Re: Ack!!! Modules!!!

[Bob McElrath <mcelrath draal physics wisc edu>]

On Mon, 2 Nov 1998, Keith Baker wrote:

> can anyone tell me if this works?
> 
> #define MODULE
> #include <linux/module.h>
> 
> int init_module(void) {printk("<1>Hello World\n"); return 0;}
> void cleanup_module(void) {printk("<1>Goodbye\n");}
> 
> Its from Oriellys book...  I am attempting to write a kernel module and
> this was their first example..  it just gives me unresolved symbols for
> printk...  Shouldn't this exist?  What am I doing :-(

printk is the kernel logging facility.  Calls to printk usually end up
routed to syslogd (klogd).  #include <linux/kernel.h> to fix the
compile-time warnings.

-- Bob

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