rfifo.cc

来自「达内IT培训Unix C++第三天源码 是入门Unix 下C++编程的好东西」· CC 代码 · 共 27 行

#include <iostream>
using namespace std;
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>

int main()
{
	mkfifo("abc", 0600);
	int fd = open("abc", O_RDONLY);
	if(fd<0){
		cout << "error open!" << endl;
		return -1;
	}
	cout << "open OK!" << endl;
	for(;;){
		char buf[500];
		int n = read(fd, buf, 500);
		if(n<=0) break;
		buf[n] = '\0';
		cout << buf << endl;
	}
	close(fd);
}