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IPCGET_PUBLIC(9) Kernel IPC facilities IPCGET_PUBLIC(9)

NAME

ipcget_public - get an ipc object or create a new one

SYNOPSIS

int ipcget_public(struct ipc_namespace * ns, struct ipc_ids * ids, const struct ipc_ops * ops, struct ipc_params * params);

ARGUMENTS

ns
ipc namespace

ids

ipc identifier 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.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.