fork2.cc

达内IT培训Unix C++第二天源码 是入门Unix 下C++编程的好东西

#include <iostream>
using namespace std;
#include <unistd.h>

int main()
{
	cout << "pid:" << getpid() << endl;
	if(fork()==0){
		cout << "my pid=" << getpid() << ", my ppid=" << getppid() << endl;
	}
	else{
		cout << "PID=" << getpid() << ", PPID=" << getppid() << endl;
	}
}