Re: Redirecting output
From: Andrew Morton
Date: Wed Mar 23 2005 - 06:38:47 EST
"shafa.hidee" <shafa.hidee@xxxxxxxxx> wrote:
>
> I have created a dummy module for learning device driver in linux. I
> want to redirect the standard output of printk to my xterm. But by default
> it is redirected to tty.
>
> I have remote logged into the machine.
You can do this from within the module_init() handler only:
module_init_handler(...)
{
mm_segment_t old_fs;
....
old_fs = set_fs(KERNEL_DS);
sys_write(1, "foo\n", 4);
set_fs(old_fs);
...
}
The text comes out on modprobe's standard output.
Don't tell anyone I told you this.
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