-/* Copyright (c) 2006-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2006-2017. 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 "xbt/log.h"
#include "src/msg/msg_private.h"
-#include "src/simix/smx_network_private.h"
+#include "src/simix/smx_synchro_private.hpp"
+#include "xbt/log.h"
-#include "simgrid/s4u/mutex.hpp"
+#include "simgrid/s4u/Mutex.hpp"
+namespace simgrid {
+namespace s4u {
-using namespace simgrid;
+/** @brief Blocks the calling actor until the mutex can be obtained */
+void Mutex::lock()
+{
+ simcall_mutex_lock(mutex_);
+}
-s4u::Mutex::Mutex() {
- smx_mutex_t smx_mutex = simcall_mutex_init();
- _mutex = std::shared_ptr<simgrid::simix::Mutex>(smx_mutex, SIMIX_mutex_destroy );
+/** @brief Release the ownership of the mutex, unleashing a blocked actor (if any)
+ *
+ * Will fail if the calling actor does not own the mutex.
+ */
+void Mutex::unlock()
+{
+ simcall_mutex_unlock(mutex_);
}
-void s4u::Mutex::lock() {
- simcall_mutex_lock(_mutex.get());
+/** @brief Acquire the mutex if it's free, and return false (without blocking) if not */
+bool Mutex::try_lock()
+{
+ return simcall_mutex_trylock(mutex_);
}
-void s4u::Mutex::unlock() {
- simcall_mutex_unlock(_mutex.get());
+/** @brief Create a new mutex
+ *
+ * See @ref s4u_raii.
+ */
+MutexPtr Mutex::createMutex()
+{
+ smx_mutex_t mutex = simcall_mutex_init();
+ return MutexPtr(&mutex->mutex(), false);
}
-bool s4u::Mutex::try_lock() {
- return simcall_mutex_trylock(_mutex.get());
+}
}
