🚀 go-pugleaf

Guido Reina <guido.reina@tecnet-sports.com> wrote:
> Hola.
>     Me gustaria saber como se programa un demonio que se pueda lanzar desde
> un terminal, se quede residente, y se mantenga funcionando aunque se mate al
> terminal. Que se independice del terminal.
> Osea, como lo que hacen el apache, el samba, etc.

> Muchas Gracias.

De "man 4 tty":

TTY(4)              Linux Programmer's Manual              TTY(4)


NAME
       tty - controlling terminal

DESCRIPTION
       The  file /dev/tty is a character file with major number 5
       and minor number 0, usually of mode 0666  and  owner.group
       root.tty.  It is a synonym for the controlling terminal of
       a process, if any.

       In addition to  the  ioctl()  requests  supported  by  the
       device  that  tty refers to, the following ioctl() request
       is supported:

       TIOCNOTTY
              Detach the current  process  from  its  controlling
              terminal,  and  remove  it from its current process
              group, without attaching it to a new process  group
              (that  is, set its process group ID to zero).  This
              ioctl() call only works on  file  descriptors  con�
              nected  to  /dev/tty;  this  is used by daemon pro�
              cesses when they are invoked by a user at a  termi�
              nal.  The process attempts to open /dev/tty; if the
              open succeeds, it detaches itself from the terminal
              by  using TIOCNOTTY, while if the open fails, it is
              obviously not attached to a terminal and  does  not
              need to detach itself.

FILES
       /dev/tty

SEE ALSO
       mknod(1),   chown(1),  getty(1),  termios(2),  console(4),
       ttys(4)



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