make_named_socket.c

来自「SUN Solaris8平台下进程间通信」· C语言 代码 · 共 25 行

#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/un.h>
#include "err_exit.h"
int make_named_socket (const char *filename)
{
    struct sockaddr_un name;
    int sock;
    size_t size;
    /* 创建套接字 */
    sock = socket(AF_UNIX, SOCK_DGRAM, 0);
    if (sock < 0) 
        err_exit("socket");
    /* 命名套接字 */
    name.sun_family = AF_UNIX;
    strcpy(name.sun_path, filename);
    /* 地址的大小是文件名开始的偏移与其长度之和加1（用于终止的空字节）*/
    size = sizeof(struct sockaddr_un) + 1;
    if (bind (sock, (struct sockaddr *)&name, size) < 0)
        err_exit("bind");
    return sock;
}