On Wed, Jan 13, 2010 at 2:07 AM, Sebastian Spies
<sebastian.spies@de-cix.net> wrote:
[dd]
quoted text
> Could you
> please comment on the following code?
>
> int main(int argc, char** argv)
> {
>        kvm_t *kd;
>        struct kinfo_proc2 *info;
>        int cnt;
>
>        if(argc != 2)
>        {
>                printf("Please provide pid\n");
>                exit(1);
>        }
>
>
>        kd = kvm_open(NULL, NULL, NULL, KVM_NO_FILES, "error");
>        if(!kd)
>                exit(1);
>
>        if(cnt != 1)

Not related to what you are asking about, but, you are checking cnt
before it is set.


quoted text
>        {
>                printf("No process found\n");
>                exit(1);
>        }
>
>        info = kvm_getproc2(kd, KERN_PROC_PID, atoi(argv[1]),
> sizeof(struct kinfo_proc2), &cnt);
>
>        printf("%x\n",(double)info->p_cpticks);
>
>        exit(0);
> }