diff --git a/AK/Atomic.h b/AK/Atomic.h
index 9794c26ce0a..a41a9a8414d 100644
--- a/AK/Atomic.h
+++ b/AK/Atomic.h
@@ -31,11 +31,22 @@
 
 namespace AK {
 
+static inline void atomic_signal_fence(MemoryOrder order) noexcept
+{
+    return __atomic_signal_fence(order);
+}
+
 static inline void atomic_thread_fence(MemoryOrder order) noexcept
 {
     return __atomic_thread_fence(order);
 }
 
+static inline void full_memory_barrier() noexcept
+{
+    atomic_signal_fence(AK::MemoryOrder::memory_order_acq_rel);
+    atomic_thread_fence(AK::MemoryOrder::memory_order_acq_rel);
+}
+
 template<typename T>
 static inline T atomic_exchange(volatile T* var, T desired, MemoryOrder order = memory_order_seq_cst) noexcept
 {
@@ -376,3 +387,4 @@ public:
 }
 
 using AK::Atomic;
+using AK::full_memory_barrier;