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📄 ap_compat.h(1.05 KB)
📄 ap_config.h(9.5 KB)
📄 ap_config_auto.h(7.17 KB)
📄 ap_config_layout.h(2.7 KB)
📄 ap_listen.h(4.07 KB)
📄 ap_mmn.h(9.57 KB)
📄 ap_mpm.h(8.09 KB)
📄 ap_provider.h(3.01 KB)
📄 ap_regex.h(5.22 KB)
📄 ap_regkey.h(8.91 KB)
📄 ap_release.h(2.8 KB)
📄 apr.h(16.43 KB)
📄 apr_allocator.h(5.66 KB)
📄 apr_anylock.h(4.93 KB)
📄 apr_atomic.h(4.03 KB)
📄 apr_base64.h(3.75 KB)
📄 apr_buckets.h(61.99 KB)
📄 apr_crypto.h(16.51 KB)
📄 apr_date.h(3.47 KB)
📄 apr_dbd.h(23.53 KB)
📄 apr_dbm.h(8.4 KB)
📄 apr_dso.h(2.64 KB)
📄 apr_env.h(2.06 KB)
📄 apr_errno.h(52.78 KB)
📄 apr_file_info.h(17.23 KB)
📄 apr_file_io.h(39.12 KB)
📄 apr_fnmatch.h(5.88 KB)
📄 apr_general.h(7.07 KB)
📄 apr_getopt.h(5.84 KB)
📄 apr_global_mutex.h(6.15 KB)
📄 apr_hash.h(9.4 KB)
📄 apr_hooks.h(12.36 KB)
📄 apr_inherit.h(2.09 KB)
📄 apr_ldap.h(5.54 KB)
📄 apr_ldap_init.h(5.64 KB)
📄 apr_ldap_option.h(8.4 KB)
📄 apr_ldap_rebind.h(3.09 KB)
📄 apr_ldap_url.h(3.71 KB)
📄 apr_lib.h(8.23 KB)
📄 apr_md4.h(4.42 KB)
📄 apr_md5.h(6.2 KB)
📄 apr_memcache.h(16.82 KB)
📄 apr_mmap.h(5.01 KB)
📄 apr_network_io.h(32.49 KB)
📄 apr_optional.h(2.71 KB)
📄 apr_optional_hooks.h(3.78 KB)
📄 apr_poll.h(19.41 KB)
📄 apr_pools.h(30.62 KB)
📄 apr_portable.h(18.14 KB)
📄 apr_proc_mutex.h(5.86 KB)
📄 apr_queue.h(3.99 KB)
📄 apr_random.h(4.92 KB)
📄 apr_reslist.h(6.7 KB)
📄 apr_ring.h(18.57 KB)
📄 apr_rmm.h(4.67 KB)
📄 apr_sdbm.h(5.97 KB)
📄 apr_sha1.h(3.79 KB)
📄 apr_shm.h(5.32 KB)
📄 apr_signal.h(2.7 KB)
📄 apr_strings.h(14.1 KB)
📄 apr_strmatch.h(2.61 KB)
📄 apr_support.h(1.6 KB)
📄 apr_tables.h(17.95 KB)
📄 apr_thread_cond.h(5.4 KB)
📄 apr_thread_mutex.h(3.75 KB)
📄 apr_thread_pool.h(10.84 KB)
📄 apr_thread_proc.h(34.09 KB)
📄 apr_thread_rwlock.h(4.65 KB)
📄 apr_time.h(7.32 KB)
📄 apr_uri.h(6.43 KB)
📄 apr_user.h(5.18 KB)
📄 apr_uuid.h(2.05 KB)
📄 apr_version.h(5.28 KB)
📄 apr_want.h(2.89 KB)
📄 apr_xlate.h(6.26 KB)
📄 apr_xml.h(12.08 KB)
📄 apu.h(4.22 KB)
📄 apu_errno.h(5.32 KB)
📄 apu_version.h(4.03 KB)
📄 apu_want.h(1.45 KB)
📄 http_config.h(39.99 KB)
📄 http_connection.h(5.43 KB)
📄 http_core.h(22.76 KB)
📄 http_log.h(13.53 KB)
📄 http_main.h(2.52 KB)
📄 http_protocol.h(23.49 KB)
📄 http_request.h(13.72 KB)
📄 http_vhost.h(3.83 KB)
📄 httpd.h(67.37 KB)
📄 mod_auth.h(2.42 KB)
📄 mod_cgi.h(2.61 KB)
📄 mod_core.h(3.05 KB)
📄 mod_dav.h(87.75 KB)
📄 mod_dbd.h(3.63 KB)
📄 mod_include.h(3.84 KB)
📄 mod_log_config.h(2.43 KB)
📄 mod_proxy.h(33.14 KB)
📄 mod_rewrite.h(1.31 KB)
📄 mod_ssl.h(2.35 KB)
📄 mod_status.h(2.38 KB)
📄 mpm.h(1.99 KB)
📄 mpm_common.h(12.82 KB)
📄 mpm_default.h(2.13 KB)
📄 os.h(1.5 KB)
📄 scoreboard.h(8.17 KB)
📄 unixd.h(4.05 KB)
📄 util_cfgtree.h(2.95 KB)
📄 util_charset.h(1.65 KB)
📄 util_ebcdic.h(2.26 KB)
📄 util_filter.h(23.85 KB)
📄 util_ldap.h(14.9 KB)
📄 util_md5.h(2.35 KB)
📄 util_script.h(5.9 KB)
📄 util_time.h(3.06 KB)
📄 util_xml.h(1.37 KB)

