IPC_CHECK_PERMS(9) Kernel IPC facilities IPC_CHECK_PERMS(9)
NAME
ipc_check_perms - check security and permissions for an IPC
SYNOPSIS
int ipc_check_perms(struct ipc_namespace * ns, struct kern_ipc_perm * ipcp, struct ipc_ops * ops, struct ipc_params * params);
ARGUMENTS
ns
IPC namespace
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.rwsem and ipcp->lock held.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 IPC_CHECK_PERMS(9)
