include/simgrid/simix.h

   1 /* Copyright (c) 2007-2019. 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 SIMGRID_SIMIX_H
   7 #define SIMGRID_SIMIX_H
   8
   9 #include <simgrid/forward.h>
  10 #include <simgrid/host.h>
  11 #include <xbt/ex.h>
  12 #include <xbt/parmap.h>
  13 #ifdef __cplusplus
  14 #include <functional>
  15 #include <string>
  16 #include <unordered_map>
  17 #include <vector>
  18 #endif
  19
  20 /* ******************************** Host ************************************ */
  21 /** @brief Host datatype
  22     @ingroup simix_host_management
  23
  24     A <em>location</em> (or <em>host</em>) is any possible place where
  25     a process may run. Thus it is represented as a <em>physical
  26     resource with computing capabilities</em>, some <em>mailboxes</em>
  27     to enable running process to communicate with remote ones, and
  28     some <em>private data</em> that can be only accessed by local
  29     process.
  30
  31     @see m_host_management
  32   @{ */
  33 typedef enum {
  34   SIMIX_WAITING,
  35   SIMIX_READY,
  36   SIMIX_RUNNING,
  37   SIMIX_DONE,
  38   SIMIX_CANCELED,
  39   SIMIX_FAILED,
  40   SIMIX_SRC_HOST_FAILURE,
  41   SIMIX_DST_HOST_FAILURE,
  42   SIMIX_TIMEOUT,
  43   SIMIX_SRC_TIMEOUT,
  44   SIMIX_DST_TIMEOUT,
  45   SIMIX_LINK_FAILURE
  46 } e_smx_state_t;
  47 /** @} */
  48
  49 /* ****************************** Process *********************************** */
  50
  51 typedef enum {
  52   SMX_EXIT_SUCCESS = 0,
  53   SMX_EXIT_FAILURE = 1
  54 } smx_process_exit_status_t;
  55 /** @} */
  56
  57 /******************************* Networking ***********************************/
  58 extern unsigned smx_context_stack_size;
  59 extern unsigned smx_context_guard_size;
  60
  61 SG_BEGIN_DECL()
  62
  63 XBT_PUBLIC smx_actor_t SIMIX_process_from_PID(aid_t PID);
  64
  65 /* parallelism */
  66 XBT_PUBLIC int SIMIX_context_is_parallel();
  67 XBT_PUBLIC int SIMIX_context_get_nthreads();
  68 XBT_PUBLIC void SIMIX_context_set_nthreads(int nb_threads);
  69 XBT_PUBLIC int SIMIX_context_get_parallel_threshold();
  70 XBT_PUBLIC void SIMIX_context_set_parallel_threshold(int threshold);
  71 XBT_PUBLIC e_xbt_parmap_mode_t SIMIX_context_get_parallel_mode();
  72 XBT_PUBLIC void SIMIX_context_set_parallel_mode(e_xbt_parmap_mode_t mode);
  73 XBT_PUBLIC int SIMIX_is_maestro();
  74
  75 /********************************** Global ************************************/
  76 /* Initialization and exit */
  77 XBT_PUBLIC void SIMIX_global_init(int* argc, char** argv);
  78
  79 /* Set to execute in the maestro
  80  *
  81  * If no maestro code is registered (the default), the main thread
  82  * is assumed to be the maestro. */
  83 XBT_PUBLIC void SIMIX_set_maestro(void (*code)(void*), void* data);
  84
  85 /* Simulation execution */
  86 XBT_PUBLIC void SIMIX_run();
  87 XBT_PUBLIC double SIMIX_get_clock();
  88
  89 XBT_PUBLIC smx_timer_t SIMIX_timer_set(double date, void (*function)(void*), void* arg);
  90 XBT_PUBLIC void SIMIX_timer_remove(smx_timer_t timer);
  91 XBT_PUBLIC double SIMIX_timer_next();
  92 XBT_PUBLIC double SIMIX_timer_get_date(smx_timer_t timer);
  93
  94 XBT_PUBLIC void SIMIX_display_process_status();
  95 SG_END_DECL()
  96
  97 /******************************** Deployment **********************************/
  98 SG_BEGIN_DECL()
  99 XBT_PUBLIC void SIMIX_function_register_default(xbt_main_func_t code);
 100
 101 XBT_PUBLIC void SIMIX_init_application();
 102 XBT_PUBLIC void SIMIX_process_set_function(const char* process_host, const char* process_function,
