悠悠博客 (讨论区存档) — 技术永无止尽，未来事在人为

请问：linux难道没有端口重用吗？我用SO_REUSEPORT报找不到

if( getsockopt( sockfd , SOL_SOCKET, SO_REUSEPORT,
                 ( char *)&optval, &optlen ) < 0 )
            printf( " get socket error /n" );

  if( setsockopt( sockfd , SOL_SOCKET, SO_REUSEPORT,
         ( char *)&optval, sizeof( optval ) ) < 0 )
            printf( " set socket error /n" );

编译报错：
libtcp.c:1195: error: `SO_REUSEPORT' undeclared (first use in this function)
libtcp.c:1195: error: (Each undeclared identifier is reported only once
libtcp.c:1195: error: for each function it appears in.)


我用的是suse9