IPCGET_PUBLIC
NAME
ipcget_public − get an ipc object or create a new one
SYNOPSIS
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int ipcget_public(struct ipc_namespace * ns, struct ipc_ids * ids, struct ipc_ops * ops, struct ipc_params * params);
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ARGUMENTS
ns
namespace
ids
IPC identifer set
ops
the actual creation 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. It adds a new entry if the key is not found and does some permission / security checkings if the key is found.
On success, the ipc id is returned.
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