 103                                            xbt_dynar_t arguments, double process_start_time, double process_kill_time);
 104 SG_END_DECL()
 105
 106 #ifdef __cplusplus
 107 XBT_PUBLIC void SIMIX_function_register(const std::string& name, void (*code)(std::vector<std::string>));
 108 XBT_PUBLIC void SIMIX_function_register(const std::string& name, xbt_main_func_t code);
 109 XBT_PUBLIC void SIMIX_launch_application(const std::string& file);
 110 #endif
 111
 112 /*********************************** Host *************************************/
 113 /* Functions for running a process in main()
 114  *
 115  *  1. create the maestro process
 116  *  2. attach (create a context and wait for maestro to give control back to you)
 117  *  3. do you process job
 118  *  4. detach (this waits for the simulation to terminate)
 119  */
 120
 121 #ifdef __cplusplus
 122 XBT_ATTRIB_DEPRECATED_v325("Please use ActorImpl::attach() or sg_actor_attach()") XBT_PUBLIC smx_actor_t
 123     SIMIX_process_attach(const char* name, void* data, const char* hostname,
 124                          std::unordered_map<std::string, std::string>* properties, smx_actor_t parent_process);
 125 #endif
 126 SG_BEGIN_DECL()
 127 XBT_ATTRIB_DEPRECATED_v325("Please use ActorImpl::detach() or sg_actor_detach()") XBT_PUBLIC
 128     void SIMIX_process_detach();
 129 SG_END_DECL()
 130
 131 /********************************* Process ************************************/
 132 SG_BEGIN_DECL()
 133 XBT_PUBLIC int SIMIX_process_count();
 134 XBT_PUBLIC smx_actor_t SIMIX_process_self();
 135 XBT_PUBLIC const char* SIMIX_process_self_get_name();
 136 XBT_PUBLIC void SIMIX_process_self_set_data(void* data);
 137 XBT_PUBLIC void* SIMIX_process_self_get_data();
 138 XBT_ATTRIB_DEPRECATED_v325("Please manifest if you actually need this function") XBT_PUBLIC
 139     int SIMIX_process_has_pending_comms(smx_actor_t process);
 140 XBT_ATTRIB_DEPRECATED_v325("Please use SIMIX_process_on_exit(smx_actor_t, const std::function<void(bool)>&)") XBT_PUBLIC
 141     void SIMIX_process_on_exit(smx_actor_t process, int_f_pvoid_pvoid_t fun, void* data);
 142 SG_END_DECL()
 143
 144 #ifdef __cplusplus
 145 XBT_ATTRIB_DEPRECATED_v325("Please use SIMIX_process_on_exit(smx_actor_t, const std::function<void(bool)>&)") XBT_PUBLIC
 146     void SIMIX_process_on_exit(smx_actor_t process, const std::function<void(int, void*)>& fun, void* data);
 147 XBT_PUBLIC void SIMIX_process_on_exit(smx_actor_t process, const std::function<void(bool /*failed*/)>& fun);
 148 #endif
 149
 150 /****************************** Communication *********************************/
 151 #ifdef __cplusplus
 152 XBT_PUBLIC void SIMIX_comm_set_copy_data_callback(void (*callback)(simgrid::kernel::activity::CommImpl*, void*,
 153                                                                    size_t));
 154 XBT_PUBLIC void SIMIX_comm_copy_pointer_callback(simgrid::kernel::activity::CommImpl* comm, void* buff,
 155                                                  size_t buff_size);
 156 XBT_PUBLIC void SIMIX_comm_copy_buffer_callback(simgrid::kernel::activity::CommImpl* comm, void* buff,
 157                                                 size_t buff_size);
 158 #endif
 159
 160 XBT_ATTRIB_DEPRECATED_v325("Please use CommImpl::finish()") XBT_PUBLIC void SIMIX_comm_finish(smx_activity_t synchro);
 161
 162 /******************************************************************************/
 163 /*                            SIMIX simcalls                                  */
