Keyboard input / init + questions

[Jerome Martin]

FYI, just finished that test, commenting out the two TIOCSCTTY force-steals
in init code solves the issue.
I wonder what kind of init you normally use ? This is plain old sysvinit ...

On Sun, Sep 26, 2010 at 11:29 PM, Jerome Martin <tramjoe.merin at gmail.com>wrote:

> ok, will do.
> But meanwhile I have checked sysvinit sources, and since the very first
> release this code is in, so I assumed you have a workaround for this, but I
> find it strange that it works, because not only init steal the tty when
> starting, but it does so in a separate process every time it spawns a child
> too....
>
> if ((f = console_open(O_RDWR|O_NOCTTY)) >= 0) {
> /* Take over controlling tty by force */
>  (void)ioctl(f, TIOCSCTTY, 1);
>    dup(f);
>    dup(f);
>  }
> SETSIG(sa, SIGCHLD, SIG_DFL, SA_RESTART);
> if ((pid = fork()) < 0) {
>    initlog(L_VB, "cannot fork: %s",
> strerror(errno));
> exit(1);
>  }
> if (pid > 0) {
> /*
>  * Ignore keyboard signals etc.
>  * Then wait for child to exit.
>  */
> SETSIG(sa, SIGINT, SIG_IGN, SA_RESTART);
> SETSIG(sa, SIGTSTP, SIG_IGN, SA_RESTART);
>  SETSIG(sa, SIGQUIT, SIG_IGN, SA_RESTART);
>
> while ((rc = waitpid(pid, &st, 0)) != pid)
>  if (rc < 0 && errno == ECHILD)
> break;
>
> /*
>  * Small optimization. See if stealing
>  * controlling tty back is needed.
>  */
> pgrp = tcgetpgrp(f);
> if (pgrp != getpid())
>  exit(0);
>
> /*
>  * Steal controlling tty away. We do
>  * this with a temporary process.
>  */
>  if ((pid = fork()) < 0) {
>    initlog(L_VB, "cannot fork: %s",
>  strerror(errno));
> exit(1);
> }
>  if (pid == 0) {
> setsid();
> (void)ioctl(f, TIOCSCTTY, 1);
>  exit(0);
> }
>
>
> On Sun, Sep 26, 2010 at 11:26 PM, Ray Strode <halfline at gmail.com> wrote:
>
>> Hi,
>>
>> > Is the debug logged saved somewhere ? Because with my setup copying it
>> from
>> > the console is going to be tedious...
>> Yes, should be in /var/log/plymouth-debug.log
>>
>> alternatively you can just cat /dev/vcs1
>>
>> --Ray
>>
>
>
>
> --
> Jérôme Martin
>



-- 
Jérôme Martin
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