diff options
| -rw-r--r-- | common/dhash/dhash.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/common/dhash/dhash.h b/common/dhash/dhash.h index 72b054e8..47f96733 100644 --- a/common/dhash/dhash.h +++ b/common/dhash/dhash.h @@ -177,6 +177,9 @@ const char* hash_error_string(int error); * parameter is a pointer to a function which will be called just prior to a * hash entry being deleted. This is useful when the hash value has items which * may need to be disposed of. The delete_callback may be NULL. + * The delete_private_data is data passed to the delete_callback, this way + * custom callbacks can have a private context to reach data they need to use + * before performning their operations. delete_private_data may be NULL. */ int hash_create(unsigned long count, hash_table_t **tbl, hash_delete_callback *delete_callback, @@ -194,6 +197,10 @@ int hash_create(unsigned long count, hash_table_t **tbl, * is greater than the max_load_factor the table is expanded. * alloc_func: function pointer for allocation * free_func: funciton pointer for freeing memory allocated with alloc_func + * alloc_private data: data passed to the alloc and free functions so that + * custom functions can refernce other private data they may + * need during their execution without having to use global + * variables. * * Note directory_bits + segment_bits must be <= number of bits in unsigned long */ |