X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2a6382661d9ccbe7198decb53b042e715998a4c4..e91f26820b30a2d87b4c723e92eaebbd2dc5ce15:/include/simgrid/s4u/Mutex.hpp
diff --git a/include/simgrid/s4u/Mutex.hpp b/include/simgrid/s4u/Mutex.hpp
index e28f58a812..cebeca7dc1 100644
--- a/include/simgrid/s4u/Mutex.hpp
+++ b/include/simgrid/s4u/Mutex.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2006-2022. 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. */
@@ -12,40 +12,42 @@
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
- * std::mutex.
+ * Instead, you should use the present class, that is a drop-in replacement of these mechanisms.
*
- * @beginrst
- * As for any S4U object, Mutexes are using the :ref:`RAII idiom ` for memory management.
+ * An example is available in Section :ref:`s4u_ex_IPC`.
+ *
+ * As for any S4U object, you can use the :ref:`RAII idiom ` 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 {
+#ifndef DOXYGEN
friend ConditionVariable;
friend kernel::activity::MutexImpl;
+ friend XBT_PUBLIC void kernel::activity::intrusive_ptr_release(kernel::activity::MutexImpl* mutex);
+#endif
kernel::activity::MutexImpl* const pimpl_;
/* refcounting */
friend XBT_PUBLIC void intrusive_ptr_add_ref(const Mutex* mutex);
friend XBT_PUBLIC void intrusive_ptr_release(const Mutex* mutex);
-public:
-#ifndef DOXYGEN
explicit Mutex(kernel::activity::MutexImpl* mutex) : pimpl_(mutex) {}
- ~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();