幸运6码飞艇7码8码滚雪球公式规律分享不为人知的秘密

1. 生产者1个线程

2. 消费者1个线程

3. 通过pthread_mutex_t并发控制

4. 通过pthread_cond_t wait signal

5. signal放到unlock后面

6. sleep放到unlock后面

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#include <stdio.h> #include <unistd.h> #include <pthread.h>   #define PRODUCER_SIZE 1 #define CONSUMER_SIZE 1   int products = 0;   pthread_mutex_t mutex; pthread_cond_t cond;   void produce(); void consume();     int main() {     pthread_t producer;     pthread_t consumer;       pthread_mutex_init(&mutex, NULL);     pthread_cond_init(&cond, NULL);       pthread_create(&producer, NULL, produce, NULL);     pthread_create(&consumer, NULL, consume, NULL);       pthread_join(producer, NULL);     pthread_join(consumer, NULL);       return 0; }   void produce(){ //    sleep(2);     printf("start produce\n");     while (1) {         pthread_mutex_lock(&mutex);         products++;         printf("produce:%d start wake consum\n", products);         pthread_mutex_unlock(&mutex);         pthread_cond_signal(&cond);         sleep(1);     } }   void consume() {     printf("start consum\n");     while (1) {         pthread_mutex_lock(&mutex);         while (products <= 0) {             printf("consum start wait cond\n");             pthread_cond_wait(&cond, &mutex);             printf("consum wake up\n");         }         if (products > 0) {             printf("consum:%d\n", products);             products --;         }         pthread_mutex_unlock(&mutex);         sleep(3);     } }