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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 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.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		    IPC_CHECK_PERMS(9)

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