ABORT_EXCLUSIVE_WAIT(9) Driver Basics ABORT_EXCLUSIVE_WAIT(9)NAME
abort_exclusive_wait - abort exclusive waiting in a queue
void abort_exclusive_wait(wait_queue_head_t * q, wait_queue_t * wait,
unsigned int mode, void * key);
waitqueue waited on
runstate of the waiter to be woken
key to identify a wait bit queue or NULL
Sets current thread back to running state and removes the wait
descriptor from the given waitqueue if still queued.
Wakes up the next waiter if the caller is concurrently woken up through
This prevents waiter starvation where an exclusive waiter aborts and is
woken up concurrently and no one wakes up the next waiter.
COPYRIGHTKernel Hackers Manual 3.8. June 2014 ABORT_EXCLUSIVE_WAIT(9)