ipc_get_maxid(9) centos man page | unix.com

IPC_GET_MAXID(9)					       Kernel IPC facilities						  IPC_GET_MAXID(9)

NAME
       ipc_get_maxid - get the last assigned id

SYNOPSIS
       int ipc_get_maxid(struct ipc_ids * ids);

ARGUMENTS
       ids
	   IPC identifier set

DESCRIPTION
       Called with ipc_ids.rwsem held.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							  IPC_GET_MAXID(9)