diff options
Diffstat (limited to 'storage/tokudb/ft-index/util/mempool.h')
| -rw-r--r-- | storage/tokudb/ft-index/util/mempool.h | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/storage/tokudb/ft-index/util/mempool.h b/storage/tokudb/ft-index/util/mempool.h index fa59d7a63ac..c8be5e13297 100644 --- a/storage/tokudb/ft-index/util/mempool.h +++ b/storage/tokudb/ft-index/util/mempool.h @@ -123,26 +123,46 @@ void toku_mempool_init(struct mempool *mp, void *base, size_t free_offset, size_ */ void toku_mempool_construct(struct mempool *mp, size_t data_size); +/* treat mempool as if it has just been created; ignore any frag and start allocating from beginning again. + */ +void toku_mempool_reset(struct mempool *mp); + +/* reallocate memory for construct mempool + */ +void toku_mempool_realloc_larger(struct mempool *mp, size_t data_size); + /* destroy the memory pool */ void toku_mempool_destroy(struct mempool *mp); /* get the base address of the memory pool */ -void *toku_mempool_get_base(struct mempool *mp); +void *toku_mempool_get_base(const struct mempool *mp); + +/* get the a pointer that is offset bytes in front of base of the memory pool */ +void *toku_mempool_get_pointer_from_base_and_offset(const struct mempool *mp, size_t offset); + +/* get the offset from base of a pointer */ +size_t toku_mempool_get_offset_from_pointer_and_base(const struct mempool *mp, const void* p); + +/* get the a pointer of the first free byte (if any) */ +void* toku_mempool_get_next_free_ptr(const struct mempool *mp); + +/* get the limit of valid offsets. (anything later was not allocated) */ +size_t toku_mempool_get_offset_limit(const struct mempool *mp); /* get the size of the memory pool */ -size_t toku_mempool_get_size(struct mempool *mp); +size_t toku_mempool_get_size(const struct mempool *mp); /* get the amount of fragmented (wasted) space in the memory pool */ -size_t toku_mempool_get_frag_size(struct mempool *mp); +size_t toku_mempool_get_frag_size(const struct mempool *mp); /* get the amount of space that is holding useful data */ -size_t toku_mempool_get_used_space(struct mempool *mp); +size_t toku_mempool_get_used_size(const struct mempool *mp); /* get the amount of space that is available for new data */ -size_t toku_mempool_get_free_space(struct mempool *mp); +size_t toku_mempool_get_free_size(const struct mempool *mp); /* get the amount of space that has been allocated for use (wasted or not) */ -size_t toku_mempool_get_allocated_space(struct mempool *mp); +size_t toku_mempool_get_allocated_size(const struct mempool *mp); /* allocate a chunk of memory from the memory pool suitably aligned */ void *toku_mempool_malloc(struct mempool *mp, size_t size, int alignment); @@ -160,6 +180,8 @@ static inline int toku_mempool_inrange(struct mempool *mp, void *vp, size_t size /* get memory footprint */ size_t toku_mempool_footprint(struct mempool *mp); -void toku_mempool_clone(struct mempool* orig_mp, struct mempool* new_mp); +void toku_mempool_clone(const struct mempool* orig_mp, struct mempool* new_mp); + + #endif // UTIL_MEMPOOL_H |