190 smx_ctx_base_factory_create_context_sized(size_t size,
 191                                           xbt_main_func_t code, int argc,
 192                                           char **argv,
 193                                           void_pfn_smxprocess_t cleanup,
 194                                           void* data);
 195 XBT_PUBLIC(void) smx_ctx_base_free(smx_context_t context);
 196 XBT_PUBLIC(void) smx_ctx_base_stop(smx_context_t context);
 197 XBT_PUBLIC(smx_context_t) smx_ctx_base_self(void);
 198 XBT_PUBLIC(void) *smx_ctx_base_get_data(smx_context_t context);
 199
 200 XBT_PUBLIC(xbt_dynar_t) SIMIX_process_get_runnable(void);
 201 XBT_PUBLIC(smx_process_t) SIMIX_process_from_PID(int PID);
 202 XBT_PUBLIC(xbt_dynar_t) SIMIX_processes_as_dynar(void);
 203
 204 /* parallelism */
 205 XBT_PUBLIC(int) SIMIX_context_is_parallel(void);
 206 XBT_PUBLIC(int) SIMIX_context_get_nthreads(void);
 207 XBT_PUBLIC(void) SIMIX_context_set_nthreads(int nb_threads);
 208 XBT_PUBLIC(int) SIMIX_context_get_parallel_threshold(void);
 209 XBT_PUBLIC(void) SIMIX_context_set_parallel_threshold(int threshold);
 210 XBT_PUBLIC(e_xbt_parmap_mode_t) SIMIX_context_get_parallel_mode(void);
 211 XBT_PUBLIC(void) SIMIX_context_set_parallel_mode(e_xbt_parmap_mode_t mode);
 212
 213
 214
 215 /********************************** Global ************************************/
 216 /* Initialization and exit */
 217 XBT_PUBLIC(void) SIMIX_global_init(int *argc, char **argv);
 218 XBT_PUBLIC(void) SIMIX_clean(void);
 219
 220
 221 XBT_PUBLIC(void) SIMIX_function_register_process_cleanup(void_pfn_smxprocess_t function);
 222 XBT_PUBLIC(void) SIMIX_function_register_process_create(smx_creation_func_t function);
 223 XBT_PUBLIC(void) SIMIX_function_register_process_kill(void_pfn_smxprocess_t_smxprocess_t function);
 224
 225 /* Simulation execution */
 226 XBT_PUBLIC(void) SIMIX_run(void);
 227 XBT_PUBLIC(double) SIMIX_get_clock(void);
 228
 229 /* Timer functions FIXME: should these be public? */
 230 XBT_PUBLIC(void) SIMIX_timer_set(double date, void *function, void *arg);
 231 XBT_PUBLIC(double) SIMIX_timer_next(void);
 232
 233 XBT_PUBLIC(void) SIMIX_display_process_status(void);
 234
 235 /******************************* Environment **********************************/
 236 XBT_PUBLIC(void) SIMIX_create_environment(const char *file);
 237
 238 /******************************** Deployment **********************************/
 239
 240 XBT_PUBLIC(void) SIMIX_function_register(const char *name, xbt_main_func_t code);
 241 XBT_PUBLIC(void) SIMIX_function_register_default(xbt_main_func_t code);
 242 XBT_PUBLIC(xbt_main_func_t) SIMIX_get_registered_function(const char *name);
 243 XBT_PUBLIC(void) SIMIX_launch_application(const char *file);
 244 XBT_PUBLIC(void) SIMIX_process_set_function(const char* process_host,
 245                                             const char *process_function,
 246                                             xbt_dynar_t arguments,
 247                                             double process_start_time,
 248                                             double process_kill_time);
 249
 250 /*********************************** Host *************************************/
 251 XBT_PUBLIC(xbt_dict_t) SIMIX_host_get_dict(void);
 252 XBT_PUBLIC(smx_host_t) SIMIX_host_get_by_name(const char *name);
 253 XBT_PUBLIC(smx_host_t) SIMIX_host_self(void);
 254 XBT_PUBLIC(const char*) SIMIX_host_self_get_name(void);
 255 XBT_PUBLIC(const char*) SIMIX_host_get_name(smx_host_t host); /* FIXME: make private: only the name of SIMIX_host_self() should be public without request */
 256 XBT_PUBLIC(void) SIMIX_host_self_set_data(void *data);
 257 XBT_PUBLIC(void*) SIMIX_host_self_get_data(void);
 258 XBT_PUBLIC(void*) SIMIX_host_get_data(smx_host_t host);
 259 XBT_PUBLIC(void) SIMIX_host_set_data(smx_host_t host, void *data);
 260
 261 /********************************* Process ************************************/
 262 XBT_PUBLIC(int) SIMIX_process_count(void);
 263 XBT_PUBLIC(smx_process_t) SIMIX_process_self(void);
