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DPDK 内存管理---malloc_heap和malloc_elem

基本内存分布结构说明 malloc_elem介绍 elem是heap管理内存的基本单元，内存的添加和删除都是基于elem结构来操作的，内存块有三种状态，具体如下： enum elem_state {...ELEM_FREE = 0, /*表示当前elem块是空闲的*/ ELEM_BUSY, /*表示当前elem块已经被使用的*/ ELEM_PAD /*表示当前elem块已经使用并且是...具体分布如下：当申请elem1块剩余空间小于elem最小内存时，会创建一个ELEM_PAD 类型的elem2块。...ELEM_PAD 数据块内存状态如下，主要原因是rte_malloc 是返回data区域的首地址，通过数据首地址-malloc elem结构大小可以找到elem2块的地址，根据elem2的类型是ELEM_PAD...->next == RTE_PTR_ADD(elem, elem->size) && elem->next->msl == elem->msl && (!

1.2K4 0

C语言：ini配置文件的编辑器（1）

m_Elem[i].elem_count=0; // printf("elem_name:%s\n",m_Elem[i].elem_name); elem_count ++; i+...("Key:%s Value:%s\n",m_Elem[i-1].m_Elem_str[Elem_num].item_name,m_Elem[i-1].m_Elem_str[Elem_num].item_str...memcpy(&m_Elem[i].elem_name,&m_Elem[i-1].elem_name,strlen(m_Elem[i-1].elem_name)); m_Elem[i]....elem_name[strlen(m_Elem[i-1].elem_name)] = '\0'; m_Elem[i].elem_count = m_Elem[i-1].elem_count;...[i].elem_name,m_Elem[i+1].elem_name,strlen(m_Elem[i+1].elem_name)); m_Elem[i].elem_name[strlen(m_Elem

2.2K4 0

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layui.tree 父级与子级取消关联

ELEM_MAIN = 'layui-tree-main', ELEM_TEXT = 'layui-tree-txt', ELEM_PACK = 'layui-tree-pack', ELEM_SPREAD...ELEM_SET).removeClass(ELEM_LINE_SHORT); elem.children('.' + ELEM_PACK).addClass...('.' + ELEM_SET).last().children('.' + ELEM_PACK).children('.' + ELEM_SET).last().addClass(ELEM_LINE_SHORT...elem.prev('.' + ELEM_SET)[0] && !elem.next('.' + ELEM_SET)[0] && !...elem.next()[0] && !elem.parents('.' + ELEM_SET)[1] && !

2K2 0

jq ---- 实现浏览器全屏

// 点击进入全屏方法、 var fullscreen=function(){ elem=document.body; if(elem.webkitRequestFullScreen)...{ elem.webkitRequestFullScreen(); }else if(elem.mozRequestFullScreen){ elem.mozRequestFullScreen...(); }else if(elem.requestFullScreen){ elem.requestFullscreen(); }else{ //浏览器不支持全屏...){ elem.webkitCancelFullScreen(); }else if(elem.mozCancelFullScreen){ elem.mozCancelFullScreen...(); }else if(elem.cancelFullScreen){ elem.cancelFullScreen(); }else if(elem.exitFullscreen

1.2K4 0

用c语言实现顺序表_顺序表代码讲解以及实现

-1;i>=pos-1;i--) { L->elem[i+1]=L->elem[i];//数据元素后移一位 } L->elem[pos-1]=elem; L->length++; return success...请先创建顺序表\n"); } if(L->elem) { free(L->elem); L->elem=NULL; L->length; return NoCreate; } } 7....求前驱算法 Status List_Prior(Sqlist *L,int pos) { ElemType elem; if(1length) { elem=L->elem...=L->length-1;i>=pos-1;i--) { L->elem[i+1]=L->elem[i];//数据元素后移一位 } L->elem[pos-1]=elem; L->length++...&&poslength) { elem=L->elem[pos-1-1]; printf("前驱数值为：%d\n",elem); return success; } return fail

1.8K2 0

链表的其他类型

_head is None def prepend(self, elem): self._head = LNode(elem, self...._head) """在链表头部添加元素""" def add(self, elem): node = LNode(elem) # 结点的next指针域指向头结点..._head.next = p def append(self, elem): self.prepend(elem) self._head = self...._head.next = p.next return p.elem # search(elem) 查找节点是否存在 def search(self, elem):..._head = p def append(self, elem): p = DLNode(elem, self._head, None) if self.

