On Wed, 1 Dec 2004 09:36:50 -0500, Prokopenko, Konstantyn <kproko@xxxxxxxxxxxx> wrote: > Yes, you can use schedule_timeout() if you don't need to wait on a condition > to change before timeout expires. > Now, I've got news.... > Schedule_timeout() internally calls kernel timer functions (init, add, > del_sync). Value "expire" for timer is calculated as > jiffies+requested_ticks. No check is done for wraps unless it is done within > timer functions that I really doubt. So either way we are not > protected :)... > > Konstantyn > Guys, *all* of you at kernelnewbies have my heartfelt thanks :-) I've learned more by reading kernelnewbies email in the last week than I have by poring through books. Many, many, many Thanks :-). Konstantyn, I just looked at the source code for schedule_timeout() for the 2.6.8.1 Kernel at http://lxr.linux.no/source/kernel/timer.c?v=2.6.8.1#L1103, and you're right, there isn't a check for (jiffies + timeout) being wrapped around. Thanks again! Karthik. -- There are things known and things unknown, in between lie the Doors -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
