X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/640e6f6494f5e1151f6436aea0e0c515da2c144b..fcf6c25b7dc7f9074b1f2d83948f4ceeb45c228c:/include/simgrid/s4u/Mutex.hpp?ds=sidebyside diff --git a/include/simgrid/s4u/Mutex.hpp b/include/simgrid/s4u/Mutex.hpp index 81b167c962..4f2c486e5c 100644 --- a/include/simgrid/s4u/Mutex.hpp +++ b/include/simgrid/s4u/Mutex.hpp @@ -1,4 +1,4 @@ -/* 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. */ @@ -12,49 +12,45 @@ namespace simgrid { namespace s4u { -/** @brief A classical mutex, but blocking in the simulation world - * @ingroup s4u_api +/** @brief A classical mutex, but blocking in the simulation world. * + * @beginrst * It is strictly impossible to use a real mutex, such as - * std::mutex - * or pthread_mutex_t, + * `std::mutex `_ + * or `pthread_mutex_t `_, * because it would block the whole simulation. - * Instead, you should use the present class, that is a drop-in replacement of - * ` for memory management of Mutexes. + * Use :cpp:func:`create() ` to get a :cpp:type:`simgrid::s4u::MutexPtr` to a newly + * created mutex, and only manipulate :cpp:type:`simgrid::s4u::MutexPtr`. + * @endrst */ class XBT_PUBLIC Mutex { friend ConditionVariable; friend kernel::activity::MutexImpl; + friend void kernel::activity::intrusive_ptr_release(kernel::activity::MutexImpl* mutex); kernel::activity::MutexImpl* const pimpl_; - explicit Mutex(kernel::activity::MutexImpl* mutex) : pimpl_(mutex) {} /* refcounting */ - friend XBT_PUBLIC void intrusive_ptr_add_ref(Mutex* mutex); - friend XBT_PUBLIC void intrusive_ptr_release(Mutex* mutex); + friend XBT_PUBLIC void intrusive_ptr_add_ref(const Mutex* mutex); + friend XBT_PUBLIC void intrusive_ptr_release(const Mutex* mutex); -public: - ~Mutex(); - // No copy: - /** You cannot create a new mutex by copying an existing one. Use MutexPtr instead */ - Mutex(Mutex const&) = delete; - /** You cannot create a new mutex by value assignment either. Use MutexPtr instead */ - Mutex& operator=(Mutex const&) = delete; + explicit Mutex(kernel::activity::MutexImpl* mutex) : pimpl_(mutex) {} + ~Mutex() = default; +#ifndef DOXYGEN + Mutex(Mutex const&) = delete; // No copy constructor; Use MutexPtr instead + Mutex& operator=(Mutex const&) = delete; // No direct assignment either. Use MutexPtr instead +#endif +public: /** Constructs a new mutex */ static MutexPtr create(); void lock(); void unlock(); bool try_lock(); - -#ifndef DOXYGEN - // deprecated - /** @deprecated Mutex::create() */ - XBT_ATTRIB_DEPRECATED_v323("Please use Mutex::create()") static MutexPtr createMutex() { return create(); } -#endif }; } // namespace s4u