Adding support for poll() in sysctl fs allows userspace to receive
notifications of changes in sysctl entries. This adds a infrastructure to
allow files in sysctl fs to be pollable and implements it for hostname and
domainname.
[[email protected]: s/declare/define/ for definitions]
Signed-off-by: Lucas De Marchi <[email protected]>
Cc: Greg KH <[email protected]>
Cc: Kay Sievers <[email protected]>
Cc: Al Viro <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Cc: Alexey Dobriyan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Some variables were being set but never used, which was triggering
warnings in GCC >= 4.6.
Signed-off-by: Lucas De Marchi <[email protected]>
Signed-off-by: Arnaud Lacombe <[email protected]>
Lucas De Marchi