X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/aa19b8ec2814d04500c24d5df65a4e620e8e8969..d78a7f87e28a15c0f1e71e4510a055554e0e5e9b:/src/s4u/s4u_Mutex.cpp diff --git a/src/s4u/s4u_Mutex.cpp b/src/s4u/s4u_Mutex.cpp index f9bc89211a..8975cb7bae 100644 --- a/src/s4u/s4u_Mutex.cpp +++ b/src/s4u/s4u_Mutex.cpp @@ -1,18 +1,29 @@ -/* Copyright (c) 2006-2018. 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/forward.h" +#include "simgrid/mutex.h" #include "simgrid/s4u/Mutex.hpp" #include "src/kernel/activity/MutexImpl.hpp" +#include "src/mc/checker/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(); + mc::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) @@ -21,35 +32,72 @@ void Mutex::lock() */ void Mutex::unlock() { - simcall_mutex_unlock(pimpl_); + kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self(); + mc::MutexUnlockSimcall observer{issuer}; + 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(); + mc::MutexTrylockSimcall observer{issuer, pimpl_}; + return kernel::actor::simcall([&observer] { return observer.get_mutex()->try_lock(observer.get_issuer()); }, + &observer); } /** @brief Create a new mutex * * See @ref s4u_raii. */ -MutexPtr Mutex::createMutex() +MutexPtr Mutex::create() { - smx_mutex_t mutex = simcall_mutex_init(); + 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); - SIMIX_mutex_ref(mutex->pimpl_); + if (mutex->pimpl_) + mutex->pimpl_->ref(); } -void intrusive_ptr_release(Mutex* mutex) +void intrusive_ptr_release(const Mutex* mutex) { xbt_assert(mutex); - SIMIX_mutex_unref(mutex->pimpl_); + if (mutex->pimpl_) + mutex->pimpl_->unref(); } + } // namespace s4u } // namespace simgrid + +/* **************************** Public C interface *************************** */ +sg_mutex_t sg_mutex_init() +{ + simgrid::kernel::activity::MutexImpl* mutex = + simgrid::kernel::actor::simcall([] { return new simgrid::kernel::activity::MutexImpl(); }); + + return new simgrid::s4u::Mutex(mutex); +} + +void sg_mutex_lock(sg_mutex_t mutex) +{ + mutex->lock(); +} + +void sg_mutex_unlock(sg_mutex_t mutex) +{ + mutex->unlock(); +} + +int sg_mutex_try_lock(sg_mutex_t mutex) +{ + return mutex->try_lock(); +} + +void sg_mutex_destroy(const_sg_mutex_t mutex) +{ + delete mutex; +}