ipc_addid — add an ipc identifier
|struct ipc_ids * ids,|
|struct kern_ipc_perm * new,|
struct ipc_ids * ids
ipc identifier set
struct kern_ipc_perm * new
new ipc permission set
limit for the number of used ids
Add an entry 'new' to the ipc ids idr. The permissions object is initialised and the first free entry is set up and the id assigned is returned. The 'new' entry is returned in a locked state on success. On failure the entry is not locked and a negative err-code is returned.
Called with writer ipc_ids.rwsem held.