C+= concurrent_queue 线程安全测试

更推荐使用：http://www.boost.org/doc/libs/1_56_0/doc/html/boost/lockfree/queue.html


#include <include/tbb/tbb.h>

#include <pthread.h>

#include <iostream>

using namespace std;



#define NUM_THREAD 10

class person {

public:

    person() {

    }

    person(int name, unsigned int thread_num){

        this->name = name;

        this->thread_num = thread_num;

    }



    void print() {

        printf("%u\t%u\n", thread_num, name);

    }

private:

    int name;

    unsigned int thread_num;

};







tbb::strict_ppl::concurrent_queue<person*> que;



void* consumer(void* arg) {

    cout << arg << endl;

    while(true) {

        if(que.empty()) {

            cout << '.' << flush;

            sleep(1);

        }

        person* p;

        if(que.try_pop(p)) {

            p->print();

        }

    }

}



void* producer(void* arg) {

    cout << arg << endl;

    unsigned int thread_num =(unsigned int)pthread_self();

    for(int i=0; i<10; i++) {

        person* p = new person(i, thread_num);

        que.push(p);

    }

}





int main()

{

    pthread_t tids_c[NUM_THREAD];

    for(int i=0; i<NUM_THREAD; i++) {

        int ret = pthread_create(&tids_c[i], NULL, consumer, NULL);

        if(ret != 0) {

            cout << "start consumer failed" << endl;

            return -1;

        }

    }

    

    pthread_t tids[NUM_THREAD];

    for(int i=0; i<NUM_THREAD; i++) {

        int ret = pthread_create(&tids[i], NULL, producer, NULL);

        if(ret != 0) {

            cout << "start produer failed" << endl;

            return -1;

        }

    }





   for(int i=0; i<NUM_THREAD; i++){

       pthread_join(tids[i], NULL);

       pthread_join(tids_c[i], NULL);

   }



   cout << "exit" << endl;

}



/* vim: set ts=4 sw=4 sts=4 tw=100 */

dic = {}

with open('log.txt') as f:

    while True:

        line = f.readline()

        if not line:

            break;

        line = line.strip()



        arr = line.split('\t')

        key = arr[1]



        if key not in dic:

            dic[key] = 1

        else:

            dic[key] += 1



    for key in dic:

        print key, dic[key]