树莓派学习系列 ——多线程pthread_create(,,,)_树莓派多线程+循环解决

最新推荐文章于 2024-11-24 14:33:21 发布

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#学习 #c++ #算法

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include
using namespace std;
int a = 1;
void* thread1(void *args)//this is
{
int flag = (int)args;
while(*flag)
{

}

pthread_exit(NULL);

}
void* thread2(void *args)
{
int flag = (int)args;
while(*flag)
{

}
pthread_exit(NULL);

}
void* thread3(void *args)
{ int flag =(int)args;
if(getchar() == ‘\n’)
{
*flag = 0;
}
pthread_exit(NULL);
}
int main()
{
pthread_t tid1,tid2,tid3;
int err;
void *result;
int *open=&a;
err = pthread_create(&tid1,NULL,thread1,open);
err = pthread_create(&tid2,NULL,thread2,open);
err = pthread_create(&tid3,NULL,thread3,open);
while(*open);
err = pthread_join(tid1,NULL);
err = pthread_join(tid2,NULL);
err = pthread_join(tid3,NULL);
return 0;
}