src/kernel/activity/ActivityImpl.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 SIMGRID_KERNEL_ACTIVITY_ACTIVITYIMPL_HPP
   7 #define SIMGRID_KERNEL_ACTIVITY_ACTIVITYIMPL_HPP
   8
   9 #include <string>
  10 #include <list>
  11
  12 #include <xbt/base.h>
  13 #include "simgrid/forward.h"
  14
  15 #include <atomic>
  16 #include <simgrid/kernel/resource/Action.hpp>
  17 #include <simgrid/simix.hpp>
  18
  19 namespace simgrid {
  20 namespace kernel {
  21 namespace activity {
  22
  23 class XBT_PUBLIC ActivityImpl {
  24 public:
  25   ActivityImpl() = default;
  26   explicit ActivityImpl(std::string name) : name_(std::move(name)) {}
  27   virtual ~ActivityImpl() = default;
  28   e_smx_state_t state_ = SIMIX_WAITING; /* State of the activity */
  29   std::string name_;                    /* Activity name if any */
  30   std::list<smx_simcall_t> simcalls_;   /* List of simcalls waiting for this activity */
  31   resource::Action* surf_action_ = nullptr;
  32
  33   virtual void suspend();
  34   virtual void resume();
  35   virtual void post()    = 0; // What to do when a simcall terminates
  36
  37   void set_category(std::string category);
  38
  39   // boost::intrusive_ptr<ActivityImpl> support:
  40   friend XBT_PUBLIC void intrusive_ptr_add_ref(ActivityImpl* activity);
  41   friend XBT_PUBLIC void intrusive_ptr_release(ActivityImpl* activity);
  42
  43 private:
  44   std::atomic_int_fast32_t refcount_{0};
  45
  46 public:
  47   static simgrid::xbt::signal<void(ActivityImplPtr)> on_suspended;
  48   static simgrid::xbt::signal<void(ActivityImplPtr)> on_resumed;
  49 };
  50 }}} // namespace simgrid::kernel::activity
  51
  52 #endif /* SIMGRID_KERNEL_ACTIVITY_ACTIVITYIMPL_HPP */