 164 /******************************************************************************/
 165 /* These functions are a system call-like interface to the simulation kernel. */
 166 /* They can also be called from maestro's context, and they are thread safe.  */
 167 /******************************************************************************/
 168
 169 /******************************* Host simcalls ********************************/
 170 #ifdef __cplusplus
 171 XBT_PUBLIC e_smx_state_t simcall_execution_wait(const smx_activity_t& execution);
 172 XBT_PUBLIC unsigned int simcall_execution_waitany_for(simgrid::kernel::activity::ExecImpl* execs[], size_t count,
 173                                                       double timeout);
 174 XBT_PUBLIC bool simcall_execution_test(const smx_activity_t& execution);
 175 #endif
 176
 177 /**************************** Process simcalls ********************************/
 178 SG_BEGIN_DECL()
 179 void simcall_process_set_data(smx_actor_t process, void* data);
 180 XBT_ATTRIB_DEPRECATED_v327("Please use Actor::suspend()") XBT_PUBLIC void simcall_process_suspend(smx_actor_t process);
 181
 182 XBT_ATTRIB_DEPRECATED_v327("Please use Actor::join()") XBT_PUBLIC
 183     void simcall_process_join(smx_actor_t process, double timeout);
 184
 185 /* Sleep control */
 186 XBT_PUBLIC e_smx_state_t simcall_process_sleep(double duration);
 187 SG_END_DECL()
 188
 189 /************************** Comunication simcalls *****************************/
 190
 191 #ifdef __cplusplus
 192 XBT_PUBLIC void simcall_comm_send(smx_actor_t sender, smx_mailbox_t mbox, double task_size, double rate, void* src_buff,
 193                                   size_t src_buff_size,
 194                                   int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
 195                                   void (*copy_data_fun)(simgrid::kernel::activity::CommImpl*, void*, size_t),
 196                                   void* data, double timeout);
 197
 198 XBT_PUBLIC smx_activity_t simcall_comm_isend(smx_actor_t sender, smx_mailbox_t mbox, double task_size, double rate,
 199                                              void* src_buff, size_t src_buff_size,
 200                                              int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
 201                                              void (*clean_fun)(void*),
 202                                              void (*copy_data_fun)(simgrid::kernel::activity::CommImpl*, void*, size_t),
 203                                              void* data, bool detached);
 204
 205 XBT_PUBLIC void simcall_comm_recv(smx_actor_t receiver, smx_mailbox_t mbox, void* dst_buff, size_t* dst_buff_size,
 206                                   int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
 207                                   void (*copy_data_fun)(simgrid::kernel::activity::CommImpl*, void*, size_t),
 208                                   void* data, double timeout, double rate);
 209
 210 XBT_PUBLIC smx_activity_t simcall_comm_irecv(smx_actor_t receiver, smx_mailbox_t mbox, void* dst_buff,
 211                                              size_t* dst_buff_size,
 212                                              int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
 213                                              void (*copy_data_fun)(simgrid::kernel::activity::CommImpl*, void*, size_t),
 214                                              void* data, double rate);
 215
