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Unified Diff: src/ports/SkAtomics_win.h

Issue 377073002: Add support for 64bit atomics (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Use function versions on windows Created 6 years, 5 months ago
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Index: src/ports/SkAtomics_win.h
diff --git a/src/ports/SkAtomics_win.h b/src/ports/SkAtomics_win.h
index 16923947ef0bbb3268175fbc526fc2b64338e5f6..4b344dde779a1ee1f548495d7c6d1b1e346b2231 100644
--- a/src/ports/SkAtomics_win.h
+++ b/src/ports/SkAtomics_win.h
@@ -25,21 +25,39 @@ static inline int32_t sk_atomic_inc(int32_t* addr) {
return _InterlockedIncrement(reinterpret_cast<long*>(addr)) - 1;
}
+static inline int64_t sk_atomic_inc(int64_t* addr) {
+ // InterlockedIncrement returns the new value, we want to return the old.
+ return InterlockedIncrement64(addr) - 1;
+}
+
static inline int32_t sk_atomic_add(int32_t* addr, int32_t inc) {
return _InterlockedExchangeAdd(reinterpret_cast<long*>(addr), static_cast<long>(inc));
}
+static inline int64_t sk_atomic_add(int64_t* addr, int64_t inc) {
+ return InterlockedExchangeAdd64(addr, inc);
+}
+
static inline int32_t sk_atomic_dec(int32_t* addr) {
// InterlockedDecrement returns the new value, we want to return the old.
return _InterlockedDecrement(reinterpret_cast<long*>(addr)) + 1;
}
+static inline int64_t sk_atomic_dec(int64_t* addr) {
+ // InterlockedDecrement returns the new value, we want to return the old.
+ return InterlockedDecrement64(addr) + 1;
+}
+
static inline void sk_membar_acquire__after_atomic_dec() { }
static inline bool sk_atomic_cas(int32_t* addr, int32_t before, int32_t after) {
return _InterlockedCompareExchange(reinterpret_cast<long*>(addr), after, before) == before;
}
+static inline bool sk_atomic_cas(int64_t* addr, int64_t before, int64_t after) {
+ return _InterlockedCompareExchange64(addr, after, before) == before;
+}
+
static inline void* sk_atomic_cas(void** addr, void* before, void* after) {
return InterlockedCompareExchangePointer(addr, after, before);
}
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