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Reorganise allocators

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Abdelrahman Said
2024-09-07 20:27:49 +01:00
parent d30eee0cf8
commit 8468bb8e28
9 changed files with 161 additions and 96 deletions
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49
src/core/mem/arena/mem_arena.h
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@@ -2,7 +2,6 @@
#define MEM_ARENA_H
#include "aliases.h"
#include "mem_allocator.h"
#include "mem_utils.h"
#include <stdbool.h>
@@ -12,41 +11,10 @@ extern "C" {
typedef struct arena Arena;
#pragma region Allocator wrapper macros
#define wapp_mem_arena_allocator_init(base_capacity) \
(wapp_mem_arena_allocator_init_custom(base_capacity, WAPP_MEM_ALLOC_RESERVE, \
false))
#define wapp_mem_arena_allocator_init_commit(base_capacity) \
(wapp_mem_arena_allocator_init_custom( \
base_capacity, WAPP_MEM_ALLOC_RESERVE | WAPP_MEM_ALLOC_COMMIT, false))
#define wapp_mem_arena_allocator_init_zero(base_capacity) \
(wapp_mem_arena_allocator_init_custom(base_capacity, WAPP_MEM_ALLOC_RESERVE, \
true))
#define wapp_mem_arena_allocator_init_commit_and_zero(base_capacity) \
(wapp_mem_arena_allocator_init_custom( \
base_capacity, WAPP_MEM_ALLOC_RESERVE | WAPP_MEM_ALLOC_COMMIT, true))
#pragma endregion Arena Allocator wrapper macros
/******************************************************************************
**** Arena wrapper macros
***************************************************************************///
#pragma region Allocator API declarations
/**
* Wraps an Arena in an Allocator object. It attempts to initialise the Arena
* and, if successful, defines the operations supported by it to be used by the
* Allocator.
*
* An Arena allocator only supports normal allocation and aligned allocation.
* Reallocation, aligned reallocation and freeing aren't implemented.
*
* The `wapp_mem_arena_allocator_init_custom` provides the most control over how
* the Arena is initialised. Wrapper macros are provided for easier use.
*/
Allocator wapp_mem_arena_allocator_init_custom(u64 base_capacity,
MemAllocFlags flags,
bool zero_buffer);
void wapp_mem_arena_allocator_clear(Allocator *allocator);
void wapp_mem_arena_allocator_destroy(Allocator *allocator);
#pragma endregion Arena Allocator API declarations
#pragma region wrapper macros
#define wapp_mem_arena_init(arena_dptr, base_capacity) \
(wapp_mem_arena_init_custom(arena_dptr, base_capacity, \
WAPP_MEM_ALLOC_RESERVE, false))
@@ -61,9 +29,13 @@ void wapp_mem_arena_allocator_destroy(Allocator *allocator);
(wapp_mem_arena_init_custom(arena_dptr, base_capacity, \
WAPP_MEM_ALLOC_RESERVE | WAPP_MEM_ALLOC_COMMIT, \
true))
#pragma endregion Arena wrapper macros
#pragma region Arena API declarations
///////////////////////////////////////////////////////////////////////////////
/******************************************************************************
**** Arena API declarations
***************************************************************************///
/**
* Arena initialisation function. `wapp_mem_arena_init_custom` provides the most
* control over how the Arena is initialised. Wrapper macros are provided for
@@ -75,7 +47,8 @@ void *wapp_mem_arena_alloc(Arena *arena, u64 size);
void *wapp_mem_arena_alloc_aligned(Arena *arena, u64 size, u64 alignment);
void wapp_mem_arena_clear(Arena *arena);
void wapp_mem_arena_destroy(Arena **arena);
#pragma endregion Arena API declarations
///////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
}