1 /* 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)file.h 8.3 (Berkeley) 1/9/95 30 * $FreeBSD: src/sys/sys/file.h,v 1.22.2.7 2002/11/21 23:39:24 sam Exp $ 31 * $DragonFly: src/sys/sys/file2.h,v 1.8 2006/08/02 01:25:28 dillon Exp $ 32 */ 33 34 #ifndef _SYS_FILE2_H_ 35 #define _SYS_FILE2_H_ 36 37 #ifdef _KERNEL 38 39 #ifndef _SYS_FILE_H_ 40 #include <sys/file.h> 41 #endif 42 43 static __inline int 44 fo_read( 45 struct file *fp, 46 struct uio *uio, 47 struct ucred *cred, 48 int flags 49 ) { 50 int error; 51 52 fhold(fp); 53 error = (*fp->f_ops->fo_read)(fp, uio, cred, flags); 54 fdrop(fp); 55 return (error); 56 } 57 58 static __inline int 59 fo_write( 60 struct file *fp, 61 struct uio *uio, 62 struct ucred *cred, 63 int flags 64 ) { 65 int error; 66 67 fhold(fp); 68 error = (*fp->f_ops->fo_write)(fp, uio, cred, flags); 69 fdrop(fp); 70 return (error); 71 } 72 73 static __inline int 74 fo_ioctl( 75 struct file *fp, 76 u_long com, 77 caddr_t data, 78 struct ucred *cred, 79 struct sysmsg *msg 80 ) { 81 int error; 82 83 fhold(fp); 84 error = (*fp->f_ops->fo_ioctl)(fp, com, data, cred, msg); 85 fdrop(fp); 86 return (error); 87 } 88 89 static __inline int 90 fo_stat(struct file *fp, struct stat *sb, struct ucred *cred) 91 { 92 int error; 93 94 fhold(fp); 95 error = (*fp->f_ops->fo_stat)(fp, sb, cred); 96 fdrop(fp); 97 return (error); 98 } 99 100 static __inline int 101 fo_close(struct file *fp) 102 { 103 return ((*fp->f_ops->fo_close)(fp)); 104 } 105 106 static __inline int 107 fo_shutdown(struct file *fp, int how) 108 { 109 return ((*fp->f_ops->fo_shutdown)(fp, how)); 110 } 111 112 static __inline int 113 fo_kqfilter(struct file *fp, struct knote *kn) 114 { 115 return ((*fp->f_ops->fo_kqfilter)(fp, kn)); 116 } 117 118 #endif /* _KERNEL */ 119 120 #endif /* !SYS_FILE2_H */ 121 122