/*
* pmemobj_list_move -- moves object between lists
*/
int
pmemobj_list_move(PMEMobjpool *pop, size_t pe_old_offset, void *head_old,
size_t pe_new_offset, void *head_new,
PMEMoid dest, int before, PMEMoid oid)
{
LOG(3, "pop %p pe_old_offset %zu pe_new_offset %zu"
" head_old %p head_new %p dest.off 0x%016jx"
" before %d oid.off 0x%016jx",
pop, pe_old_offset, pe_new_offset,
head_old, head_new, dest.off, before, oid.off);
/* log notice message if used inside a transaction */
_POBJ_DEBUG_NOTICE_IN_TX();
ASSERT(OBJ_OID_IS_VALID(pop, oid));
ASSERT(OBJ_OID_IS_VALID(pop, dest));
if (pe_old_offset >= pop->size) {
ERR("pe_old_offset (%lu) too big", pe_old_offset);
return EINVAL;
}
if (pe_new_offset >= pop->size) {
ERR("pe_new_offset (%lu) too big", pe_new_offset);
return EINVAL;
}
return list_move(pop, pe_old_offset, head_old,
pe_new_offset, head_new,
dest, before, oid);
}
/*
* pmemobj_list_insert -- adds object to a list
*/
int
pmemobj_list_insert(PMEMobjpool *pop, size_t pe_offset, void *head,
PMEMoid dest, int before, PMEMoid oid)
{
LOG(3, "pop %p pe_offset %zu head %p dest.off 0x%016jx before %d"
" oid.off 0x%016jx",
pop, pe_offset, head, dest.off, before, oid.off);
/* log notice message if used inside a transaction */
_POBJ_DEBUG_NOTICE_IN_TX();
ASSERT(OBJ_OID_IS_VALID(pop, oid));
ASSERT(OBJ_OID_IS_VALID(pop, dest));
return list_insert(pop, pe_offset, head, dest, before, oid);
}
/*
* pmemobj_list_remove -- removes object from a list
*/
int
pmemobj_list_remove(PMEMobjpool *pop, size_t pe_offset, void *head,
PMEMoid oid, int free)
{
LOG(3, "pop %p pe_offset %zu head %p oid.off 0x%016jx free %d",
pop, pe_offset, head, oid.off, free);
/* log notice message if used inside a transaction */
_POBJ_DEBUG_NOTICE_IN_TX();
ASSERT(OBJ_OID_IS_VALID(pop, oid));
if (pe_offset >= pop->size) {
ERR("pe_offset (%lu) too big", pe_offset);
return EINVAL;
}
if (free) {
struct oob_header *pobj = OOB_HEADER_FROM_OID(pop, oid);
ASSERT(pobj->data.user_type < PMEMOBJ_NUM_OID_TYPES);
void *lhead = &pop->store->bytype[pobj->data.user_type].head;
return list_remove_free(pop, lhead, pe_offset, head, &oid);
} else
return list_remove(pop, pe_offset, head, oid);
}
/*
* pmemobj_zrealloc -- resizes an existing object, any new space is zeroed.
