atomic_add_unless(9) on Linux
The text 397c4e7e547d, as Debian 6.0 (Squeeze) shipped it. The page shows this text now.
add unless the number is already a given value
The text 397c4e7e547d, as Debian 6.0 (Squeeze) shipped it. The page shows this text now.
add unless the number is already a given value