centos man page for completion_done

COMPLETION_DONE(9)						   Driver Basics						COMPLETION_DONE(9)

NAME
       completion_done - Test to see if a completion has any waiters

SYNOPSIS
       bool completion_done(struct completion * x);

ARGUMENTS
       x
	   completion structure

RETURN
       0 if there are waiters (wait_for_completion in progress) 1 if there are no waiters.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							COMPLETION_DONE(9)