1 /* Copyright (c) 2006-2019. The SimGrid Team. All rights reserved. */
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. */
6 #include "simgrid/s4u/Mutex.hpp"
7 #include "src/kernel/activity/MutexImpl.hpp"
14 if (pimpl_ != nullptr)
18 /** @brief Blocks the calling actor until the mutex can be obtained */
21 simcall_mutex_lock(pimpl_);
24 /** @brief Release the ownership of the mutex, unleashing a blocked actor (if any)
26 * Will fail if the calling actor does not own the mutex.
30 simcall_mutex_unlock(pimpl_);
33 /** @brief Acquire the mutex if it's free, and return false (without blocking) if not */
34 bool Mutex::try_lock()
36 return simcall_mutex_trylock(pimpl_);
39 /** @brief Create a new mutex
43 MutexPtr Mutex::create()
45 kernel::activity::MutexImpl* mutex = simix::simcall([] { return new kernel::activity::MutexImpl(); });
46 return MutexPtr(&mutex->mutex(), false);
49 /* refcounting of the intrusive_ptr is delegated to the implementation object */
50 void intrusive_ptr_add_ref(Mutex* mutex)
56 void intrusive_ptr_release(Mutex* mutex)
60 mutex->pimpl_->unref();
64 } // namespace simgrid