lkml.org 
[lkml]   [2010]   [Sep]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: [PATCH 2/5] AF_UNIX: enable/disable multicast with getsockopt/setsockopt
    From
    Date
    Le vendredi 24 septembre 2010 à 18:25 +0100, Alban Crequy a écrit :
    > Multicast can be enabled or disabled after a socket is allocated but this
    > cannot be changed once the socket is bound or connected.
    >
    > Userspace applications can enable multicast on an Unix stream socket:
    > sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
    > #define UNIX_MULTICAST 1
    > val = 1;
    > len = sizeof(val);
    > ret = setsockopt(sockfd, 0, UNIX_MULTICAST, &val, len);
    >
    > Signed-off-by: Alban Crequy <alban.crequy@collabora.co.uk>


    > + if (val != 0) {
    > + u->multicast = 1;
    > + } else {
    > + u->multicast = 0;
    > + }

    u->multicast = !!val;



    --
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2010-09-27 20:09    [W:0.022 / U:32.076 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site