*/
int
pmemobj_zrealloc(PMEMobjpool *pop, PMEMoid *oidp, size_t size,
unsigned int type_num)
{
LOG(3, "pop %p oid.off 0x%016jx size %zu type_num %u",
pop, oidp->off, size, type_num);
/* log notice message if used inside a transaction */
_POBJ_DEBUG_NOTICE_IN_TX();
ASSERT(OBJ_OID_IS_VALID(pop, *oidp));
return obj_realloc_common(pop, pop->store, oidp, size, type_num,
constructor_zalloc, constructor_zrealloc);
}
/*
* pmemobj_list_insert_new -- adds new object to a list
*/
PMEMoid
pmemobj_list_insert_new(PMEMobjpool *pop, size_t pe_offset, void *head,
PMEMoid dest, int before, size_t size,
unsigned int type_num,
void (*constructor)(PMEMobjpool *pop, void *ptr,
void *arg), void *arg)
{
LOG(3, "pop %p pe_offset %zu head %p dest.off 0x%016jx before %d"
" size %zu type_num %u",
pop, pe_offset, head, dest.off, before, size, type_num);
/* log notice message if used inside a transaction */
_POBJ_DEBUG_NOTICE_IN_TX();
ASSERT(OBJ_OID_IS_VALID(pop, dest));
if (type_num >= PMEMOBJ_NUM_OID_TYPES) {
errno = EINVAL;
ERR("!pmemobj_list_insert_new");
LOG(2, "type_num has to be in range [0, %i]",
PMEMOBJ_NUM_OID_TYPES - 1);
return OID_NULL;
}
if (size > PMEMOBJ_MAX_ALLOC_SIZE) {
ERR("requested size too large");
errno = ENOMEM;
return OID_NULL;
}
if (pe_offset >= pop->size) {
ERR("pe_offset (%lu) too big", pe_offset);
errno = EINVAL;
return OID_NULL;
}
struct list_head *lhead = &pop->store->bytype[type_num].head;
struct carg_bytype carg;
carg.user_type = (type_num_t)type_num;
carg.constructor = constructor;
carg.arg = arg;
carg.zero_init = 0;
PMEMoid retoid = OID_NULL;
list_insert_new(pop, lhead,
pe_offset, head, dest, before,
size, constructor_alloc_bytype, &carg, &retoid);
return retoid;
}
/*
* pmemobj_alloc_usable_size -- returns usable size of object
*/
size_t
pmemobj_alloc_usable_size(PMEMoid oid)
{
LOG(3, "oid.off 0x%016jx", oid.off);
if (oid.off == 0)
return 0;
PMEMobjpool *pop = cuckoo_get(pools, oid.pool_uuid_lo);
ASSERTne(pop, NULL);
ASSERT(OBJ_OID_IS_VALID(pop, oid));
return (pmalloc_usable_size(pop, oid.off - OBJ_OOB_SIZE) -
OBJ_OOB_SIZE);
}
/*
* pmemobj_free -- frees an existing object
*/
void
pmemobj_free(PMEMoid *oidp)
{
LOG(3, "oid.off 0x%016jx", oidp->off);
/* log notice message if used inside a transaction */
_POBJ_DEBUG_NOTICE_IN_TX();
if (oidp->off == 0)
return;
PMEMobjpool *pop = cuckoo_get(pools, oidp->pool_uuid_lo);
ASSERTne(pop, NULL);
ASSERT(OBJ_OID_IS_VALID(pop, *oidp));
obj_free(pop, oidp);
}
/*
* pmemobj_zrealloc -- resizes an existing object, any new space is zeroed.
*/
int
pmemobj_zrealloc(PMEMobjpool *pop, PMEMoid *oidp, size_t size,
unsigned int type_num)
{
ASSERTne(oidp, NULL);
LOG(3, "pop %p oid.off 0x%016jx size %zu type_num %u",
pop, oidp->off, size, type_num);
/* log notice message if used inside a transaction */
_POBJ_DEBUG_NOTICE_IN_TX();
ASSERT(OBJ_OID_IS_VALID(pop, *oidp));
if (type_num >= PMEMOBJ_NUM_OID_TYPES) {
errno = EINVAL;
ERR("invalid type_num %u", type_num);
return -1;
}
return obj_realloc_common(pop, pop->store, oidp, size,
(type_num_t)type_num, 1);
}
/*
* pmemobj_next - returns next object of specified type
*/
PMEMoid
pmemobj_next(PMEMoid oid)
{
LOG(3, "oid.off 0x%016jx", oid.off);
if (oid.off == 0)
return OID_NULL;
PMEMobjpool *pop = cuckoo_get(pools, oid.pool_uuid_lo);
ASSERTne(pop, NULL);
ASSERT(OBJ_OID_IS_VALID(pop, oid));
struct oob_header *pobj = OOB_HEADER_FROM_OID(pop, oid);
uint16_t user_type = pobj->data.user_type;
ASSERT(user_type < PMEMOBJ_NUM_OID_TYPES);
if (pobj->oob.pe_next.off !=
pop->store->bytype[user_type].head.pe_first.off)
return pobj->oob.pe_next;
else
return OID_NULL;
}