mkfifo()函数

最新推荐文章于 2025-06-09 09:15:05 发布

fulinux

最新推荐文章于 2025-06-09 09:15:05 发布

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分类专栏： Linux函数篇文章标签： mkfifo 管道

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/*********************************************************************************
*      Copyright: (C) 2013 fulinux<fulinux@sina.com>
*                  All rights reserved.
*
*       Filename: mkfifo.c
*    Description: This file
*
*        Version: 1.0.0(04/17/2013~)
*         Author: fulinux <fulinux@sina.com>
*      ChangeLog: 1, Release initial version on "04/17/2013 03:31:24 PM"
*
********************************************************************************/
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#define FIFO "fifo"

main()
{
    char buffer[80];
    int fd;
    unlink(FIFO);
    mkfifo(FIFO,0666);
    if(fork()>0)
    {
        char s[] = "hello\n";
        fd = open(FIFO,O_WRONLY);
        write(fd,s,sizeof(s));
        close(fd);
    }
    else
    {
        fd = open(FIFO,O_RDONLY);
        read(fd,buffer,80);
        printf("%s",buffer);
        close(fd);
    }
}