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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)file.h 8.3 (Berkeley) 1/9/95 34 * $FreeBSD: src/sys/sys/file.h,v 1.22.2.7 2002/11/21 23:39:24 sam Exp $ 35 * $DragonFly: src/sys/sys/file2.h,v 1.8 2006/08/02 01:25:28 dillon Exp $ 36 */ 37 38 #ifndef _SYS_FILE2_H_ 39 #define _SYS_FILE2_H_ 40 41 #ifdef _KERNEL 42 43 #ifndef _SYS_FILE_H_ 44 #include <sys/file.h> 45 #endif 46 47 static __inline int 48 fo_read( 49 struct file *fp, 50 struct uio *uio, 51 struct ucred *cred, 52 int flags 53 ) { 54 int error; 55 56 fhold(fp); 57 error = (*fp->f_ops->fo_read)(fp, uio, cred, flags); 58 fdrop(fp); 59 return (error); 60 } 61 62 static __inline int 63 fo_write( 64 struct file *fp, 65 struct uio *uio, 66 struct ucred *cred, 67 int flags 68 ) { 69 int error; 70 71 fhold(fp); 72 error = (*fp->f_ops->fo_write)(fp, uio, cred, flags); 73 fdrop(fp); 74 return (error); 75 } 76 77 static __inline int 78 fo_ioctl( 79 struct file *fp, 80 u_long com, 81 caddr_t data, 82 struct ucred *cred, 83 struct sysmsg *msg 84 ) { 85 int error; 86 87 fhold(fp); 88 error = (*fp->f_ops->fo_ioctl)(fp, com, data, cred, msg); 89 fdrop(fp); 90 return (error); 91 } 92 93 static __inline int 94 fo_stat(struct file *fp, struct stat *sb, struct ucred *cred) 95 { 96 int error; 97 98 fhold(fp); 99 error = (*fp->f_ops->fo_stat)(fp, sb, cred); 100 fdrop(fp); 101 return (error); 102 } 103 104 static __inline int 105 fo_close(struct file *fp) 106 { 107 return ((*fp->f_ops->fo_close)(fp)); 108 } 109 110 static __inline int 111 fo_shutdown(struct file *fp, int how) 112 { 113 return ((*fp->f_ops->fo_shutdown)(fp, how)); 114 } 115 116 static __inline int 117 fo_kqfilter(struct file *fp, struct knote *kn) 118 { 119 return ((*fp->f_ops->fo_kqfilter)(fp, kn)); 120 } 121 122 #endif /* _KERNEL */ 123 124 #endif /* !SYS_FILE2_H */ 125 126