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#pragma once
#include "nalf_alloc.h"
struct TNoHeapAlloc {
void* operator new(size_t);
void* operator new[](size_t);
// implemented and available for gcc virtual destructors
protected:
void operator delete(void*) {
Y_ABORT();
}
void operator delete[](void*) {
Y_ABORT();
}
void operator delete(void*, const std::nothrow_t&) {
Y_ABORT();
}
void operator delete[](void*, const std::nothrow_t&) {
Y_ABORT();
}
};
template <typename TFinal>
struct TSystemAllocHelper {
// override new/delete to happen with system-alloc, system-free, useful for structures which could be allocated before allocator setup is complete
// (allocator themself)
void* operator new(size_t sz) {
Y_ABORT_UNLESS(sz == sizeof(TFinal));
return NNumaAwareLockFreeAllocator::SystemAllocation(sz);
}
void* operator new[](size_t sz) {
Y_ABORT_UNLESS(sz == sizeof(TFinal));
return NNumaAwareLockFreeAllocator::SystemAllocation(sz);
}
void operator delete(void* mem) {
NNumaAwareLockFreeAllocator::SystemFree(mem, sizeof(TFinal));
}
void operator delete[](void* mem) {
NNumaAwareLockFreeAllocator::SystemFree(mem, sizeof(TFinal));
}
void operator delete(void* mem, const std::nothrow_t&) {
NNumaAwareLockFreeAllocator::SystemFree(mem, sizeof(TFinal));
}
void operator delete[](void* mem, const std::nothrow_t&) {
NNumaAwareLockFreeAllocator::SystemFree(mem, sizeof(TFinal));
}
};
template <NNumaAwareLockFreeAllocator::TAllocHint::EHint H>
struct TWithNalfAlloc {
#if !defined(NALF_FORCE_MALLOC_FREE)
// override new/delete to happen with nalf
void* operator new(size_t sz) {
return NNumaAwareLockFreeAllocator::Allocate(sz, H);
}
void* operator new[](size_t sz) {
return NNumaAwareLockFreeAllocator::Allocate(sz, H);
}
void operator delete(void* mem) {
NNumaAwareLockFreeAllocator::Free(mem);
}
void operator delete[](void* mem) {
NNumaAwareLockFreeAllocator::Free(mem);
}
void operator delete(void* mem, const std::nothrow_t&) {
NNumaAwareLockFreeAllocator::Free(mem);
}
void operator delete[](void* mem, const std::nothrow_t&) {
NNumaAwareLockFreeAllocator::Free(mem);
}
#endif // NALF_FORCE_MALLOC_FREE
};
struct TWithNalfIncrementalAlloc : TWithNalfAlloc<NNumaAwareLockFreeAllocator::TAllocHint::Incremental> {};
struct TWithNalfForceIncrementalAlloc : TWithNalfAlloc<NNumaAwareLockFreeAllocator::TAllocHint::ForceIncremental> {};
struct TWithNalfChunkedAlloc : TWithNalfAlloc<NNumaAwareLockFreeAllocator::TAllocHint::Chunked> {};
struct TWithNalfForceChunkedAlloc : TWithNalfAlloc<NNumaAwareLockFreeAllocator::TAllocHint::ForceChunked> {};
struct TWithNalfSystemAlloc : TWithNalfAlloc<NNumaAwareLockFreeAllocator::TAllocHint::System> {};
struct TWithNalfForceSystemAlloc : TWithNalfAlloc<NNumaAwareLockFreeAllocator::TAllocHint::ForceSystem> {};
using TAllocSwapIncremental = NNumaAwareLockFreeAllocator::TSwapHint<NNumaAwareLockFreeAllocator::TAllocHint::Incremental>;
using TAllocSwapChunked = NNumaAwareLockFreeAllocator::TSwapHint<NNumaAwareLockFreeAllocator::TAllocHint::Chunked>;
template <typename Type, NNumaAwareLockFreeAllocator::TAllocHint::EHint Hint>
struct TNalfAllocator {
typedef Type value_type;
typedef Type* pointer;
typedef const Type* const_pointer;
typedef Type& reference;
typedef const Type& const_reference;
typedef size_t size_type;
typedef ptrdiff_t difference_type;
TNalfAllocator() noexcept = default;
~TNalfAllocator() noexcept = default;
template <typename U>
explicit TNalfAllocator(TNalfAllocator<U, Hint>) noexcept {}
template <typename U>
struct rebind { typedef TNalfAllocator<U, Hint> other; };
static pointer allocate(size_type n, const void* = nullptr) {
return static_cast<pointer>(NNumaAwareLockFreeAllocator::Allocate(n * sizeof(value_type), Hint));
}
static void deallocate(pointer p, size_type = 0U) {
return NNumaAwareLockFreeAllocator::Free(p);
}
static constexpr size_type max_size() noexcept {
return std::numeric_limits<size_type>::max() / sizeof(value_type);
}
template <typename U, typename... Args>
static void construct(U* p, Args&&... args) {
::new ((void*)p) U(std::forward<Args>(args)...);
}
template <typename U>
static void destroy(U* p) {
return p->~U();
}
static pointer address(reference x) noexcept {
return std::addressof(x);
}
static const_pointer address(const_reference x) noexcept {
return std::addressof(x);
}
};
template <typename Type>
using TNalfChunkedAllocator = TNalfAllocator<Type, NNumaAwareLockFreeAllocator::TAllocHint::Chunked>;
template <typename Type>
using TNalfIncrementalAllocator = TNalfAllocator<Type, NNumaAwareLockFreeAllocator::TAllocHint::Incremental>;
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