-/* Copyright (c) 2006-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2006-2021. 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. */
#include "simgrid/mutex.h"
#include "simgrid/s4u/Mutex.hpp"
#include "src/kernel/activity/MutexImpl.hpp"
+#include "src/kernel/actor/SimcallObserver.hpp"
namespace simgrid {
namespace s4u {
-Mutex::~Mutex()
-{
- if (pimpl_ != nullptr)
- pimpl_->unref();
-}
-
/** @brief Blocks the calling actor until the mutex can be obtained */
void Mutex::lock()
{
- simcall_mutex_lock(pimpl_);
+ kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
+ kernel::actor::MutexLockSimcall observer{issuer, pimpl_};
+ kernel::actor::simcall_blocking([&observer] { observer.get_mutex()->lock(observer.get_issuer()); }, &observer);
}
/** @brief Release the ownership of the mutex, unleashing a blocked actor (if any)
*/
void Mutex::unlock()
{
- simcall_mutex_unlock(pimpl_);
+ kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
+ kernel::actor::MutexUnlockSimcall observer{issuer, pimpl_};
+ kernel::actor::simcall([this, issuer] { this->pimpl_->unlock(issuer); }, &observer);
}
/** @brief Acquire the mutex if it's free, and return false (without blocking) if not */
bool Mutex::try_lock()
{
- return simcall_mutex_trylock(pimpl_);
+ kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
+ kernel::actor::MutexLockSimcall observer{issuer, pimpl_, false};
+ return kernel::actor::simcall([&observer] { return observer.get_mutex()->try_lock(observer.get_issuer()); },
+ &observer);
}
/** @brief Create a new mutex
*/
MutexPtr Mutex::create()
{
- kernel::activity::MutexImpl* mutex = simix::simcall([] { return new kernel::activity::MutexImpl(); });
+ auto* mutex = new kernel::activity::MutexImpl();
return MutexPtr(&mutex->mutex(), false);
}
/* refcounting of the intrusive_ptr is delegated to the implementation object */
-void intrusive_ptr_add_ref(Mutex* mutex)
+void intrusive_ptr_add_ref(const Mutex* mutex)
{
xbt_assert(mutex);
- if (mutex->pimpl_)
- mutex->pimpl_->ref();
+ mutex->pimpl_->ref();
}
-void intrusive_ptr_release(Mutex* mutex)
+void intrusive_ptr_release(const Mutex* mutex)
{
xbt_assert(mutex);
- if (mutex->pimpl_)
- mutex->pimpl_->unref();
+ mutex->pimpl_->unref();
}
} // namespace s4u
/* **************************** Public C interface *************************** */
sg_mutex_t sg_mutex_init()
{
- simgrid::kernel::activity::MutexImpl* mutex =
- simgrid::simix::simcall([] { return new simgrid::kernel::activity::MutexImpl(); });
-
- return new simgrid::s4u::Mutex(mutex);
+ return simgrid::s4u::Mutex::create().detach();
}
void sg_mutex_lock(sg_mutex_t mutex)
return mutex->try_lock();
}
-void sg_mutex_destroy(sg_mutex_t mutex)
+void sg_mutex_destroy(const_sg_mutex_t mutex)
{
- delete mutex;
+ intrusive_ptr_release(mutex);
}