2024-04-18 12:59:11 +00:00
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#pragma once
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#include "dqn.h"
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2024-03-25 05:11:57 +00:00
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/*
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2024-01-31 12:49:23 +00:00
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// $$$$$$\ $$\ $$\ $$$$$$\ $$$$$$\ $$$$$$\ $$$$$$$$\ $$$$$$\ $$$$$$$\
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// $$ __$$\ $$ | $$ | $$ __$$\ $$ __$$\ $$ __$$\\__$$ __|$$ __$$\ $$ __$$\
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// $$ / $$ |$$ | $$ | $$ / $$ |$$ / \__|$$ / $$ | $$ | $$ / $$ |$$ | $$ |
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// $$$$$$$$ |$$ | $$ | $$ | $$ |$$ | $$$$$$$$ | $$ | $$ | $$ |$$$$$$$ |
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// $$ __$$ |$$ | $$ | $$ | $$ |$$ | $$ __$$ | $$ | $$ | $$ |$$ __$$<
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// $$ | $$ |$$ | $$ | $$ | $$ |$$ | $$\ $$ | $$ | $$ | $$ | $$ |$$ | $$ |
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// $$ | $$ |$$$$$$$$\ $$$$$$$$\ $$$$$$ |\$$$$$$ |$$ | $$ | $$ | $$$$$$ |$$ | $$ |
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// \__| \__|\________|\________|\______/ \______/ \__| \__| \__| \______/ \__| \__|
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//
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// dqn_allocator.h -- Custom memory allocators
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//
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// [$AREN] Dqn_Arena -- Growing bump allocator
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// [$CHUN] Dqn_ChunkPool -- Allocates reusable, free-able memory in PoT chunks
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// [$ACAT] Dqn_ArenaCatalog -- Collate, create & manage arenas in a catalog
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//
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2024-03-25 05:11:57 +00:00
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////////////////////////////////////////////////////////////////////////////////////////////////////
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*/
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2024-01-31 12:49:23 +00:00
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// NOTE: [$AREN] Dqn_Arena /////////////////////////////////////////////////////////////////////////
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#if !defined(DQN_ARENA_RESERVE_SIZE)
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#define DQN_ARENA_RESERVE_SIZE DQN_MEGABYTES(64)
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#endif
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#if !defined(DQN_ARENA_COMMIT_SIZE)
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#define DQN_ARENA_COMMIT_SIZE DQN_KILOBYTES(64)
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#endif
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struct Dqn_ArenaBlock
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{
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Dqn_ArenaBlock *prev;
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uint64_t used;
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uint64_t commit;
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uint64_t reserve;
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uint64_t reserve_sum;
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};
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enum Dqn_ArenaFlag
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{
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Dqn_ArenaFlag_Nil = 0,
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Dqn_ArenaFlag_NoGrow = 1 << 0,
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Dqn_ArenaFlag_NoPoison = 1 << 1,
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Dqn_ArenaFlag_NoAllocTrack = 1 << 2,
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Dqn_ArenaFlag_AllocCanLeak = 1 << 3,
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};
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2024-08-01 03:34:36 +00:00
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struct Dqn_ArenaInfo
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{
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uint64_t used;
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uint64_t commit;
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uint64_t reserve;
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uint64_t blocks;
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};
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struct Dqn_ArenaStats
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{
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Dqn_ArenaInfo info;
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Dqn_ArenaInfo hwm;
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};
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2024-01-31 12:49:23 +00:00
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struct Dqn_Arena
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{
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Dqn_ArenaBlock *curr;
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Dqn_ArenaStats stats;
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2024-04-18 12:59:11 +00:00
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Dqn_TicketMutex mutex; // For user code to lock the arena, the arena itself does not use.
