src/kernel/activity/ConditionVariableImpl.hpp

   1 /* Copyright (c) 2012-2018. 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 SIMGRID_KERNEL_ACTIVITY_CONDITIONVARIABLEIMPL_HPP
   7 #define SIMGRID_KERNEL_ACTIVITY_CONDITIONVARIABLEIMPL_HPP
   8
   9 #include "simgrid/s4u/ConditionVariable.hpp"
  10 #include "src/simix/ActorImpl.hpp"
  11 #include <boost/intrusive/list.hpp>
  12
  13 namespace simgrid {
  14 namespace kernel {
  15 namespace activity {
  16
  17 class XBT_PUBLIC ConditionVariableImpl {
  18 public:
  19   ConditionVariableImpl();
  20   ~ConditionVariableImpl();
  21
  22   simgrid::kernel::actor::SynchroList sleeping; /* list of sleeping processes */
  23   smx_mutex_t mutex = nullptr;
  24   simgrid::s4u::ConditionVariable cond_;
  25
  26   void broadcast();
  27   void signal();
  28
  29 private:
  30   std::atomic_int_fast32_t refcount_{1};
  31   friend void intrusive_ptr_add_ref(ConditionVariableImpl* cond);
  32   friend void intrusive_ptr_release(ConditionVariableImpl* cond);
  33 };
  34 } // namespace activity
  35 } // namespace kernel
  36 } // namespace simgrid
  37 XBT_PRIVATE smx_cond_t SIMIX_cond_init();
  38
  39 // simcall handlers
  40 XBT_PRIVATE void simcall_HANDLER_cond_signal(smx_simcall_t simcall, smx_cond_t cond);
  41 XBT_PRIVATE void simcall_HANDLER_cond_broadcast(smx_simcall_t simcall, smx_cond_t cond);
  42
  43 #endif