85015 0

《数据结构》顺序表常用操作代码集合

[k+1] = L->elem[k]; L->elem[i-1] = e; L->last++; return OK; } //线性表的删除操作 int DelList...[i] elem[j]) { LC->elem[k] = LA->elem[i]; i++; k++; }...else{ LC->elem[k] = LB->elem[i]; j++; k++; } while(i ...last) { LC->elem[k] = LA->elem[i]; i++; k++; } while(j elem[i] || (i last && j > LB->last ) { LC->elem[k] = LA->elem[

5125 0

期末考试必备----数据结构----顺序表（初始化，插入，删除，合并）

+ i);/*把平时的数组名更改为L.elem*/ //法二：指针写法 int* p = L.elem; for (p; p < L.elem + L.len/**/; p++) scanf...[i] <= L1.elem[j]) { L2.elem[len++] = L.elem[i]; if (L.elem[i] == L1.elem[j]) j++; i++...; } if (i < L.len) { while (j < L1.len && L1.elem[j] <= L.elem[i]) { L2.elem[len++]...= L1.elem[j]; if (L.elem[i] == L1.elem[j]) i++; j++; } } } if (i < L.len) {...for (i; i < L.len; i++) L2.elem[len++] = L.elem[i]; } else { for (j; j < L1.len; j++) L2.elem

821 0

Golang泛型编程初体验

elem: %v already exist\n", elem) return ERR_ELEM_EXIST } } *this = append...(*this, elem) fmt.Printf("Slice:Add elem: %v succ\n", elem) return nil } func (this* Slice)...found { fmt.Printf("Slice:Remove elem: %v not exist\n", elem) return ERR_ELEM_NT_EXIST...(*this, elem) fmt.Printf("Slice:Add elem: %v succ\n", elem) return nil } func (this* Slice)...found { fmt.Printf("Slice:Remove elem: %v not exist\n", elem) return ERR_ELEM_NT_EXIST

3.2K8 0

数据结构_顺序表（C++

+ 1; i > 1; i --) { elem[i] = elem[i - 1]; } elem[1] = x; size++; } template<class slDataType...elem) throw nullPointer(); delete[]elem; elem = NULL; size = 0; capacity = 0; } 总结这里只有一点比较重要...[i]; elem[i] = elem[j]; elem[j] = k; i += 2;...[j]<0) { int k=elem[j]; elem[j]=elem[i]; elem[i]=k;...[1] <= elem[2]) //如果前m个递增 { if (elem[m + 1] <= elem[m + 2]) //如果后n个递增 {

4332 0

jQuery源码解析之width()

elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?...parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) { val = elem[...④ curCSS( elem, dimension, styles ) 作用：获取元素的当前属性的值 // 获取元素的当前属性的值 // elem, "position" // elem,width...var styles = getStyles( elem ), //true isBorderBox = jQuery.css( elem, "boxSizing", false...styles = getStyles( elem ), isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) ==

3.1K2 0

常见算法之排序

一般地，在第 $i$ 步上，将 $elem[i]$ 插入到由 $elem[0]$ ~ $elem[i-1]$构成的有序子序列中。...elem[j+1] = elem[j]; } // 结束上述循环即找到令elem[i] >= elem[j]的位置j // 此时elem...+incr elem[j + incr] = elem[j]; } // 结束上述循环即找到令elem[i] >= elem[j]的位置j...] >= elem[low]) // elem[high]为枢轴 low++; swap(elem[low], elem[high]); } return...[i],elem[i+1],…,elem[n-1]$)中选择最小数据元素作为有序序列的第 $i$ 个数据元素。

6002 0

日期时间控件

' }); //年月选择器 laydate.render({ elem: '#test3' ,type: 'month' }); //时间选择器 laydate.render({ elem:...时间选择代码 //日期范围 laydate.render({ elem: '#test6' ,range: true }); //年范围 laydate.render({ elem...({ elem: '#test19' ,value: '1989-10-14' }); //选中后的回调 laydate.render({ elem: '#test20' ,done:...elem: '#test28' }); 当然也可以直接显示日期时间控件代码 //直接嵌套显示 laydate.render({ elem: '#test-n1' ,position...({ elem: '#test-n3' ,type: 'month' ,position: 'static' }); laydate.render({ elem: '#test-n4'

