帶參創建線程

C++版本：  g++ -o test test.cpp -lpthread

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

pthread_t threadid1;
pthread_t threadid2;
int x=1,y=2;

void *thread1(void* a)
{	
	//int id = *(int *)a;
	while(1) {
	printf("thread1---->%d\n",*(int *)a);
	*(int *)a = 100;
	}
    return NULL;
}

void *thread2(void * b)
{
	//int id = *(int *)b;
	while(1) {
	printf("thread2---->%d\n",*(int *)b);
	*(int *)b = 200;
	}
    return NULL;
}

int main()
{	
	pthread_create(&threadid1,NULL,thread1,&x);
	pthread_create(&threadid2,NULL,thread2,&y);
	while(1) {
	printf("main---->%d----%d\n",x,y);
	}
}

C版本：  gcc -o test tset.c -lpthread

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

pthread_t threadid1;
pthread_t threadid2;
int x=1,y=2;

void thread1(int * a)
{	
	while(1) {
	printf("thread1---->%d\n",*a);
	*a = 100;
	}
}

void thread2(int * b)
{
	while(1) {
	printf("thread2---->%d\n",*b);
	*b = 200;
	}
}

int main()
{	
	pthread_create(&threadid1,NULL,(void *)thread1,&x);
	pthread_create(&threadid2,NULL,(void *)thread2,&y);
	while(1) {
	printf("main---->%d----%d\n",x,y);
	}
}