1 files changed, 31 insertions, 0 deletions
diff --git a/include/ports/SkBarriers_tsan.h b/include/ports/SkBarriers_tsan.h
new file mode 100644
index 0000000000..d72dbfd390
--- /dev/null
+++ b/include/ports/SkBarriers_tsan.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkBarriers_tsan_DEFINED
+#define SkBarriers_tsan_DEFINED
+
+static inline void sk_compiler_barrier() { asm volatile("" : : : "memory"); }
+
+template <typename T>
+T sk_acquire_load(T* ptr) {
+    SkASSERT(__atomic_always_lock_free(sizeof(T), ptr));
+    return __atomic_load_n(ptr, __ATOMIC_ACQUIRE);
+}
+
+template <typename T>
+T sk_consume_load(T* ptr) {
+    SkASSERT(__atomic_always_lock_free(sizeof(T), ptr));
+    return __atomic_load_n(ptr, __ATOMIC_CONSUME);
+}
+
+template <typename T>
+void sk_release_store(T* ptr, T val) {
+    SkASSERT(__atomic_always_lock_free(sizeof(T), ptr));
+    return __atomic_store_n(ptr, val, __ATOMIC_RELEASE);
+}
+
+#endif//SkBarriers_tsan_DEFINED