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生产消费2

时间:2016-05-26 10:14:49      阅读:126      评论:0      收藏:0      [点我收藏+]

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#include "stdio.h"
#include "string.h"
#include <iostream>
#include <pthread.h>
#include <vector>
#include <assert.h>
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
 
class Product
{
private:
    int  mId;
public:
    Product( int id ):mId(id){}
Product( ):mId(-1){};
    //Product( const Product &p){mId = p.mId;}
    int GetId( ){return mId;}
};
 
class ProductPool
{
private:
    int mCount;
//int mPoint;
std::vector<Product *> mvProductQueue;
public:
    ProductPool(int iCount):mCount(iCount)
{
   mvProductQueue.reserve(iCount);
}
~ProductPool()
{
   //delete mvProductQueue;
}
bool IsFull(){return mvProductQueue.size() == mCount?true:false;}
bool IsEmpty(){return mvProductQueue.empty();}
bool putProduct(Product *p)
{
   if ( IsFull() )
{
   std::cout<<"Is Full!!!"<<std::endl;
return false;
}
std::cout<<"Produce a product:id = \n";//<<mPoint<<std::endl;
mvProductQueue.push_back(p);
   return true;
}
Product* getProduct()
{
   if ( IsEmpty() )
{
   std::cout<<"Is Empty!!!"<<std::endl;
return NULL;
}
        std::cout<<"Consume a product:id = \n";//<<mPoint-1<<std::endl;
Product *pRet = mvProductQueue.back();
assert(pRet!=NULL);
mvProductQueue.pop_back();
return pRet;
}    
};
 
 
 
class Producer
{
private:
    int mId;
ProductPool *mProductPool;
public:
    Producer( int id ,ProductPool *rProductPool):mId(id),mProductPool(rProductPool){};
void Produce( )
{
   while( true )
{
sleep(1);
   pthread_mutex_lock(&mutex);
 
Product *pP = new Product(1);
if (mProductPool->putProduct(pP))
{
   std::cout<<"I am producer,id = "<<mId<<",I produce a product"<<std::endl; 
}
else
{
   std::cout<<"I can;t put a product.....\n";
delete pP;
}
pthread_mutex_unlock(&mutex);
 
   }
}
static void* ProduceThreadProc( void *rThis)
{
        Producer *p = (Producer*)rThis;
p->Produce();
}
};
 
 
class Consumer
{
private:
    int mId;
    ProductPool *mProductPool;
public:
    Consumer(int id,ProductPool *rProductPool):mId(id),mProductPool(rProductPool){};
void Consume()
{
   while( true )
{
   sleep(3);
   pthread_mutex_lock(&mutex);
Product *pP = mProductPool->getProduct();
if( pP == NULL) {std::cout<<"Warnning:I am not get a product....!!!!\n";}
else {  std::cout<<"I am consumer,id = "<<mId<<",I consume a product"<<std::endl;delete pP;}
pthread_mutex_unlock(&mutex);
   }
}
static void* ConsumeThreadProc(void *rThis)
{
        Consumer *p = (Consumer*)rThis;
p->Consume();
}
};
int main()
{
pthread_t tids[2];
ProductPool aProductPool(10);
Producer *aP = new Producer(1,&aProductPool);
Consumer *aC = new Consumer(2,&aProductPool);
    pthread_create(&tids[0],NULL,Producer::ProduceThreadProc,(void*)aP);
    pthread_create(&tids[1],NULL,Consumer::ConsumeThreadProc,(void*)aC);
pthread_join(tids[0],NULL);
pthread_join(tids[1],NULL);
    return 0;
}

生产消费2

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原文地址:http://www.cnblogs.com/haochen2016/p/5529751.html

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