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Merge branch 'master' of scm.gforge.inria.fr:/gitroot/simgrid/simgrid
[simgrid.git]
/
src
/
s4u
/
s4u_Barrier.cpp
diff --git
a/src/s4u/s4u_Barrier.cpp
b/src/s4u/s4u_Barrier.cpp
index
d19fb26
..
fb71bbb
100644
(file)
--- a/
src/s4u/s4u_Barrier.cpp
+++ b/
src/s4u/s4u_Barrier.cpp
@@
-21,6
+21,15
@@
Barrier::Barrier(unsigned int expected_processes) : mutex_(Mutex::create()), con
{
}
+/** @brief Create a new barrier
+ *
+ * See @ref s4u_raii.
+ */
+BarrierPtr Barrier::create(unsigned int expected_processes)
+{
+ return BarrierPtr(new Barrier(expected_processes));
+}
+
/**
* Wait functions
*/
@@
-40,6
+49,21
@@
int Barrier::wait()
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