NAME
futex_top_waiter - Return the highest priority waiter on a futex
SYNOPSIS
struct futex_q * futex_top_waiter(struct futex_hash_bucket * hb, union futex_key * key);
ARGUMENTS
hb
the hash bucket the futex_q's reside in
key
the futex key (to distinguish it from other futex futex_q's)
DESCRIPTION
Must be called with the hb lock held.
AUTHOR
Rusty Russell <[email protected]>
Author.