代码

#include<stdio.h>
#include<pthread.h>
#include<sched.h>
void *producter_f(void *arg);
void *consumer_f(void *arg);
int buffer_has_item=0;
pthread_mutex_t mutex;
int running=1;
int main(void)
{pthread_t consumer_t;pthread_t producter_t;pthraed_mutex_init(&mutex,NULL);pthread_create(&producter_t,NULL,(void*)producter_f,NULL);pthread_create(&consumer_t ,NULL,(void*)consumer_f,NULL);usleep(1);running =0;pthread_join(consumer_t,NULL);pthread_join(producter_t,NULL};pthread_mutex_destroy(&mutex);return 0;
}
void *producter_f(void *arg)
{while(running){pthread_mutex_lock(&mutex);buffer_has_item++;printf("product,total num:%d\n",buffer_has_item);pthread_mutex_unlock(&mutex);}
}
void *consumer_f(void *arg)
{while(running){pthread_mutex_lock(&mutex);buffer_has_item--;printf("consumer,total num:%d\n",buffer_has_item);pthread_mutex_unlock(&mutex);}	
}

运行：