linux c多线程编程实例

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

// 线程执行的函数
void* print_message(void* ptr) {
    char* message = (char*) ptr;
    printf("%s
", message);
    return NULL;
}

int main() {
    pthread_t thread1, thread2;
    char* message1 = "Hello from Thread 1";
    char* message2 = "Hello from Thread 2";

    // 创建线程1
    if (pthread_create(&thread1, NULL, print_message, (void*) message1)) {
        fprintf(stderr, "Error creating thread 1
");
        return 1;
    }

    // 创建线程2
    if (pthread_create(&thread2, NULL, print_message, (void*) message2)) {
        fprintf(stderr, "Error creating thread 2
");
        return 1;
    }

    // 等待线程1结束
    if (pthread_join(thread1, NULL)) {
        fprintf(stderr, "Error joining thread 1
");
        return 2;
    }

    // 等待线程2结束
    if (pthread_join(thread2, NULL)) {
        fprintf(stderr, "Error joining thread 2
");
        return 2;
    }

    printf("All threads finished
");
    return 0;
}

gcc -o multithread_example multithread_example.c -lpthread

./multithread_example