YIELD_TO(9) Driver Basics YIELD_TO(9)NAMEyield_to - yield the current processor to another thread in your thread
group, or accelerate that thread toward the processor it´s on.
SYNOPSIS
bool __sched yield_to(struct task_struct * p, bool preempt);
ARGUMENTS
p
-- undescribed --
preempt
-- undescribed --
DESCRIPTION
It´s the caller´s job to ensure that the target task struct can´t go
away on us before we can do any checks.
RETURNS
true (>0) if we indeed boosted the target task. false (0) if we failed
to boost the target. -ESRCH if there´s no task to yield to.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 YIELD_TO(9)