diff options
Diffstat (limited to 'include/ports/SkAtomics_atomic.h')
-rw-r--r-- | include/ports/SkAtomics_atomic.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/ports/SkAtomics_atomic.h b/include/ports/SkAtomics_atomic.h index 6ae78a89a9..ddbf7c3f37 100644 --- a/include/ports/SkAtomics_atomic.h +++ b/include/ports/SkAtomics_atomic.h @@ -1,3 +1,10 @@ +/* + * Copyright 2015 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + #ifndef SkAtomics_atomic_DEFINED #define SkAtomics_atomic_DEFINED @@ -37,4 +44,10 @@ bool sk_atomic_compare_exchange(T* ptr, T* expected, T desired, return __atomic_compare_exchange_n(ptr, expected, desired, false/*weak?*/, success, failure); } +template <typename T> +T sk_atomic_exchange(T* ptr, T val, sk_memory_order mo) { + // All values of mo are valid. + return __atomic_exchange_n(ptr, val, mo); +} + #endif//SkAtomics_atomic_DEFINED |