1/* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef FILE_IO_H 18#define FILE_IO_H 19 20#include "apr.h" 21#include "apr_private.h" 22#include "apr_general.h" 23#include "apr_tables.h" 24#include "apr_file_io.h" 25#include "apr_file_info.h" 26#include "apr_errno.h" 27#include "apr_lib.h" 28#include "apr_thread_mutex.h" 29#ifndef WAITIO_USES_POLL 30#include "apr_poll.h" 31#endif 32 33/* System headers the file I/O library needs */ 34#if APR_HAVE_FCNTL_H 35#include <fcntl.h> 36#endif 37#if APR_HAVE_SYS_TYPES_H 38#include <sys/types.h> 39#endif 40#if APR_HAVE_ERRNO_H 41#include <errno.h> 42#endif 43#if APR_HAVE_STRING_H 44#include <string.h> 45#endif 46#if APR_HAVE_STRINGS_H 47#include <strings.h> 48#endif 49#if APR_HAVE_DIRENT_H 50#include <dirent.h> 51#endif 52#ifdef HAVE_SYS_STAT_H 53#include <sys/stat.h> 54#endif 55#if APR_HAVE_UNISTD_H 56#include <unistd.h> 57#endif 58#if APR_HAVE_STDIO_H 59#include <stdio.h> 60#endif 61#if APR_HAVE_STDLIB_H 62#include <stdlib.h> 63#endif 64#if APR_HAVE_SYS_UIO_H 65#include <sys/uio.h> 66#endif 67#if APR_HAVE_SYS_TIME_H 68#include <sys/time.h> 69#endif 70#ifdef BEOS 71#include <kernel/OS.h> 72#endif 73/* Hunting down DEV_BSIZE if not from dirent.h, sys/stat.h etc */ 74#ifdef HAVE_SYS_PARAM_H 75#include <sys/param.h> 76#endif 77 78#if BEOS_BONE 79# ifndef BONE7 80 /* prior to BONE/7 fd_set & select were defined in sys/socket.h */ 81# include <sys/socket.h> 82# else 83 /* Be moved the fd_set stuff and also the FIONBIO definition... */ 84# include <sys/ioctl.h> 85# endif 86#endif 87/* End System headers */ 88 89#define APR_FILE_DEFAULT_BUFSIZE 4096 90/* For backwards-compat */ 91#define APR_FILE_BUFSIZE APR_FILE_DEFAULT_BUFSIZE 92 93struct apr_file_t { 94 apr_pool_t *pool; 95 int filedes; 96 char *fname; 97 apr_int32_t flags; 98 int eof_hit; 99 int is_pipe; 100 apr_interval_time_t timeout; 101 int buffered; 102 enum {BLK_UNKNOWN, BLK_OFF, BLK_ON } blocking; 103 int ungetchar; /* Last char provided by an unget op. (-1 = no char)*/ 104#ifndef WAITIO_USES_POLL 105 /* if there is a timeout set, then this pollset is used */ 106 apr_pollset_t *pollset; 107#endif 108 /* Stuff for buffered mode */ 109 char *buffer; 110 apr_size_t bufpos; /* Read/Write position in buffer */ 111 apr_size_t bufsize; /* The size of the buffer */ 112 unsigned long dataRead; /* amount of valid data read into buffer */ 113 int direction; /* buffer being used for 0 = read, 1 = write */ 114 apr_off_t filePtr; /* position in file of handle */ 115#if APR_HAS_THREADS 116 struct apr_thread_mutex_t *thlock; 117#endif 118}; 119 120#if APR_HAS_THREADS 121#define file_lock(f) do { \ 122 if ((f)->thlock) \ 123 apr_thread_mutex_lock((f)->thlock); \ 124 } while (0) 125#define file_unlock(f) do { \ 126 if ((f)->thlock) \ 127 apr_thread_mutex_unlock((f)->thlock); \ 128 } while (0) 129#else 130#define file_lock(f) do {} while (0) 131#define file_unlock(f) do {} while (0) 132#endif 133 134#if APR_HAS_LARGE_FILES && defined(_LARGEFILE64_SOURCE) 135#define stat(f,b) stat64(f,b) 136#define lstat(f,b) lstat64(f,b) 137#define fstat(f,b) fstat64(f,b) 138#define lseek(f,o,w) lseek64(f,o,w) 139#define ftruncate(f,l) ftruncate64(f,l) 140typedef struct stat64 struct_stat; 141#else 142typedef struct stat struct_stat; 143#endif 144 145/* readdir64_r is only used in specific cases: */ 146#if APR_HAS_THREADS && defined(_POSIX_THREAD_SAFE_FUNCTIONS) \ 147 && !defined(READDIR_IS_THREAD_SAFE) && defined(HAVE_READDIR64_R) 148#define APR_USE_READDIR64_R 149#endif 150 151struct apr_dir_t { 152 apr_pool_t *pool; 153 char *dirname; 154 DIR *dirstruct; 155#ifdef APR_USE_READDIR64_R 156 struct dirent64 *entry; 157#else 158 struct dirent *entry; 159#endif 160}; 161 162apr_status_t apr_unix_file_cleanup(void *); 163apr_status_t apr_unix_child_file_cleanup(void *); 164 165mode_t apr_unix_perms2mode(apr_fileperms_t perms); 166apr_fileperms_t apr_unix_mode2perms(mode_t mode); 167 168apr_status_t apr_file_flush_locked(apr_file_t *thefile); 169apr_status_t apr_file_info_get_locked(apr_finfo_t *finfo, apr_int32_t wanted, 170 apr_file_t *thefile); 171 172 173#endif /* ! FILE_IO_H */ 174 175