src/simix/smx_private.hpp

   1 /* Copyright (c) 2007-2018. 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 <csignal>
  12
  13 #include <boost/intrusive/list.hpp>
  14 #include <map>
  15 #include <vector>
  16
  17 /********************************** Simix Global ******************************/
  18
  19 namespace simgrid {
  20 namespace simix {
  21
  22 class Global {
  23   friend XBT_PUBLIC bool simgrid::s4u::this_actor::isMaestro();
  24
  25 public:
  26   smx_context_factory_t context_factory = nullptr;
  27   std::vector<smx_actor_t> process_to_run;
  28   std::vector<smx_actor_t> process_that_ran;
  29   std::map<aid_t, smx_actor_t> process_list;
  30   boost::intrusive::list<kernel::actor::ActorImpl,
  31                          boost::intrusive::member_hook<kernel::actor::ActorImpl, boost::intrusive::list_member_hook<>,
  32                                                        &kernel::actor::ActorImpl::smx_destroy_list_hook>>
  33       process_to_destroy;
  34 #if SIMGRID_HAVE_MC
  35   /* MCer cannot read members process_list and process_to_destroy above in the remote process, so we copy the info it
  36    * needs in a dynar.
  37    * FIXME: This is supposed to be a temporary hack.
  38    * A better solution would be to change the split between MCer and MCed, where the responsibility
  39    *   to compute the list of the enabled transitions goes to the MCed.
  40    * That way, the MCer would not need to have the list of actors on its side.
  41    * These info could be published by the MCed to the MCer in a way inspired of vd.so
  42    */
  43   xbt_dynar_t actors_vector      = xbt_dynar_new(sizeof(smx_actor_t), nullptr);
  44   xbt_dynar_t dead_actors_vector = xbt_dynar_new(sizeof(smx_actor_t), nullptr);
  45 #endif
  46   smx_actor_t maestro_process   = nullptr;
  47
  48   // Maps function names to actor code:
  49   std::unordered_map<std::string, simgrid::simix::ActorCodeFactory> registered_functions;
  50
  51   // This might be used when no corresponding function name is registered:
  52   simgrid::simix::ActorCodeFactory default_function;
  53
  54   smx_creation_func_t create_process_function = nullptr;
  55   void_pfn_smxprocess_t kill_process_function = nullptr;
  56   /** Callback used when killing a SMX_process */
  57   void_pfn_smxprocess_t cleanup_process_function = nullptr;
  58   xbt_os_mutex_t mutex                           = nullptr;
  59
  60   std::vector<simgrid::xbt::Task<void()>> tasks;
  61   std::vector<simgrid::xbt::Task<void()>> tasksTemp;
  62
  63   std::vector<simgrid::kernel::actor::ActorImpl*> daemons;
  64 };
  65 }
  66 }
  67
  68 extern "C" {
  69
  70 XBT_PUBLIC_DATA std::unique_ptr<simgrid::simix::Global> simix_global;
  71
  72 XBT_PUBLIC void SIMIX_clean();
  73
  74 /******************************** Exceptions *********************************/
  75 /** @brief Ask to the provided ActorImpl to raise the provided exception */
  76 #define SMX_EXCEPTION(issuer, cat, val, msg)                                                                           \
  77   if (1) {                                                                                                             \
  78     simgrid::kernel::actor::ActorImpl* _smx_throw_issuer = (issuer); /* evaluate only once */                          \
  79     xbt_ex e(XBT_THROW_POINT, msg);                                                                                    \
  80     e.category                   = cat;                                                                                \
  81     e.value                      = val;                                                                                \
  82     _smx_throw_issuer->exception = std::make_exception_ptr(e);                                                         \
  83   } else                                                                                                               \
  84     ((void)0)
  85 }
  86
  87 #endif