linux线程超时

#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* thread_func(void* arg) {
    pthread_mutex_lock(&mutex);
    while (!ready) {
        struct timespec ts;
        clock_gettime(CLOCK_REALTIME, &ts);
        ts.tv_sec += 5; // 设置超时时间为5秒
        int ret = pthread_cond_timedwait(&cond, &mutex, &ts);
        if (ret == ETIMEDOUT) {
            printf("Thread timed out\n");
            break;
        }
    }
    pthread_mutex_unlock(&mutex);
    return NULL;
}

int main() {
    pthread_t thread;
    pthread_create(&thread, NULL, thread_func, NULL);

    // 模拟主线程做一些工作
    sleep(10);

    pthread_mutex_lock(&mutex);
    ready = 1;
    pthread_cond_signal(&cond);
    pthread_mutex_unlock(&mutex);

    pthread_join(thread, NULL);
    return 0;
}