Re: puting task to TASK_INTERRUPTIBLE before adding it to an wait queue

From: Andy Lutomirski
Date: Sat Mar 18 2006 - 01:22:40 EST


Mike Galbraith wrote:
On Fri, 2006-03-17 at 00:31 +0200, Yitzchak Eidus wrote:

the function worker_thread in kernel 2.6.15.6 first put the task to
TASK_INTERRUPTIBLE and only then add itself to an wait queue:
set_current_state(TASK_INTERRUPTIBLE);
while (!kthread_should_stop()) {
add_wait_queue(&cwq->more_work, &wait);


See dusty old archives...

Also, preempted tasks get rescheduled regardless of state:

http://www.cs.helsinki.fi/linux/linux-kernel/2003-15/0402.html

--Andy
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