mutex_is_locked(9) centos man page | unix.com

MUTEX_IS_LOCKED(9)						Mutex API reference						MUTEX_IS_LOCKED(9)

NAME
       mutex_is_locked - is the mutex locked

SYNOPSIS
       int mutex_is_locked(struct mutex * lock);

ARGUMENTS
       lock
	   the mutex to be queried

DESCRIPTION
       Returns 1 if the mutex is locked, 0 if unlocked.

AUTHOR
       Rusty Russell <rusty@rustcorp.com.au>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							MUTEX_IS_LOCKED(9)