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2024-08-01 03:34:36 +00:00
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uint8_t flags;
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2024-01-31 12:49:23 +00:00
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};
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struct Dqn_ArenaTempMem
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{
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Dqn_Arena *arena;
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uint64_t used_sum;
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};
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struct Dqn_ArenaTempMemScope
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{
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Dqn_ArenaTempMemScope(Dqn_Arena *arena);
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~Dqn_ArenaTempMemScope();
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Dqn_ArenaTempMem mem;
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};
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Dqn_usize const DQN_ARENA_HEADER_SIZE = Dqn_AlignUpPowerOfTwo(sizeof(Dqn_Arena), 64);
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// NOTE: [$CHUN] Dqn_ChunkPool /////////////////////////////////////////////////////////////////////
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#if !defined(DQN_CHUNK_POOL_DEFAULT_ALIGN)
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#define DQN_CHUNK_POOL_DEFAULT_ALIGN 16
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#endif
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struct Dqn_ChunkPoolSlot
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{
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void *data;
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Dqn_ChunkPoolSlot *next;
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};
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enum Dqn_ChunkPoolSlotSize
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{
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Dqn_ChunkPoolSlotSize_32B,
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Dqn_ChunkPoolSlotSize_64B,
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Dqn_ChunkPoolSlotSize_128B,
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Dqn_ChunkPoolSlotSize_256B,
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Dqn_ChunkPoolSlotSize_512B,
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Dqn_ChunkPoolSlotSize_1KiB,
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Dqn_ChunkPoolSlotSize_2KiB,
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Dqn_ChunkPoolSlotSize_4KiB,
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Dqn_ChunkPoolSlotSize_8KiB,
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Dqn_ChunkPoolSlotSize_16KiB,
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Dqn_ChunkPoolSlotSize_32KiB,
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Dqn_ChunkPoolSlotSize_64KiB,
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Dqn_ChunkPoolSlotSize_128KiB,
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Dqn_ChunkPoolSlotSize_256KiB,
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Dqn_ChunkPoolSlotSize_512KiB,
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Dqn_ChunkPoolSlotSize_1MiB,
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Dqn_ChunkPoolSlotSize_2MiB,
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Dqn_ChunkPoolSlotSize_4MiB,
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Dqn_ChunkPoolSlotSize_8MiB,
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Dqn_ChunkPoolSlotSize_16MiB,
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Dqn_ChunkPoolSlotSize_32MiB,
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Dqn_ChunkPoolSlotSize_64MiB,
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Dqn_ChunkPoolSlotSize_128MiB,
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Dqn_ChunkPoolSlotSize_256MiB,
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Dqn_ChunkPoolSlotSize_512MiB,
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Dqn_ChunkPoolSlotSize_1GiB,
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Dqn_ChunkPoolSlotSize_2GiB,
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Dqn_ChunkPoolSlotSize_4GiB,
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Dqn_ChunkPoolSlotSize_8GiB,
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Dqn_ChunkPoolSlotSize_16GiB,
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Dqn_ChunkPoolSlotSize_32GiB,
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Dqn_ChunkPoolSlotSize_Count,
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};
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struct Dqn_ChunkPool
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{
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Dqn_Arena *arena;
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Dqn_ChunkPoolSlot *slots[Dqn_ChunkPoolSlotSize_Count];
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uint8_t align;
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};
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// NOTE: [$ACAT] Dqn_ArenaCatalog //////////////////////////////////////////////////////////////////
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struct Dqn_ArenaCatalogItem
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{
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Dqn_Arena *arena;
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Dqn_Str8 label;
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2024-08-01 03:34:36 +00:00
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bool arena_pool_allocated;
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2024-01-31 12:49:23 +00:00
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Dqn_ArenaCatalogItem *next;
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Dqn_ArenaCatalogItem *prev;
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};
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struct Dqn_ArenaCatalog
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{
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Dqn_TicketMutex ticket_mutex; // Mutex for adding to the linked list of arenas
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struct Dqn_ChunkPool *pool;
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Dqn_ArenaCatalogItem sentinel;
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uint16_t arena_count;
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};
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2024-08-01 03:34:36 +00:00
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enum Dqn_ArenaCatalogFreeArena
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{
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Dqn_ArenaCatalogFreeArena_No,
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Dqn_ArenaCatalogFreeArena_Yes,
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};
