struct fast_mblock_node *fast_mblock_alloc(struct fast_mblock_man *mblock)
{
struct fast_mblock_node *pNode;
int result;
if (mblock->need_lock && (result=pthread_mutex_lock(&(mblock->lock))) != 0)
{
/*logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_lock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));*/
return NULL;
}
if (mblock->free_chain_head != NULL)
{
pNode = mblock->free_chain_head;
mblock->free_chain_head = pNode->next;
mblock->info.element_used_count++;
fast_mblock_ref_counter_inc(mblock, pNode);
}
else
{
if (mblock->delay_free_chain.head != NULL &&
mblock->delay_free_chain.head->recycle_timestamp <= get_current_time())
{
pNode = mblock->delay_free_chain.head;
mblock->delay_free_chain.head = pNode->next;
if (mblock->delay_free_chain.tail == pNode)
{
mblock->delay_free_chain.tail = NULL;
}
}
else if ((result=fast_mblock_prealloc(mblock)) == 0)
{
pNode = mblock->free_chain_head;
mblock->free_chain_head = pNode->next;
mblock->info.element_used_count++;
fast_mblock_ref_counter_inc(mblock, pNode);
}
else
{
pNode = NULL;
}
}
if (mblock->need_lock && (result=pthread_mutex_unlock(&(mblock->lock))) != 0)
{
/*logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_unlock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));*/
}
return pNode;
}
struct fast_mblock_node *fast_mblock_alloc(struct fast_mblock_man *mblock)
{
struct fast_mblock_node *pNode;
int result;
if ((result=pthread_mutex_lock(&(mblock->lock))) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_lock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
return NULL;
}
if (mblock->free_chain_head != NULL)
{
pNode = mblock->free_chain_head;
mblock->free_chain_head = pNode->next;
}
else
{
if ((result=fast_mblock_prealloc(mblock)) == 0)
{
pNode = mblock->free_chain_head;
mblock->free_chain_head = pNode->next;
}
else
{
pNode = NULL;
}
}
if ((result=pthread_mutex_unlock(&(mblock->lock))) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_unlock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
}
return pNode;
}