 264 XBT_PUBLIC(const char*) SIMIX_process_self_get_name(void);
 265 XBT_PUBLIC(void) SIMIX_process_self_set_data(smx_process_t self, void *data);
 266 XBT_PUBLIC(void*) SIMIX_process_self_get_data(smx_process_t self);
 267 XBT_PUBLIC(smx_context_t) SIMIX_process_get_context(smx_process_t);
 268 XBT_PUBLIC(void) SIMIX_process_set_context(smx_process_t p,smx_context_t c);
 269 XBT_PUBLIC(int) SIMIX_process_has_pending_comms(smx_process_t process);
 270 XBT_PUBLIC(void) SIMIX_process_on_exit_runall(smx_process_t process);
 271 XBT_PUBLIC(void) SIMIX_process_on_exit(smx_process_t process, int_f_pvoid_t fun, void *data);
 272
 273 /****************************** Communication *********************************/
 274 XBT_PUBLIC(void) SIMIX_comm_set_copy_data_callback(void (*callback) (smx_action_t, void*, size_t));
 275 XBT_PUBLIC(void) SIMIX_comm_copy_pointer_callback(smx_action_t comm, void* buff, size_t buff_size);
 276 XBT_PUBLIC(void) SIMIX_comm_copy_buffer_callback(smx_action_t comm, void* buff, size_t buff_size);
 277 XBT_PUBLIC(void) smpi_comm_copy_data_callback(smx_action_t comm, void* buff, size_t buff_size);
 278
 279 XBT_PUBLIC(smx_action_t) SIMIX_comm_get_send_match(smx_rdv_t rdv, int (*match_fun)(void*, void*), void* data);
 280 XBT_PUBLIC(int) SIMIX_comm_has_send_match(smx_rdv_t rdv, int (*match_fun)(void*, void*), void* data);
 281 XBT_PUBLIC(int) SIMIX_comm_has_recv_match(smx_rdv_t rdv, int (*match_fun)(void*, void*), void* data);
 282 XBT_PUBLIC(void) SIMIX_comm_finish(smx_action_t action);
 283
 284 /******************************************************************************/
 285 /*                            SIMIX simcalls                                  */
 286 /******************************************************************************/
 287 /* These functions are a system call-like interface to the simulation kernel. */
 288 /* They can also be called from maestro's context, and they are thread safe.  */
 289 /******************************************************************************/
 290
 291 /******************************* Host simcalls ********************************/
 292 /* TODO use handlers and keep smx_host_t hidden from higher levels */
 293 XBT_PUBLIC(xbt_dict_t) simcall_host_get_dict(void);
 294 XBT_PUBLIC(smx_host_t) simcall_host_get_by_name(const char *name);
 295 XBT_PUBLIC(const char *) simcall_host_get_name(smx_host_t host);
 296 XBT_PUBLIC(xbt_dict_t) simcall_host_get_properties(smx_host_t host);
 297 XBT_PUBLIC(double) simcall_host_get_speed(smx_host_t host);
 298 XBT_PUBLIC(double) simcall_host_get_available_speed(smx_host_t host);
 299 /* Two possible states, 1 - CPU ON and 0 CPU OFF */
 300 XBT_PUBLIC(int) simcall_host_get_state(smx_host_t host);
 301 XBT_PUBLIC(void *) simcall_host_get_data(smx_host_t host);
 302
 303 XBT_PUBLIC(void) simcall_host_set_data(smx_host_t host, void *data);
 304
 305 XBT_PUBLIC(smx_action_t) simcall_host_execute(const char *name, smx_host_t host,
 306                                                 double computation_amount,
 307                                                 double priority);
 308 XBT_PUBLIC(smx_action_t) simcall_host_parallel_execute(const char *name,
 309                                                      int host_nb,
 310                                                      smx_host_t *host_list,
 311                                                      double *computation_amount,
 312                                                      double *communication_amount,
 313                                                      double amount,
 314                                                      double rate);
 315 XBT_PUBLIC(void) simcall_host_execution_destroy(smx_action_t execution);
 316 XBT_PUBLIC(void) simcall_host_execution_cancel(smx_action_t execution);
 317 XBT_PUBLIC(double) simcall_host_execution_get_remains(smx_action_t execution);
 318 XBT_PUBLIC(e_smx_state_t) simcall_host_execution_get_state(smx_action_t execution);
