timer_list for FreeBSD?

[M. Warner Losh]

In message: <20051124032041.CE1F31F50DE at ws1-2.us4.outblaze.com>
            "Yong Ma" <mayong at mail.com> writes:
: I tryed to make it with sleep(),but failed:
:  
:  ...
:  #include <unistd.h>
:  ...
:  sec=10; //wait for ten seconds
:  while(GetStatus() && sec-->0){
:     dosomething();
:     sleep(1);
:  }
:  ...
:  complied successfully and made the xxx.ko,but when kldload ./xxx.ko it told me can't load,I don't know why!

sleep(3) isn't available in the kernel.  You'll need to use tsleep(9) or
msleep(9) to accomplish the waiting.

Warner