vl_async_pool.h

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#ifndef VL_ASYNC_POOL_H
#define VL_ASYNC_POOL_H
 
#include "vl_atomic.h"
#include "vl_atomic_ptr.h"
 
typedef struct{
    vl_atomic_ptr           freeStack;          // Head of the Treiber stack, storing free elements.
    vl_atomic_uint32_t      freeLength;         // Total number of nodes in the free stack.
 
    vl_atomic_ptr           primaryBlock;       //  Head of the list of memory blocks.
    vl_atomic_bool_t        allocatingFlag;     //  Atomic allocation flag set when allocating a new block.
    vl_atomic_uint16_t      totalBlocks;        //  Total number of allocated blocks.
 
    vl_uint16_t             elementSize;        //  Size, in bytes, of each pool element.
    vl_uint16_t             nodeSize;           //  Size in bytes, of an individual pool node.
} vl_async_pool;
 
typedef struct{
    union{
        vl_uintptr_t next;
        vl_tagged_ptr pad;
    };
} vl_async_pool_header;
 
extern const vl_ularge_t VL_ASYNC_POOL_BLOCK_ALIGNMENT;
 
extern const vl_ularge_t VL_ASYNC_POOL_NODE_ALIGNMENT;
 
void            vlAsyncPoolInit(vl_async_pool* pool, vl_uint16_t elementSize);
 
void            vlAsyncPoolFree(vl_async_pool* pool);
 
vl_async_pool*  vlAsyncPoolNew(vl_uint16_t elementSize);
 
void            vlAsyncPoolDelete(vl_async_pool* pool);
 
void            vlAsyncPoolReset(vl_async_pool* pool);
 
void            vlAsyncPoolClear(vl_async_pool* pool);
 
void*           vlAsyncPoolTake(vl_async_pool* pool);
 
void       vlAsyncPoolReturn(vl_async_pool* pool, void* element);
 
#endif //VL_ASYNC_POOL_H