 319 XBT_PUBLIC(void) simcall_host_execution_set_priority(smx_action_t execution, double priority);
 320 XBT_PUBLIC(e_smx_state_t) simcall_host_execution_wait(smx_action_t execution);
 321
 322
 323 /**************************** Process simcalls ********************************/
 324 /* Constructor and Destructor */
 325 XBT_PUBLIC(void) simcall_process_create(smx_process_t *process,
 326                                           const char *name,
 327                                           xbt_main_func_t code,
 328                                           void *data,
 329                                           const char *hostname,
 330                                           double kill_time,
 331                                           int argc, char **argv,
 332                                           xbt_dict_t properties,
 333                                           int auto_restart);
 334
 335 XBT_PUBLIC(void) simcall_process_kill(smx_process_t process);
 336 XBT_PUBLIC(void) simcall_process_killall(void);
 337
 338 /* Process handling */
 339 XBT_PUBLIC(void) simcall_process_cleanup(smx_process_t process);
 340 XBT_PUBLIC(void) simcall_process_change_host(smx_process_t process,
 341                  smx_host_t dest);
 342 XBT_PUBLIC(void) simcall_process_suspend(smx_process_t process);
 343 XBT_PUBLIC(void) simcall_process_resume(smx_process_t process);
 344
 345 /* Getters and Setters */
 346 XBT_PUBLIC(int) simcall_process_count(void);
 347 XBT_PUBLIC(void *) simcall_process_get_data(smx_process_t process);
 348 XBT_PUBLIC(void) simcall_process_set_data(smx_process_t process, void *data);
 349 XBT_PUBLIC(smx_host_t) simcall_process_get_host(smx_process_t process);
 350 XBT_PUBLIC(const char *) simcall_process_get_name(smx_process_t process);
 351 XBT_PUBLIC(int) simcall_process_is_suspended(smx_process_t process);
 352 XBT_PUBLIC(xbt_dict_t) simcall_process_get_properties(smx_process_t host);
 353 XBT_PUBLIC(void) simcall_process_set_kill_time(smx_process_t process, double kill_time);
 354 XBT_PUBLIC(void) simcall_process_on_exit(smx_process_t process, int_f_pvoid_t fun, void *data);
 355 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_process_t process, int auto_restart);
 356 XBT_PUBLIC(smx_process_t) simcall_process_restart(smx_process_t process);
 357 /* Sleep control */
 358 XBT_PUBLIC(e_smx_state_t) simcall_process_sleep(double duration);
 359
 360 /************************** Comunication simcalls *****************************/
 361 /***** Rendez-vous points *****/
 362
 363 XBT_PUBLIC(smx_rdv_t) simcall_rdv_create(const char *name);
 364 XBT_PUBLIC(void) simcall_rdv_destroy(smx_rdv_t rvp);
 365 XBT_PUBLIC(smx_rdv_t) simcall_rdv_get_by_name(const char *name);
 366 XBT_PUBLIC(int) simcall_rdv_comm_count_by_host(smx_rdv_t rdv, smx_host_t host);
 367 XBT_PUBLIC(smx_action_t) simcall_rdv_get_head(smx_rdv_t rdv);
 368 XBT_PUBLIC(smx_process_t) SIMIX_rdv_get_receiver(smx_rdv_t rdv);
 369 XBT_PUBLIC(void) SIMIX_rdv_set_receiver(smx_rdv_t rdv , smx_process_t process);
 370
 371 XBT_PUBLIC(xbt_dict_t) SIMIX_get_rdv_points(void);
 372
 373 /***** Communication simcalls *****/
 374
 375 XBT_PUBLIC(void) simcall_comm_send(smx_rdv_t rdv, double task_size,
 376                                      double rate, void *src_buff,
 377                                      size_t src_buff_size,
 378                                      int (*match_fun)(void *, void *, smx_action_t),
 379                                      void *data, double timeout);
 380
 381 XBT_PUBLIC(smx_action_t) simcall_comm_isend(smx_rdv_t rdv, double task_size,
 382                                               double rate, void *src_buff,
 383                                               size_t src_buff_size,
 384                                               int (*match_fun)(void *, void *, smx_action_t),
 385                                               void (*clean_fun)(void *),
 386                                               void *data, int detached);
 387
 388 XBT_PUBLIC(void) simcall_comm_recv(smx_rdv_t rdv, void *dst_buff,