 216 XBT_PUBLIC smx_activity_t simcall_comm_iprobe(smx_mailbox_t mbox, int type,
 217                                               int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
 218                                               void* data);
 219
 220 /* FIXME: waitany is going to be a vararg function, and should take a timeout */
 221 XBT_PUBLIC unsigned int simcall_comm_waitany(smx_activity_t comms[], size_t count, double timeout);
 222 XBT_PUBLIC unsigned int simcall_comm_waitany(simgrid::kernel::activity::CommImpl* comms[], size_t count,
 223                                              double timeout);
 224 XBT_PUBLIC void simcall_comm_wait(const smx_activity_t& comm, double timeout);
 225 XBT_PUBLIC bool simcall_comm_test(const smx_activity_t& comm);
 226 XBT_PUBLIC int simcall_comm_testany(smx_activity_t comms[], size_t count);
 227 XBT_PUBLIC int simcall_comm_testany(simgrid::kernel::activity::CommImpl* comms[], size_t count);
 228 #endif
 229
 230 /************************** Synchro simcalls **********************************/
 231 SG_BEGIN_DECL()
 232 XBT_PUBLIC smx_mutex_t simcall_mutex_init();
 233 XBT_PUBLIC void simcall_mutex_lock(smx_mutex_t mutex);
 234 XBT_PUBLIC int simcall_mutex_trylock(smx_mutex_t mutex);
 235 XBT_PUBLIC void simcall_mutex_unlock(smx_mutex_t mutex);
 236
 237 XBT_PUBLIC smx_cond_t simcall_cond_init();
 238 XBT_PUBLIC void simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex);
 239 XBT_PUBLIC int simcall_cond_wait_timeout(smx_cond_t cond, smx_mutex_t mutex, double max_duration);
 240
 241 XBT_PUBLIC void simcall_sem_acquire(smx_sem_t sem);
 242 XBT_PUBLIC int simcall_sem_acquire_timeout(smx_sem_t sem, double max_duration);
 243 SG_END_DECL()
 244
 245 /*****************************   Io   **************************************/
 246 #ifdef __cplusplus
 247 XBT_PUBLIC e_smx_state_t simcall_io_wait(const smx_activity_t& io);
 248 #endif
 249 /************************** MC simcalls   **********************************/
 250 SG_BEGIN_DECL()
 251 XBT_PUBLIC int simcall_mc_random(int min, int max);
 252 SG_END_DECL()
 253
 254 /***************************** DEPRECATED CALLS ****************************/
 255 SG_BEGIN_DECL()
 256 XBT_ATTRIB_DEPRECATED_v325("Please use sg_actor_set_kill_time()") XBT_PUBLIC
 257     void simcall_process_set_kill_time(smx_actor_t process, double kill_time);
 258
 259 XBT_ATTRIB_DEPRECATED_v325("Please use Comm::cancel()") XBT_PUBLIC void simcall_comm_cancel(smx_activity_t comm);
 260
 261 XBT_ATTRIB_DEPRECATED_v325("Please use Exec::cancel()") XBT_PUBLIC
 262     void simcall_execution_cancel(smx_activity_t execution);
 263 XBT_ATTRIB_DEPRECATED_v325("Please use Exec::set_bound()") XBT_PUBLIC
 264     void simcall_execution_set_bound(smx_activity_t execution, double bound);
 265 SG_END_DECL()
 266
 267 #ifdef __cplusplus
 268 XBT_ATTRIB_DEPRECATED_v325("Please use Exec::start()") XBT_PUBLIC smx_activity_t
 269     simcall_execution_start(const std::string& name, const std::string& category, double flops_amount,
 270                             double sharing_penalty, double bound, sg_host_t host);
 271
 272 // Should be deprecated in v325 too but is still used in other deprecated calls
 273 XBT_PUBLIC smx_activity_t simcall_execution_parallel_start(const std::string& name, int host_nb,
 274                                                            const sg_host_t* host_list, const double* flops_amount,
 275                                                            const double* bytes_amount, double rate, double timeout);
 276 #endif
 277
 278 #endif