value of timeout in interruptible_sleep_on_timeout(&usbdriver->writewait, timeout)

[cooldude]

i found this function in some code: interruptible_sleep_on_timeout(&usbdriver->writewait, timeout) i am trying to find out what the unit is for timeout in this particular function... looking for it on google is a big headache. any ideas??

[cooldude]

ok i found out its in jiffies... and apparantly jiffies are different for different OS? any idea what it might be in SuSE 9.3?

[techieMoe]

I had to look this one up.

http://www.kernelnewbies.org/glossary/#J
http://kerneltrap.org/node/2202
http://www.msg.ucsf.edu/local/progra...s/jiffies.html

Apparently a "jiffy" is about 10ms.

[cooldude]

do you think it is possible that the value of a jiffy in the 2.6 kernel could be different from what it is defined as in the 2.4?

[cooldude]

well you might be interested to know that in the 2.6 kernel a HZ is defined as 1000 jiffies as opposed to 100 in the 2.4 kernel just to make everyones lives a bit more complicated.

sorry about the double posting.