-/* Copyright (c) 2012-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2012-2021. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-#ifndef SIMIX_MUTEXIMPL_HPP
-#define SIMIX_MUTEXIMPL_HPP
+#ifndef SIMGRID_KERNEL_ACTIVITY_MUTEX_HPP
+#define SIMGRID_KERNEL_ACTIVITY_MUTEX_HPP
-#include "simgrid/s4u/ConditionVariable.hpp"
-#include "src/simix/ActorImpl.hpp"
+#include "simgrid/s4u/Mutex.hpp"
+#include "src/kernel/actor/ActorImpl.hpp"
#include <boost/intrusive/list.hpp>
namespace simgrid {
namespace activity {
class XBT_PUBLIC MutexImpl {
+ std::atomic_int_fast32_t refcount_{1};
+ s4u::Mutex piface_;
+ bool locked_ = false;
+ actor::ActorImpl* owner_ = nullptr;
+ // List of sleeping actors:
+ actor::SynchroList sleeping_;
+
public:
- MutexImpl();
- ~MutexImpl();
+ MutexImpl() : piface_(this) {}
MutexImpl(MutexImpl const&) = delete;
MutexImpl& operator=(MutexImpl const&) = delete;
- void lock(smx_actor_t issuer);
- bool try_lock(smx_actor_t issuer);
- void unlock(smx_actor_t issuer);
+ void lock(actor::ActorImpl* issuer);
+ bool try_lock(actor::ActorImpl* issuer);
+ void unlock(actor::ActorImpl* issuer);
+ bool is_locked() const { return locked_; }
+
+ MutexImpl* ref();
+ void unref();
- bool locked = false;
- smx_actor_t owner = nullptr;
- // List of sleeping processes:
- simgrid::kernel::actor::SynchroList sleeping;
+ void remove_sleeping_actor(actor::ActorImpl& actor) { xbt::intrusive_erase(sleeping_, actor); }
+ actor::ActorImpl* get_owner() const { return owner_; }
// boost::intrusive_ptr<Mutex> support:
friend void intrusive_ptr_add_ref(MutexImpl* mutex)
XBT_ATTRIB_UNUSED auto previous = mutex->refcount_.fetch_add(1);
xbt_assert(previous != 0);
}
+
friend void intrusive_ptr_release(MutexImpl* mutex)
{
if (mutex->refcount_.fetch_sub(1) == 1)
delete mutex;
}
- simgrid::s4u::Mutex& mutex() { return mutex_; }
-
-private:
- std::atomic_int_fast32_t refcount_{1};
- simgrid::s4u::Mutex mutex_;
+ s4u::Mutex& mutex() { return piface_; }
};
-}
-}
-}
-#endif /* SIMIX_MUTEXIMPL_HPP */
+} // namespace activity
+} // namespace kernel
+} // namespace simgrid
+#endif