On 12/08/07 13:57 +, Ming Liu wrote:
Dear all,
I am reading LDD(V3) chapter 6 on the topic of wait_event(queue, condition)
and wake_up(queue) functions. I am quite confused on the sayings. One is
Until condition evaluates to a true value, the process continues to
sleep, which looks
Dear Domen,
Thanks for your reply first.
I understand it this way:
- condition
Just checking the condition is one way (if you don't have a wake_up
source, like an interrupt), but that's not really what wait_event does.
It would be something like
while (condition) {
On 13/08/07 08:33 +, Ming Liu wrote:
Dear Domen,
Thanks for your reply first.
I understand it this way:
- condition
Just checking the condition is one way (if you don't have a wake_up
source, like an interrupt), but that's not really what wait_event does.
It would be something
On Monday 13 August 2007 11:22, Ming Liu wrote:
Dear Momen,
OK. I see now. So you mean condition is only to judge whether a sleeping
process could be waken up or not when wake_up() is executed in other
processes or interrupt handlers. What really wakes the process up is still
the function of
On 13/08/07 09:22 +, Ming Liu wrote:
Dear Momen,
OK. I see now. So you mean condition is only to judge whether a sleeping
process could be waken up or not when wake_up() is executed in other
processes or interrupt handlers. What really wakes the process up is still
the function of
Thank you so much for your explanation. Now I am quite clear on this topic.
Domen, Sorry for my misspelling of your name. That should be Domen not
Momen. Sorry for that. :)
BR
Ming
From: Domen Puncer [EMAIL PROTECTED]
To: Ming Liu [EMAIL PROTECTED]
CC: Linuxppc-embedded@ozlabs.org
Subject:
