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RSS订阅原创 线程池的简单实现
threadpool.h#ifndef _THREAD_POOL_H#define _THREAD_POOL_H#include <deque>#include <pthread.h>#include <string>#include <string.h>#include <stdlib.h>namespace Z1...
2020-05-07 17:04:34
215
原创 堆的C实现
heap.h#ifndef _HEAP_H#define _HEAP_Htypedef struct{ int *ptData; int maxSize; int size;}T_Heap;#endifheap.cpp#include "heap.h"#include <stdio.h>#include <stdlib.h>#incl...
2020-05-03 12:44:44
205
原创 排序算法
#include<iostream>#include<cstdio>#include<cstring>using namespace std;#define MAX_N 1000000int n;int a[MAX_N];void swap(int &a, int &b){ int temp = a; ...
2020-05-01 18:15:09
207
原创 哈希
#include <iostream>#include <cstdlib>#include <cstring>using namespace std;template<class T> class hash;template<>class hash<string>{public: size_t ...
2020-04-28 09:07:39
191
原创 跳表skiplist相关
基于字典的跳表实现#include <iostream>#include <cstdio>#include <cstdlib>#include <cmath>#include <ctime>using namespace std;template <class K, class E>struct sk...
2020-04-26 11:44:45
129
原创 shmc共享内存相关
1.shm_open简单的使用#include <sys/stat.h>#include <unistd.h>#include <stdio.h>#include <stdlib.h>#include <sys/mman.h>#include <fcntl.h>#include <errno.h>...
2020-04-22 14:03:53
746
原创 mmap内存映射相关例程
1.父进程子进程通过mmap内存映射来往一个文件里写int类型对象的计数#include <semaphore.h>#include <fcntl.h>#include <sys/stat.h>#include <unistd.h>#include <stdlib.h>#include <stdio.h>#i...
2020-04-20 14:26:51
317
原创 消息队列
1.mq_open等相关系统函数使用#include <iostream>#include <algorithm>#include <cstring>#include <mqueue.h>#include <fcntl.h>#include <errno.h>#include <stdio.h>...
2020-04-16 15:05:09
136
原创 单例模式的四种线程安全的实现
1.懒汉经典模式，用互斥锁实现#include <pthread.h>#include <stdio.h>#include <iostream>class CSingletonLock{private: pthread_mutex_t m_mutex;public: CSingletonLock() { ...
2020-04-13 23:22:24
179
原创 多线程例程
1.子线程循环10次，主线程循环100次，接着子线程循环10次，如此循环50次，请写出代码#include <stdlib.h>#include <stdio.h>#include <pthread.h>#include <unistd.h>#define LOOPNUM 50#define MAINLOOPNUM 100#de...
2020-04-11 22:27:10
260
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