-/* Copyright (c) 2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2018-2019. 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. */
{
}
+/** @brief Create a new barrier
+ *
+ * See @ref s4u_raii.
+ */
+BarrierPtr Barrier::create(unsigned int expected_processes)
+{
+ return BarrierPtr(new Barrier(expected_processes));
+}
+
/**
* Wait functions
*/
mutex_->unlock();
return 0;
}
+
+void intrusive_ptr_add_ref(Barrier* barrier)
+{
+ xbt_assert(barrier);
+ barrier->refcount_.fetch_add(1, std::memory_order_relaxed);
+}
+
+void intrusive_ptr_release(Barrier* barrier)
+{
+ xbt_assert(barrier);
+ if (barrier->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
+ std::atomic_thread_fence(std::memory_order_acquire);
+ delete barrier;
+ }
+}
} // namespace s4u
} // namespace simgrid