Re: Redirecting output
From: Andrew Morton (akpm_at_osdl.org)
Date: 03/23/05
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Date: Wed, 23 Mar 2005 03:36:31 -0800 To: "shafa.hidee" <shafa.hidee@gmail.com>
"shafa.hidee" <shafa.hidee@gmail.com> 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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- Previous message: Herbert Xu: "Re: memory leak in net/sched/ipt.c?"
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