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os: implement ReadWriteLock

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This commit is contained in:
Michael Scire 2020-04-13 17:07:06 -07:00
parent 6eb77e69c4
commit 97cba5e881
20 changed files with 941 additions and 66 deletions
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12
libraries/libvapours/include/vapours/util/util_bitpack.hpp
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@ -23,7 +23,8 @@ namespace ams::util {
namespace impl {
template<typename IntegralStorageType>
class BitPack {
struct BitPack {
IntegralStorageType value;
private:
static_assert(std::is_integral<IntegralStorageType>::value);
static_assert(std::is_unsigned<IntegralStorageType>::value);
@ -49,16 +50,13 @@ namespace ams::util {
static constexpr size_t Next = Index + Count;
using BitPackType = BitPack<IntegralStorageType>;
static_assert(std::is_pod<BitPackType>::value);
static_assert(Mask<Index, Count> != 0);
static_assert(std::is_integral<T>::value || std::is_enum<T>::value);
static_assert(!std::is_same<T, bool>::value || Count == 1);
};
private:
IntegralStorageType value;
public:
constexpr ALWAYS_INLINE BitPack(IntegralStorageType v) : value(v) { /* ... */ }
constexpr ALWAYS_INLINE void Clear() {
constexpr IntegralStorageType Zero = IntegralStorageType(0);
this->value = Zero;
@ -86,6 +84,10 @@ namespace ams::util {
using BitPack32 = impl::BitPack<u32>;
using BitPack64 = impl::BitPack<u64>;
static_assert(std::is_pod<BitPack8>::value);
static_assert(std::is_pod<BitPack16>::value);
static_assert(std::is_pod<BitPack32>::value);
static_assert(std::is_pod<BitPack64>::value);
static_assert(std::is_trivially_destructible<BitPack8 >::value);
static_assert(std::is_trivially_destructible<BitPack16>::value);
static_assert(std::is_trivially_destructible<BitPack32>::value);