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author | Lioncash <mathew1800@gmail.com> | 2020-07-28 10:32:39 +0200 |
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committer | Lioncash <mathew1800@gmail.com> | 2020-07-28 10:36:53 +0200 |
commit | e3f0c9323039bd1148a8e36a31b468a871971fbb (patch) | |
tree | 67f4d007c3d6c887f9f8439879e9904a890d12e9 /src/common/atomic_ops.cpp | |
parent | Merge pull request #4437 from lioncash/ptr (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/common/atomic_ops.cpp | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/src/common/atomic_ops.cpp b/src/common/atomic_ops.cpp index 1098e21ff..1612d0e67 100644 --- a/src/common/atomic_ops.cpp +++ b/src/common/atomic_ops.cpp @@ -14,50 +14,55 @@ namespace Common { #if _MSC_VER -bool AtomicCompareAndSwap(u8 volatile* pointer, u8 value, u8 expected) { - u8 result = _InterlockedCompareExchange8((char*)pointer, value, expected); +bool AtomicCompareAndSwap(volatile u8* pointer, u8 value, u8 expected) { + const u8 result = + _InterlockedCompareExchange8(reinterpret_cast<volatile char*>(pointer), value, expected); return result == expected; } -bool AtomicCompareAndSwap(u16 volatile* pointer, u16 value, u16 expected) { - u16 result = _InterlockedCompareExchange16((short*)pointer, value, expected); +bool AtomicCompareAndSwap(volatile u16* pointer, u16 value, u16 expected) { + const u16 result = + _InterlockedCompareExchange16(reinterpret_cast<volatile short*>(pointer), value, expected); return result == expected; } -bool AtomicCompareAndSwap(u32 volatile* pointer, u32 value, u32 expected) { - u32 result = _InterlockedCompareExchange((long*)pointer, value, expected); +bool AtomicCompareAndSwap(volatile u32* pointer, u32 value, u32 expected) { + const u32 result = + _InterlockedCompareExchange(reinterpret_cast<volatile long*>(pointer), value, expected); return result == expected; } -bool AtomicCompareAndSwap(u64 volatile* pointer, u64 value, u64 expected) { - u64 result = _InterlockedCompareExchange64((__int64*)pointer, value, expected); +bool AtomicCompareAndSwap(volatile u64* pointer, u64 value, u64 expected) { + const u64 result = _InterlockedCompareExchange64(reinterpret_cast<volatile __int64*>(pointer), + value, expected); return result == expected; } -bool AtomicCompareAndSwap(u64 volatile* pointer, u128 value, u128 expected) { - return _InterlockedCompareExchange128((__int64*)pointer, value[1], value[0], - (__int64*)expected.data()) != 0; +bool AtomicCompareAndSwap(volatile u64* pointer, u128 value, u128 expected) { + return _InterlockedCompareExchange128(reinterpret_cast<volatile __int64*>(pointer), value[1], + value[0], + reinterpret_cast<__int64*>(expected.data())) != 0; } #else -bool AtomicCompareAndSwap(u8 volatile* pointer, u8 value, u8 expected) { +bool AtomicCompareAndSwap(volatile u8* pointer, u8 value, u8 expected) { return __sync_bool_compare_and_swap(pointer, expected, value); } -bool AtomicCompareAndSwap(u16 volatile* pointer, u16 value, u16 expected) { +bool AtomicCompareAndSwap(volatile u16* pointer, u16 value, u16 expected) { return __sync_bool_compare_and_swap(pointer, expected, value); } -bool AtomicCompareAndSwap(u32 volatile* pointer, u32 value, u32 expected) { +bool AtomicCompareAndSwap(volatile u32* pointer, u32 value, u32 expected) { return __sync_bool_compare_and_swap(pointer, expected, value); } -bool AtomicCompareAndSwap(u64 volatile* pointer, u64 value, u64 expected) { +bool AtomicCompareAndSwap(volatile u64* pointer, u64 value, u64 expected) { return __sync_bool_compare_and_swap(pointer, expected, value); } -bool AtomicCompareAndSwap(u64 volatile* pointer, u128 value, u128 expected) { +bool AtomicCompareAndSwap(volatile u64* pointer, u128 value, u128 expected) { unsigned __int128 value_a; unsigned __int128 expected_a; std::memcpy(&value_a, value.data(), sizeof(u128)); |