clock.h

[Kathy Quinlan]

Dan Nelson wrote:

> In the last episode (Feb 28), Kathy Quinlan said:
> 
>>I have this:
>>
>>#include <machine/clock.h>
>>
>>In program I use this:
>>
>>DELAY(1000);
>>
>>I get this:
>>
>>undefined referance to 'DELAY'
>>
>>when I compile the program with GCC with flags -Wall -g -o com main.c
> 
> 
> DELAY is a kernel function.  In user processes, just use sleep() or
> nanosleep().  When you directly #include <machine/*> headers from
> userland, the only useable things are structure definitions and macro
> constants (and even then it's recommended that you use a userland
> interface instead).  You can't call any of the functions.
> 
Thanks, using sleep now, only need a second :)

Slowly learning programming in a real enviroment whene we do not have 
microsloth program to hold our hands (never had a VC++ ap able to do 
anything to a system, this program has already core dumped a few times)

Regards,

Kat.


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