1 /*- 2 * Copyright (c) 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 * $FreeBSD$ 30 */ 31 32 #ifndef _GEN_PRIVATE_H_ 33 #define _GEN_PRIVATE_H_ 34 35 struct _telldir; /* see telldir.h */ 36 struct pthread_mutex; 37 38 /* 39 * Structure describing an open directory. 40 * 41 * NOTE. Change structure layout with care, at least dd_fd field has to 42 * remain unchanged to guarantee backward compatibility. 43 */ 44 struct _dirdesc { 45 int dd_fd; /* file descriptor associated with directory */ 46 long dd_loc; /* offset in current buffer */ 47 long dd_size; /* amount of data returned by getdirentries */ 48 char *dd_buf; /* data buffer */ 49 int dd_len; /* size of data buffer */ 50 long dd_seek; /* magic cookie returned by getdirentries */ 51 int dd_flags; /* flags for readdir */ 52 struct pthread_mutex *dd_lock; /* lock */ 53 struct _telldir *dd_td; /* telldir position recording */ 54 }; 55 56 #define _dirfd(dirp) ((dirp)->dd_fd) 57 58 #endif /* !_GEN_PRIVATE_H_ */ 59