linux c线程阻塞与释放

#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>

pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;

void* thread_func(void* arg) {
    pthread_mutex_lock(&mutex); // 阻塞等待锁
    printf("Thread is running\n");
    pthread_mutex_unlock(&mutex); // 释放锁
    return NULL;
}

int main() {
    pthread_t thread;
    pthread_create(&thread, NULL, thread_func, NULL);
    pthread_join(thread, NULL);
    return 0;
}

#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
int ready = 0;

void* producer(void* arg) {
    sleep(1); // 模拟生产过程
    pthread_mutex_lock(&mutex);
    ready = 1;
    pthread_cond_signal(&cond); // 发送信号，唤醒消费者线程
    pthread_mutex_unlock(&mutex);
    return NULL;
}

void* consumer(void* arg) {
    pthread_mutex_lock(&mutex);
    while (!ready) {
        pthread_cond_wait(&cond, &mutex); // 阻塞等待信号
    }
    printf("Consumer is running\n");
    pthread_mutex_unlock(&mutex);
    return NULL;
}

int main() {
    pthread_t producer_thread, consumer_thread;
    pthread_create(&producer_thread, NULL, producer, NULL);
    pthread_create(&consumer_thread, NULL, consumer, NULL);
    pthread_join(producer_thread, NULL);
    pthread_join(consumer_thread, NULL);
    return 0;
}