1 /* $NetBSD: tmpfs_fifoops.c,v 1.5 2005/12/11 12:24:29 christos Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause-NetBSD 5 * 6 * Copyright (c) 2005 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to The NetBSD Foundation 10 * by Julio M. Merino Vidal, developed as part of Google's Summer of Code 11 * 2005 program. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * tmpfs vnode interface for named pipes. 37 */ 38 #include <sys/cdefs.h> 39 __FBSDID("$FreeBSD$"); 40 41 #include <sys/param.h> 42 #include <sys/mount.h> 43 #include <sys/proc.h> 44 #include <sys/vnode.h> 45 46 #include <vm/vm.h> 47 #include <vm/vm_object.h> 48 49 #include <fs/tmpfs/tmpfs.h> 50 #include <fs/tmpfs/tmpfs_fifoops.h> 51 #include <fs/tmpfs/tmpfs_vnops.h> 52 53 static int 54 tmpfs_fifo_close(struct vop_close_args *v) 55 { 56 struct tmpfs_node *node; 57 58 node = VP_TO_TMPFS_NODE(v->a_vp); 59 tmpfs_set_status(VFS_TO_TMPFS(v->a_vp->v_mount), node, 60 TMPFS_NODE_ACCESSED); 61 tmpfs_update(v->a_vp); 62 return (fifo_specops.vop_close(v)); 63 } 64 65 /* 66 * vnode operations vector used for fifos stored in a tmpfs file system. 67 */ 68 struct vop_vector tmpfs_fifoop_entries = { 69 .vop_default = &fifo_specops, 70 .vop_close = tmpfs_fifo_close, 71 .vop_reclaim = tmpfs_reclaim, 72 .vop_access = tmpfs_access, 73 .vop_getattr = tmpfs_getattr, 74 .vop_setattr = tmpfs_setattr, 75 .vop_pathconf = tmpfs_pathconf, 76 .vop_print = tmpfs_print, 77 }; 78