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/context/Context.hpp"
  11 #include "src/simix/ActorImpl.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   smx_context_factory_t context_factory = nullptr;
  28   std::vector<smx_actor_t> process_to_run;
  29   std::vector<smx_actor_t> process_that_ran;
  30   std::map<aid_t, smx_actor_t> process_list;
  31   boost::intrusive::list<kernel::actor::ActorImpl,
  32                          boost::intrusive::member_hook<kernel::actor::ActorImpl, boost::intrusive::list_member_hook<>,
  33                                                        &kernel::actor::ActorImpl::smx_destroy_list_hook>>
  34       process_to_destroy;
  35 #if SIMGRID_HAVE_MC
  36   /* MCer cannot read members process_list and process_to_destroy above in the remote process, so we copy the info it
  37    * needs in a dynar.
  38    * FIXME: This is supposed to be a temporary hack.
  39    * A better solution would be to change the split between MCer and MCed, where the responsibility
  40    *   to compute the list of the enabled transitions goes to the MCed.
  41    * That way, the MCer would not need to have the list of actors on its side.
  42    * These info could be published by the MCed to the MCer in a way inspired of vd.so
  43    */
  44   xbt_dynar_t actors_vector      = xbt_dynar_new(sizeof(smx_actor_t), nullptr);
  45   xbt_dynar_t dead_actors_vector = xbt_dynar_new(sizeof(smx_actor_t), nullptr);
  46 #endif
  47   smx_actor_t maestro_process   = nullptr;
  48
  49   // Maps function names to actor code:
  50   std::unordered_map<std::string, simgrid::simix::ActorCodeFactory> registered_functions;
  51
  52   // This might be used when no corresponding function name is registered:
  53   simgrid::simix::ActorCodeFactory default_function;
  54
  55   std::mutex mutex;
  56
  57   std::vector<simgrid::xbt::Task<void()>> tasks;
  58   std::vector<simgrid::xbt::Task<void()>> tasksTemp;
  59
  60   std::vector<simgrid::kernel::actor::ActorImpl*> daemons;
  61 };
  62 }
  63 }
  64
  65 XBT_PUBLIC_DATA std::unique_ptr<simgrid::simix::Global> simix_global;
  66
  67 XBT_PUBLIC void SIMIX_clean();
  68
  69 /******************************** Exceptions *********************************/
  70 /** @brief Ask to the provided ActorImpl to raise the provided exception */
  71 #define SMX_EXCEPTION(issuer, cat, val, msg)                                                                           \
  72   if (1) {                                                                                                             \
  73     simgrid::kernel::actor::ActorImpl* _smx_throw_issuer = (issuer); /* evaluate only once */                          \
  74     xbt_ex e(XBT_THROW_POINT, msg);                                                                                    \
  75     e.category                   = cat;                                                                                \
  76     e.value                      = val;                                                                                \
  77     _smx_throw_issuer->exception = std::make_exception_ptr(e);                                                         \
  78   } else                                                                                                               \
  79     ((void)0)
  80
  81 #endif