-/* Copyright (c) 2006-2022. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2006-2023. 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. */
#ifndef SIMGRID_S4U_MUTEX_HPP
#define SIMGRID_S4U_MUTEX_HPP
+#include "simgrid/s4u/Actor.hpp"
#include <simgrid/forward.h>
#include <xbt/asserts.h>
-namespace simgrid {
-namespace s4u {
+namespace simgrid::s4u {
/** @brief A classical mutex, but blocking in the simulation world.
+ *
+ * S4U mutexes are not recursive. If an actor tries to lock the same object twice, it deadlocks with itself.
*
* @beginrst
* It is strictly impossible to use a real mutex, such as
#endif
public:
- /** Constructs a new mutex */
- static MutexPtr create();
+ /** \static Constructs a new mutex */
+ static MutexPtr create(bool recursive = false);
+
void lock();
void unlock();
bool try_lock();
+
+ Actor* get_owner();
};
-} // namespace s4u
-} // namespace simgrid
+} // namespace simgrid::s4u
#endif /* SIMGRID_S4U_MUTEX_HPP */