ipc_lock(9) [centos man page]

IPC_LOCK(9)						       Kernel IPC facilities						       IPC_LOCK(9)

NAME

       ipc_lock - Lock an ipc structure without rwsem held

SYNOPSIS

       struct kern_ipc_perm * ipc_lock(struct ipc_ids * ids, int id);

ARGUMENTS

       ids
	   IPC identifier set

       id
	   ipc id to look for

DESCRIPTION

       Look for an id in the ipc ids idr and lock the associated ipc object.

       The ipc object is locked on successful exit.

COPYRIGHT

Kernel Hackers Manual 3.10					     June 2014							       IPC_LOCK(9)