#include <stdio.h>
#include "mempool_list.h"
int mem_list_insert_head(mem_list *mem_list, const void *ptr,int mempool_index)
{
if(ptr == NULL)
return -1;
mem_node* new_node = (mem_node*)ptr;
pthread_mutex_lock(&mem_list->mtx);
new_node->mem_list_index = mempool_index;
if(mem_list->block_num == 0)
mem_list->tail = new_node;
new_node->next = mem_list->head;
mem_list->head = new_node;
mem_list->block_num ++;
pthread_mutex_unlock(&mem_list->mtx);
return 0;
}
/*在链表的尾部插入数据*/
int mem_list_insert_tail(mem_list *mem_list, const void *ptr,int mempool_index)
{
mem_node *new_node = (mem_node *)ptr; //创建插入的节点
if(new_node == NULL)
return -1;
new_node->mem_list_index = mempool_index;
pthread_mutex_lock(&mem_list->mtx);
if(mem_list->block_num == 0)
mem_list->head = new_node;
else
mem_list->tail->next = new_node;
mem_list->tail = new_node;
new_node->next = NULL;
mem_list->block_num++;
pthread_mutex_unlock(&mem_list->mtx);
return 0;
}
mem_node* mem_list_pop(mem_list *mem_list) {
pthread_mutex_lock(&mem_list->mtx);
if(mem_list->block_num == 0 ) {
pthread_mutex_unlock(&mem_list->mtx);
return NULL;
}
--mem_list->block_num;
mem_node* temp_node = mem_list->head;
mem_list->head = temp_node->next;
pthread_mutex_unlock(&mem_list->mtx);
return temp_node;
}
