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    SubjectRe: possible kernel bug in signal transit.
    Alex Lyashkov <shadow@psoft.net> wrote:
    >
    > > int __kill_pg_info(int sig, struct siginfo *info, pid_t pgrp)
    > > {
    > > struct task_struct *p;
    > > struct list_head *l;
    > > struct pid *pid;
    > > int retval;
    > > int found;
    > >
    > > if (pgrp <= 0)
    > > return -EINVAL;
    > >
    > > found = 0;
    > > retval = 0;
    > > for_each_task_pid(pgrp, PIDTYPE_PGID, p, l, pid) {
    > > int err;
    > >
    > > found = 1;
    > > err = group_send_sig_info(sig, info, p);
    > > if (!retval)
    > > retval = err;
    > > }
    > > return found ? retval : -ESRCH;
    > > }
    > not. it error. At this code you save first non zero value err but other
    > been ignored.

    Well we can only return one error code. Or are you suggesting that we
    should terminate the loop early on error? If so, why?
    -
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