lkml.org 
[lkml]   [2008]   [Jun]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [RFC -mm 0/6] sysv ipc: scale msgmnb with the number of cpus
    Solofo.Ramangalahy@bull.net wrote:
    > Humm... now this make me think that you did not change the MSGMNB
    > value when you changed MSGMNI and MSGMAX.
    > Maybe that was on purpose?
    >
    >
    I was afraid that it might break user space applications that queue a
    few kb of messages.
    That's also the reason for
    > if (msgsz + msq->q_cbytes <= msq->q_qbytes &&
    > 1 + msq->q_qnum <= msq->q_qbytes) {
    > break;
    > }
    It's possible to send 0-byte messages even if the message queue is full
    [except that you can't send more than MSGMNB messages].

    --
    Manfred


    \
     
     \ /
      Last update: 2008-06-24 20:03    [W:0.033 / U:0.200 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site