list_empty_careful
Name
list_empty_careful -- tests whether a list is
Synopsis
int list_empty_careful
(const struct list_head * head);
Description
empty _and_ checks that no other CPU might be
in the process of still modifying either member
NOTE
using list_empty_careful
without synchronization
can only be safe if the only activity that can happen
to the list entry is list_del_init
. Eg. it cannot be used
if another CPU could re-list_add
it.