diff options
Diffstat (limited to 'include/ports/SkAtomics_atomic.h')
| -rw-r--r-- | include/ports/SkAtomics_atomic.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/ports/SkAtomics_atomic.h b/include/ports/SkAtomics_atomic.h index ddbf7c3f37..64ee823f90 100644 --- a/include/ports/SkAtomics_atomic.h +++ b/include/ports/SkAtomics_atomic.h @@ -32,6 +32,12 @@ T sk_atomic_fetch_add(T* ptr, T val, sk_memory_order mo) { } template <typename T> +T sk_atomic_fetch_sub(T* ptr, T val, sk_memory_order mo) { + // All values of mo are valid. + return __atomic_fetch_sub(ptr, val, mo); +} + +template <typename T> bool sk_atomic_compare_exchange(T* ptr, T* expected, T desired, sk_memory_order success, sk_memory_order failure) { |