Le 13/06/2016 08:16, Edward Bartolo a écrit :
Hi,
This is a question about implementing a minimal OS initiator. If
DNG's admins/mods deem this email is misplaced please delete it or
ignore it.
Till now, I implemented a little OS initiator that calls "/bin/bash"
and then enters an infinite while loop that does nothing. The loop's
purpose is to prevent PID 1 from exiting.
I would like to have my OS initiator:
a) initiate a terminal before launching it. /sbin/init launches six
such terminals tty1..tty6
b) prevent this terminal from closing
c) do some basic child process management
Here's something you could try:
mount -t proc proc /proc
mount -t sysfs sys /sys
mount -t devtmpfs dev /dev # or mount /dev as tmpfs and start
hotplugger (udev/eudev/vdev/mdev)
mount -t tmpfs run /run
mknod -m 0600 /dev/console c 5 1
mknod -m 0660 /dev/tty1 c 4 1
while ( true )
do
printf 'Entering interactive shell\n'
setsid /bin/sh -c 'exec bash </dev/tty1 >/dev/tty1 2>&1'
done;
Have fun.
Didier
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