最基础的multi thread

#include <iostream>
#include <vector>
#include <algorithm>
#include <cstdlib>
#include <cstdio>
#include <pthread.h>
#include <unistd.h>
//using namespace std;
pthread_mutex_t mutex=PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t cond=PTHREAD_COND_INITIALIZER;
int data;
void *thread_func(void *argv){
    while(1){
        pthread_mutex_lock(&mutex);
        pthread_cond_wait(&cond,&mutex);
        std::cout<<"we got "<<data<<std::endl;
        pthread_mutex_unlock(&mutex);
    }
    return 0;
}

int main(int argc, char** argv){
    pthread_t tid;
    pthread_create(&tid,NULL,thread_func,NULL);
    sleep(1);
    for(int i=1;i<=10;i++){
        pthread_mutex_lock(&mutex);
        data = i;
        pthread_cond_signal(&cond);
        pthread_mutex_unlock(&mutex);
        sleep(1);
    }
    std::cout<<"main thread done"<<std::endl;
    pthread_join(tid,NULL);
    return 0;


}