FUTEX_TOP_WAITER(9)                    Futex API reference                    FUTEX_TOP_WAITER(9)



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 <rusty AT rustcorp.au>
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                       FUTEX_TOP_WAITER(9)