void
slapi_value_free(Slapi_Value **v)
{
if(v!=NULL && *v!=NULL)
{
VALUE_DUMP(*v,"value_free");
value_done(*v);
slapi_ch_free((void **)v);
*v= NULL;
PR_INCREMENT_COUNTER(slapi_value_counter_deleted);
PR_DECREMENT_COUNTER(slapi_value_counter_exist);
}
}
/*
* Function: slapi_ch_free
*
* Returns: nothing
*
* Description: frees the pointer, and then sets it to NULL to
* prevent free-memory writes.
* Note: pass in the address of the pointer you want to free.
* Note: you can pass in null pointers, it's cool.
*
* Implementation: get the size from the size space, and determine the behavior
* based upon the size:
* 1B ~ 1KB: call system free
* 1KB + 1B ~ 64MB: return memory to mempool
* 64MB + 1B ~ : call munmap
*/
void
slapi_ch_free(void **ptr)
{
void *realptr;
unsigned long size;
if (ptr==NULL || *ptr == NULL){
return;
}
realptr = (void *)((char *)*ptr - sizeof(unsigned long));
size = *(unsigned long *)realptr;
if (size <= 1024) {
free (realptr);
} else if (size <= 67108864) {
/* return 2KB ~ 64MB memory to memory pool */
unsigned long roundup = 1;
int n = 0;
int rc = LDAP_SUCCESS;
while (1) {
roundup <<= 1;
n++;
if (roundup >= size) {
break;
}
}
PR_ASSERT(n >= 11 && n <= 26);
rc = mempool_return(n-11, *ptr, (mempool_cleanup_callback)NULL);
if (LDAP_SUCCESS != rc) {
free (realptr);
}
} else {
slapi_ch_munmap_no_roundup( ptr, size );
}
*ptr = NULL;
if(!counters_created)
{
create_counters();
counters_created= 1;
}
PR_INCREMENT_COUNTER(slapi_ch_counter_free);
PR_DECREMENT_COUNTER(slapi_ch_counter_exist);
return;
}
/*
* Function: slapi_ch_free
*
* Returns: nothing
*
* Description: frees the pointer, and then sets it to NULL to
* prevent free-memory writes.
* Note: pass in the address of the pointer you want to free.
* Note: you can pass in null pointers, it's cool.
*/
void
slapi_ch_free(void **ptr)
{
if (ptr==NULL || *ptr == NULL){
return;
}
#if defined(_WIN32) && defined(DEBUG)
if(recording)
{
remove_memory_record(*ptr);
}
#endif
free (*ptr);
*ptr = NULL;
if(!counters_created)
{
create_counters();
counters_created= 1;
}
PR_INCREMENT_COUNTER(slapi_ch_counter_free);
PR_DECREMENT_COUNTER(slapi_ch_counter_exist);
return;
}
