Name
ipc_check_perms —
check security and permissions for an IPC
Synopsis
int ipc_check_perms ( | struct kern_ipc_perm * | ipcp, |
| | struct ipc_ops * | ops, |
| | struct ipc_params * | params); |
Arguments
ipcp
ipc permission set
ops
the actual security routine to call
params
its parameters
Description
This routine is called by sys_msgget, sys_semget and sys_shmget
when the key is not IPC_PRIVATE and that key already exists in the
ids IDR.
On success, the IPC id is returned.
It is called with ipc_ids.rw_mutex and ipcp->lock held.