ipc_unlock         89 ipc/shm.c      	ipc_unlock(&(shp)->shm_perm)
ipc_unlock        431 ipc/util.c     		ipc_unlock(ipcp);
ipc_unlock        792 ipc/util.c     		ipc_unlock(ipc);
ipc_unlock        836 ipc/util.c     		ipc_unlock(ipc);