COMPLETE(9) Driver Basics COMPLETE(9)NAMEcomplete - signals a single thread waiting on this completion
void complete(struct completion * x);
holds the state of this particular completion
This will wake up a single thread waiting on this completion. Threads
will be awakened in the same order in which they were queued.
See also complete_all, wait_for_completion and related routines.
It may be assumed that this function implies a write memory barrier
before changing the task state if and only if any tasks are woken up.
COPYRIGHTKernel Hackers Manual 3.8. June 2014 COMPLETE(9)