 389                                      size_t * dst_buff_size,
 390                                      int (*match_fun)(void *, void *, smx_action_t),
 391                                      void *data, double timeout);
 392
 393 XBT_PUBLIC(smx_action_t) simcall_comm_irecv(smx_rdv_t rdv, void *dst_buff,
 394                                               size_t * dst_buff_size,
 395                                               int (*match_fun)(void *, void *, smx_action_t),
 396                                               void *data);
 397
 398 XBT_PUBLIC(void) simcall_comm_destroy(smx_action_t comm);
 399
 400 XBT_PUBLIC(void) simcall_comm_cancel(smx_action_t comm);
 401
 402 /* FIXME: waitany is going to be a vararg function, and should take a timeout */
 403 XBT_PUBLIC(unsigned int) simcall_comm_waitany(xbt_dynar_t comms);
 404 XBT_PUBLIC(void) simcall_comm_wait(smx_action_t comm, double timeout);
 405 XBT_PUBLIC(int) simcall_comm_test(smx_action_t comm);
 406 XBT_PUBLIC(int) simcall_comm_testany(xbt_dynar_t comms);
 407
 408 /* Getters and setters */
 409 XBT_PUBLIC(double) simcall_comm_get_remains(smx_action_t comm);
 410 XBT_PUBLIC(e_smx_state_t) simcall_comm_get_state(smx_action_t comm);
 411 XBT_PUBLIC(void *) simcall_comm_get_src_data(smx_action_t comm);
 412 XBT_PUBLIC(void *) simcall_comm_get_dst_data(smx_action_t comm);
 413 XBT_PUBLIC(smx_process_t) simcall_comm_get_src_proc(smx_action_t comm);
 414 XBT_PUBLIC(smx_process_t) simcall_comm_get_dst_proc(smx_action_t comm);
 415
 416 #ifdef HAVE_LATENCY_BOUND_TRACKING
 417 XBT_PUBLIC(int) simcall_comm_is_latency_bounded(smx_action_t comm);
 418 #endif
 419
 420 #ifdef HAVE_TRACING
 421 /************************** Tracing handling **********************************/
 422 XBT_PUBLIC(void) simcall_set_category(smx_action_t action, const char *category);
 423 #endif
 424
 425 /************************** Synchro simcalls **********************************/
 426
 427 XBT_PUBLIC(smx_mutex_t) simcall_mutex_init(void);
 428 XBT_PUBLIC(void) simcall_mutex_destroy(smx_mutex_t mutex);
 429 XBT_PUBLIC(void) simcall_mutex_lock(smx_mutex_t mutex);
 430 XBT_PUBLIC(int) simcall_mutex_trylock(smx_mutex_t mutex);
 431 XBT_PUBLIC(void) simcall_mutex_unlock(smx_mutex_t mutex);
 432
 433 XBT_PUBLIC(smx_cond_t) simcall_cond_init(void);
 434 XBT_PUBLIC(void) simcall_cond_destroy(smx_cond_t cond);
 435 XBT_PUBLIC(void) simcall_cond_signal(smx_cond_t cond);
 436 XBT_PUBLIC(void) simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex);
 437 XBT_PUBLIC(void) simcall_cond_wait_timeout(smx_cond_t cond,
 438                                          smx_mutex_t mutex,
 439                                          double max_duration);
 440 XBT_PUBLIC(void) simcall_cond_broadcast(smx_cond_t cond);
 441
 442 XBT_PUBLIC(smx_sem_t) simcall_sem_init(int capacity);
 443 XBT_PUBLIC(void) simcall_sem_destroy(smx_sem_t sem);
 444 XBT_PUBLIC(void) simcall_sem_release(smx_sem_t sem);
 445 XBT_PUBLIC(void) simcall_sem_release_forever(smx_sem_t sem);
 446 XBT_PUBLIC(int) simcall_sem_would_block(smx_sem_t sem);
 447 XBT_PUBLIC(void) simcall_sem_block_onto(smx_sem_t sem);
 448 XBT_PUBLIC(void) simcall_sem_acquire(smx_sem_t sem);
 449 XBT_PUBLIC(void) simcall_sem_acquire_timeout(smx_sem_t sem,
 450                                            double max_duration);
 451 XBT_PUBLIC(unsigned int) simcall_sem_acquire_any(xbt_dynar_t sems);
 452 XBT_PUBLIC(int) simcall_sem_get_capacity(smx_sem_t sem);
 453
 454 XBT_PUBLIC(double) simcall_file_read(void* ptr, size_t size, size_t nmemb, smx_file_t stream);
 455 XBT_PUBLIC(size_t) simcall_file_write(const void* ptr, size_t size, size_t nmemb, smx_file_t stream);
 456 XBT_PUBLIC(smx_file_t) simcall_file_open(const char* storage, const char* path, const char* mode);
 457 XBT_PUBLIC(int) simcall_file_close(smx_file_t fp);
 458 XBT_PUBLIC(int) simcall_file_stat(smx_file_t fd, s_file_stat_t *buf);
 459 XBT_PUBLIC(int) simcall_file_unlink(smx_file_t fd);
 460
 461 SG_END_DECL()
 462 #endif                          /* _SIMIX_SIMIX_H */