Pthread1 pthread_create pthread_join

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本文展示了一个使用C语言创建两个线程的例子：一个线程用于打印字符串消息，另一个线程用于打印结构体中学生的年龄和姓名。通过pthread库创建线程并传递参数，展示了线程同步和创建的基本步骤。

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

struct student{
	int age;
	char name[20];
};

void* print_msg_function(void* msg){
	printf("%s\n", (char*)msg);
}

void* printf_student_function(void* student_info){
	struct student *student_ptr = (struct student*)student_info;
	printf("age = %d, name = %s\n", student_ptr->age, student_ptr->name);
}

int main(){
	pthread_t thread1, thread2;
	char *msg1 = "thread1";

	struct student stu_entry;
	stu_entry.age = 20;
	strcpy(stu_entry.name, "amao");


	int rt1 = pthread_create(&thread1, NULL, print_msg_function, (void*)msg1);
	int rt2 = pthread_create(&thread2, NULL, printf_student_function, (void*)&stu_entry);

	pthread_join(thread1, NULL);
	pthread_join(thread2, NULL);

	printf("rt1 = %d\n", rt1);
	printf("rt2 = %d\n", rt2);

	return 0;
}