1. NAME▲

ipc_check_perms - check security and permissions for an IPC

2. SYNOPSIS ▲

int ipc_check_perms(struct ipc_namespace *  ns , struct kern_ipc_perm *  ipcp , struct ipc_ops *  ops , struct ipc_params *  params );

3. ARGUMENTS ▲

ns
    IPC namespace

ipcp
    ipc permission set

ops
    the actual security routine to call

params
    its parameters

4. 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.

5. COPYRIGHT ▲