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: head/lib/libc/gen/gen-private.h 268531 2014-07-11 16:16:26Z jhb $ 30 */ 31 32 #ifndef _GEN_PRIVATE_H_ 33 #define _GEN_PRIVATE_H_ 34 35 #include <sys/types.h> 36 37 struct __pthread_mutex_s; 38 39 /* 40 * Structure describing an open directory. 41 * 42 * NOTE. Change structure layout with care, at least dd_fd field has to 43 * remain unchanged to guarantee backward compatibility. 44 */ 45 struct _dirdesc { 46 int dd_fd; /* file descriptor associated with directory */ 47 long dd_loc; /* offset in current buffer */ 48 long dd_size; /* amount of data returned by getdirentries */ 49 char *dd_buf; /* data buffer */ 50 int dd_len; /* size of data buffer */ 51 long dd_lastseek; /* last seek index */ 52 long dd_rewind; /* magic cookie for rewinding */ 53 int dd_flags; /* flags for readdir */ 54 struct __pthread_mutex_s *dd_lock; /* lock */ 55 off_t dd_seek; /* new magic cookie returned by getdirentries */ 56 }; 57 58 #define _dirfd(dirp) ((dirp)->dd_fd) 59 60 #endif /* !_GEN_PRIVATE_H_ */ 61