4.4K2 0

Golang泛型编程初体验

elem: %v already exist\n", elem) return ERR_ELEM_EXIST } } *this = append...(*this, elem) fmt.Printf("Slice:Add elem: %v succ\n", elem) return nil } func (this* Slice)...found { fmt.Printf("Slice:Remove elem: %v not exist\n", elem) return ERR_ELEM_NT_EXIST...(*this, elem) fmt.Printf("Slice:Add elem: %v succ\n", elem) return nil } func (this* Slice)...found { fmt.Printf("Slice:Remove elem: %v not exist\n", elem) return ERR_ELEM_NT_EXIST

1.4K8 0

PriorityQueue优先级队列

; public int usedSize; public MyPriortyQueue(int k) { elem = new int[k]; }...[child],elem[child+1])>0){ child++; } if(compare(elem[root],elem...[child])>0){ int tmp = elem[root]; elem[root] = elem[child];...elem[child] = tmp; root = child; child = root*2+1; }else{...[parent],elem[child])>0){ int tmp = elem[parent]; elem[parent] = elem

1543 0

数据结构线性表操作

; scanf("%d%d", &pos, &elem); ListInsert_Sq(L, pos, elem); } else if(...ListDelete_Sq(L, pos, elem); printf("%d\n", elem); } else if(operationType == 3)...{ //查找定位操作 ElemType elem; scanf("%d", &elem); int pos = ListLocate_Sq...[i]=L.elem[i-1]; L.length++; L.elem[pos]=e; return OK; } Status ListDelete_Sq(SqList &L,...for(i=pos;i<=L.length-1;i++) L.elem[i]=L.elem[i+1]; L.elem[L.length]=0; L.length--;

4995 0

jQuery之html()的实现

elem = this[i] || {}; if (elem.nodeType === 1) { elem.innerHTML = value; }...); elem.innerHTML = value; } } //将elem置为0，是防止执行下面的if(elem...置为0，是防止执行下面的if(elem)......elem = this[i] || {}; if (elem.nodeType === 1) { elem.innerHTML = value; }...); elem.innerHTML = value; } } //将elem置为0，是防止执行下面的if(elem

1.4K1 0

顺序表练习——C++学生信息管理系统

L.elem) delete[] L.elem; cout << "销毁成功！"...[i].Name << setw(10) <<L.elem[i].Num << setw(10) << L.elem[i].Sex << setw(10) << L.elem[i].Age <...< setw(15) << L.elem[i].Tele << setw(28) << L.elem[i].Addr << setw(15) << L.elem[i].Score << endl; cout...[j].Num > L.elem[j + 1].Num) { Temp = L.elem[j]; L.elem[j] = L.elem[j + 1]; L.elem[j +...[i].Name << setw(10) << L.elem[i].Num << setw(10) << L.elem[i].Sex << setw(10) << L.elem[i].Age <

1.1K8 7

ArrayList部分功能实现

public class MyArraylist { public int[] elem; public int usedSize = 0;//0 //默认容量 private...static final int DEFAULT_SIZE = 10; public MyArraylist() { this.elem = new int[DEFAULT_SIZE...= Arrays.copyOf(elem,2*elem.length); } elem[usedSize] = data; usedSize++;...= Arrays.copyOf(elem, 2 * elem.length); } for (int i = usedSize - 1; i >= pos; i--)...{ elem[i + 1] = elem[i]; } elem[pos] = data; usedSize++; }

861 0

python实现单链表

#encoding:utf-8 import sys class Lnode(): def __init__(self,elem,next=None): self.elem ...= elem #节点的值 self.next = next #指向下一个节点 def getelem(self): return self.elem... the link list" %elem return -1 else: #如果在链表中找到元素elem p =...return -1 #修改指定元素 def modify(self,elem,newelem): if self.find(elem) !... def delnode(self,elem): if self.find(elem) !

4463 0

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