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 "src/simix/ActorImpl.hpp"
  12 #include <xbt/xbt_os_thread.h>
  13
  14 #include <boost/intrusive/list.hpp>
  15 #include <mutex>
  16 #include <unordered_map>
  17 #include <vector>
  18
  19 /********************************** Simix Global ******************************/
  20
  21 namespace simgrid {
  22 namespace simix {
  23
  24 class Global {
  25   friend XBT_PUBLIC bool simgrid::s4u::this_actor::is_maestro();
  26
  27 public:
  28   smx_context_factory_t context_factory = nullptr;
  29   std::vector<smx_actor_t> process_to_run;
  30   std::vector<smx_actor_t> process_that_ran;
  31   std::map<aid_t, smx_actor_t> process_list;
  32   boost::intrusive::list<kernel::actor::ActorImpl,
  33                          boost::intrusive::member_hook<kernel::actor::ActorImpl, boost::intrusive::list_member_hook<>,
  34                                                        &kernel::actor::ActorImpl::smx_destroy_list_hook>>
  35       process_to_destroy;
  36 #if SIMGRID_HAVE_MC
  37   /* MCer cannot read members process_list and process_to_destroy above in the remote process, so we copy the info it
  38    * needs in a dynar.
  39    * FIXME: This is supposed to be a temporary hack.
  40    * A better solution would be to change the split between MCer and MCed, where the responsibility
  41    *   to compute the list of the enabled transitions goes to the MCed.
  42    * That way, the MCer would not need to have the list of actors on its side.
  43    * These info could be published by the MCed to the MCer in a way inspired of vd.so
  44    */
  45   xbt_dynar_t actors_vector      = xbt_dynar_new(sizeof(smx_actor_t), nullptr);
  46   xbt_dynar_t dead_actors_vector = xbt_dynar_new(sizeof(smx_actor_t), nullptr);
  47 #endif
  48   smx_actor_t maestro_process   = nullptr;
  49
  50   // Maps function names to actor code:
  51   std::unordered_map<std::string, simgrid::simix::ActorCodeFactory> registered_functions;
  52
  53   // This might be used when no corresponding function name is registered:
  54   simgrid::simix::ActorCodeFactory default_function;
  55
  56   smx_creation_func_t create_process_function = nullptr;
  57   void_pfn_smxprocess_t kill_process_function = nullptr;
  58   /** Callback used when killing a SMX_process */
  59   void_pfn_smxprocess_t cleanup_process_function = nullptr;
  60   std::mutex mutex;
  61
  62   std::vector<simgrid::xbt::Task<void()>> tasks;
  63   std::vector<simgrid::xbt::Task<void()>> tasksTemp;
  64
  65   std::vector<simgrid::kernel::actor::ActorImpl*> daemons;
  66 };
  67 }
  68 }
  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 #endif