src/simix/smx_private.hpp

   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 SIMIX_PRIVATE_HPP
   7 #define SIMIX_PRIVATE_HPP
   8
   9 #include "simgrid/s4u/Actor.hpp"
  10 #include "src/kernel/actor/ActorImpl.hpp"
  11 #include "src/kernel/context/Context.hpp"
  12
  13 #include <boost/intrusive/list.hpp>
  14 #include <mutex>
  15 #include <unordered_map>
  16 #include <vector>
  17
  18 /********************************** Simix Global ******************************/
  19
  20 namespace simgrid {
  21 namespace simix {
  22
  23 class Global {
  24   friend XBT_PUBLIC bool simgrid::s4u::this_actor::is_maestro();
  25
  26 public:
  27   /**
  28    * Garbage collection
  29    *
  30    * Should be called some time to time to free the memory allocated for actors that have finished (or killed).
  31    */
  32   void empty_trash();
  33   void run_all_actors();
  34
  35   smx_context_factory_t context_factory = nullptr;
  36   std::vector<smx_actor_t> actors_to_run;
  37   std::vector<smx_actor_t> actors_that_ran;
  38   std::map<aid_t, smx_actor_t> process_list;
  39   boost::intrusive::list<kernel::actor::ActorImpl,
  40                          boost::intrusive::member_hook<kernel::actor::ActorImpl, boost::intrusive::list_member_hook<>,
  41                                                        &kernel::actor::ActorImpl::smx_destroy_list_hook>>
  42       actors_to_destroy;
  43 #if SIMGRID_HAVE_MC
  44   /* MCer cannot read members process_list and actors_to_destroy above in the remote process, so we copy the info it
  45    * needs in a dynar.
  46    * FIXME: This is supposed to be a temporary hack.
  47    * A better solution would be to change the split between MCer and MCed, where the responsibility
  48    *   to compute the list of the enabled transitions goes to the MCed.
  49    * That way, the MCer would not need to have the list of actors on its side.
  50    * These info could be published by the MCed to the MCer in a way inspired of vd.so
  51    */
  52   xbt_dynar_t actors_vector      = xbt_dynar_new(sizeof(smx_actor_t), nullptr);
  53   xbt_dynar_t dead_actors_vector = xbt_dynar_new(sizeof(smx_actor_t), nullptr);
  54 #endif
  55   smx_actor_t maestro_process   = nullptr;
  56
  57   // Maps function names to actor code:
  58   std::unordered_map<std::string, simgrid::simix::ActorCodeFactory> registered_functions;
  59
  60   // This might be used when no corresponding function name is registered:
  61   simgrid::simix::ActorCodeFactory default_function;
  62
  63   std::mutex mutex;
  64
  65   std::vector<simgrid::xbt::Task<void()>> tasks;
  66   std::vector<simgrid::xbt::Task<void()>> tasksTemp;
  67
  68   std::vector<simgrid::kernel::actor::ActorImpl*> daemons;
  69 };
  70 }
  71 }
  72
  73 XBT_PUBLIC_DATA std::unique_ptr<simgrid::simix::Global> simix_global;
  74
  75 XBT_PUBLIC void SIMIX_clean();
  76
  77 /******************************** Exceptions *********************************/
  78 /** @brief Ask to the provided ActorImpl to raise the provided exception */
  79 #define SMX_EXCEPTION(issuer, cat, val, msg)                                                                           \
  80   if (1) {                                                                                                             \
  81     simgrid::kernel::actor::ActorImpl* _smx_throw_issuer = (issuer); /* evaluate only once */                          \
  82     xbt_ex e(XBT_THROW_POINT, msg);                                                                                    \
  83     e.category                    = cat;                                                                               \
  84     e.value                       = val;                                                                               \
  85     _smx_throw_issuer->exception_ = std::make_exception_ptr(e);                                                        \
  86   } else                                                                                                               \
  87     ((void)0)
  88
  89 #endif