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2024-01-31 12:49:23 +00:00
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// NOTE: [$AREN] Dqn_Arena /////////////////////////////////////////////////////////////////////////
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DQN_API Dqn_Arena Dqn_Arena_InitSize (uint64_t reserve, uint64_t commit, uint8_t flags);
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DQN_API void Dqn_Arena_Deinit (Dqn_Arena *arena);
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DQN_API bool Dqn_Arena_Commit (Dqn_Arena *arena, uint64_t size);
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DQN_API bool Dqn_Arena_CommitTo (Dqn_Arena *arena, uint64_t pos);
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DQN_API void * Dqn_Arena_Alloc (Dqn_Arena *arena, uint64_t size, uint8_t align, Dqn_ZeroMem zero_mem);
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DQN_API void * Dqn_Arena_AllocContiguous (Dqn_Arena *arena, uint64_t size, uint8_t align, Dqn_ZeroMem zero_mem);
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DQN_API void * Dqn_Arena_Copy (Dqn_Arena *arena, void const *data, uint64_t size, uint8_t align);
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DQN_API void Dqn_Arena_PopTo (Dqn_Arena *arena, uint64_t init_used);
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DQN_API void Dqn_Arena_Pop (Dqn_Arena *arena, uint64_t amount);
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2024-03-19 12:11:00 +00:00
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DQN_API uint64_t Dqn_Arena_Pos (Dqn_Arena const *arena);
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DQN_API void Dqn_Arena_Clear (Dqn_Arena *arena);
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2024-03-19 12:11:00 +00:00
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DQN_API bool Dqn_Arena_OwnsPtr (Dqn_Arena const *arena, void *ptr);
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2024-08-01 03:34:36 +00:00
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DQN_API Dqn_ArenaStats Dqn_Arena_SumStatsArray (Dqn_ArenaStats const *array, Dqn_usize size);
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DQN_API Dqn_ArenaStats Dqn_Arena_SumStats (Dqn_ArenaStats lhs, Dqn_ArenaStats rhs);
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DQN_API Dqn_ArenaStats Dqn_Arena_SumArenaArrayToStats (Dqn_Arena const *array, Dqn_usize size);
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DQN_API Dqn_ArenaTempMem Dqn_Arena_TempMemBegin (Dqn_Arena *arena);
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DQN_API void Dqn_Arena_TempMemEnd (Dqn_ArenaTempMem mem);
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#define Dqn_Arena_New(arena, T, zero_mem) (T *)Dqn_Arena_Alloc(arena, sizeof(T), alignof(T), zero_mem)
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2024-02-25 11:37:14 +00:00
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#define Dqn_Arena_NewArray(arena, T, count, zero_mem) (T *)Dqn_Arena_Alloc(arena, sizeof(T) * (count), alignof(T), zero_mem)
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#define Dqn_Arena_NewCopy(arena, T, src) (T *)Dqn_Arena_Copy (arena, (src), sizeof(T), alignof(T))
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#define Dqn_Arena_NewArrayCopy(arena, T, src, count) (T *)Dqn_Arena_Copy (arena, (src), sizeof(T) * (count), alignof(T))
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2024-01-31 12:49:23 +00:00
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// NOTE: [$CHUN] Dqn_ChunkPool /////////////////////////////////////////////////////////////////////
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DQN_API Dqn_ChunkPool Dqn_ChunkPool_Init (Dqn_Arena *arena, uint8_t align);
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DQN_API bool Dqn_ChunkPool_IsValid (Dqn_ChunkPool const *pool);
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DQN_API void * Dqn_ChunkPool_Alloc (Dqn_ChunkPool *pool, Dqn_usize size);
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DQN_API Dqn_Str8 Dqn_ChunkPool_AllocStr8FV (Dqn_ChunkPool *pool, DQN_FMT_ATTRIB char const *fmt, va_list args);
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DQN_API Dqn_Str8 Dqn_ChunkPool_AllocStr8F (Dqn_ChunkPool *pool, DQN_FMT_ATTRIB char const *fmt, ...);
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DQN_API Dqn_Str8 Dqn_ChunkPool_AllocStr8Copy (Dqn_ChunkPool *pool, Dqn_Str8 string);
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DQN_API void Dqn_ChunkPool_Dealloc (Dqn_ChunkPool *pool, void *ptr);
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2024-08-01 03:34:36 +00:00
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DQN_API void * Dqn_ChunkPool_Copy (Dqn_ChunkPool *pool, void const *data, uint64_t size, uint8_t align);
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#define Dqn_ChunkPool_New(pool, T) (T *)Dqn_ChunkPool_Alloc(pool, sizeof(T))
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#define Dqn_ChunkPool_NewArray(pool, T, count) (T *)Dqn_ChunkPool_Alloc(pool, count * sizeof(T))
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#define Dqn_ChunkPool_NewCopy(arena, T, src) (T *)Dqn_ChunkPool_Copy (arena, (src), sizeof(T), alignof(T))
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#define Dqn_ChunkPool_NewArrayCopy(arena, T, src, count) (T *)Dqn_ChunkPool_Copy (arena, (src), sizeof(T) * (count), alignof(T))
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2024-01-31 12:49:23 +00:00
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// NOTE: [$ACAT] Dqn_ArenaCatalog //////////////////////////////////////////////////////////////////
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2024-08-01 03:34:36 +00:00
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DQN_API void Dqn_ArenaCatalog_Init (Dqn_ArenaCatalog *catalog, Dqn_ChunkPool *pool);
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DQN_API Dqn_ArenaCatalogItem *Dqn_ArenaCatalog_Find (Dqn_ArenaCatalog *catalog, Dqn_Str8 label);
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DQN_API void Dqn_ArenaCatalog_AddF (Dqn_ArenaCatalog *catalog, Dqn_Arena *arena, DQN_FMT_ATTRIB char const *fmt, ...);
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DQN_API void Dqn_ArenaCatalog_AddFV (Dqn_ArenaCatalog *catalog, Dqn_Arena *arena, DQN_FMT_ATTRIB char const *fmt, va_list args);
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DQN_API Dqn_Arena * Dqn_ArenaCatalog_AllocFV (Dqn_ArenaCatalog *catalog, Dqn_usize reserve, Dqn_usize commit, uint8_t arena_flags, DQN_FMT_ATTRIB char const *fmt, va_list args);
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DQN_API Dqn_Arena * Dqn_ArenaCatalog_AllocF (Dqn_ArenaCatalog *catalog, Dqn_usize reserve, Dqn_usize commit, uint8_t arena_flags, DQN_FMT_ATTRIB char const *fmt, ...);
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DQN_API bool Dqn_ArenaCatalog_Erase (Dqn_ArenaCatalog *catalog, Dqn_Arena *arena, Dqn_ArenaCatalogFreeArena free_arena);
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