session.c revision 1.1
1/* $NetBSD: session.c,v 1.1 2022/01/22 07:53:06 pho Exp $ */ 2 3/* 4 * Copyright (c) 2021 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote 16 * products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 20 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 25 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33#if !defined(lint) 34__RCSID("$NetBSD: session.c,v 1.1 2022/01/22 07:53:06 pho Exp $"); 35#endif /* !lint */ 36 37#include <err.h> 38#include <fuse_internal.h> 39#include <puffs.h> 40 41/* The documentation for FUSE is not clear as to what "struct fuse_session" is, 42 * why it exists, or how it's different from "struct fuse". For now we leave it 43 * undefined (i.e. an incomplete type) and treat "struct fuse_session *" as 44 * being identical to "struct fuse *". */ 45 46struct fuse_session * 47fuse_get_session(struct fuse *f) { 48 return (struct fuse_session*)f; 49} 50 51int 52fuse_session_fd(struct fuse_session *se) { 53 struct fuse* fuse = (struct fuse*)se; 54 55 /* We don't want to expose this to users, but filesystems in the wild often 56 * wants to set FD_CLOEXEC on it. Hope they don't assume it's the real 57 * /dev/fuse, because it's actually /dev/puffs in our implementation. */ 58 return puffs_getselectable(fuse->pu); 59} 60 61int 62fuse_set_signal_handlers(struct fuse_session *se) { 63 return __fuse_set_signal_handlers((struct fuse*)se); 64} 65 66void 67fuse_remove_signal_handlers(struct fuse_session *se) { 68 if (__fuse_remove_signal_handlers((struct fuse*)se) == -1) 69 warn("%s: failed to remove signal handlers", __func__); 70} 71