Editing: apr_mmap.h

/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef APR_MMAP_H
#define APR_MMAP_H

/**
 * @file apr_mmap.h
 * @brief APR MMAP routines
 */

#include "apr.h"
#include "apr_pools.h"
#include "apr_errno.h"
#include "apr_ring.h"
#include "apr_file_io.h"        /* for apr_file_t */

#ifdef BEOS
#include <kernel/OS.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/**
 * @defgroup apr_mmap MMAP (Memory Map) Routines
 * @ingroup APR 
 * @{
 */

/** MMap opened for reading */
#define APR_MMAP_READ    1
/** MMap opened for writing */
#define APR_MMAP_WRITE   2

/** @see apr_mmap_t */
typedef struct apr_mmap_t            apr_mmap_t;

/**
 * @remark
 * As far as I can tell the only really sane way to store an MMAP is as a
 * void * and a length.  BeOS requires this area_id, but that's just a little
 * something extra.  I am exposing this type, because it doesn't make much
 * sense to keep it private, and opening it up makes some stuff easier in
 * Apache.
 */
/** The MMAP structure */
struct apr_mmap_t {
    /** The pool the mmap structure was allocated out of. */
    apr_pool_t *cntxt;
#ifdef BEOS
    /** An area ID.  Only valid on BeOS */
    area_id area;
#endif
#ifdef WIN32
    /** The handle of the file mapping */
    HANDLE mhandle;
    /** The start of the real memory page area (mapped view) */
    void *mv;
    /** The physical start, size and offset */
    apr_off_t  pstart;
    apr_size_t psize;
    apr_off_t  poffset;
#endif
    /** The start of the memory mapped area */
    void *mm;
    /** The amount of data in the mmap */
    apr_size_t size;
    /** ring of apr_mmap_t's that reference the same
     * mmap'ed region; acts in place of a reference count */
    APR_RING_ENTRY(apr_mmap_t) link;
};

#if APR_HAS_MMAP || defined(DOXYGEN)

/** @def APR_MMAP_THRESHOLD 
 * Files have to be at least this big before they're mmap()d.  This is to deal
 * with systems where the expense of doing an mmap() and an munmap() outweighs
 * the benefit for small files.  It shouldn't be set lower than 1.
 */
#ifdef MMAP_THRESHOLD
#  define APR_MMAP_THRESHOLD              MMAP_THRESHOLD
#else
#  ifdef SUNOS4
#    define APR_MMAP_THRESHOLD            (8*1024)
#  else
#    define APR_MMAP_THRESHOLD            1
#  endif /* SUNOS4 */
#endif /* MMAP_THRESHOLD */

/** @def APR_MMAP_LIMIT
 * Maximum size of MMap region
 */
#ifdef MMAP_LIMIT
#  define APR_MMAP_LIMIT                  MMAP_LIMIT
#else
#  define APR_MMAP_LIMIT                  (4*1024*1024)
#endif /* MMAP_LIMIT */

/** Can this file be MMaped */
#define APR_MMAP_CANDIDATE(filelength) \
    ((filelength >= APR_MMAP_THRESHOLD) && (filelength < APR_MMAP_LIMIT))

/*   Function definitions */

/** 
 * Create a new mmap'ed file out of an existing APR file.
 * @param newmmap The newly created mmap'ed file.
 * @param file The file turn into an mmap.
 * @param offset The offset into the file to start the data pointer at.
 * @param size The size of the file
 * @param flag bit-wise or of:
 * <PRE>
 *          APR_MMAP_READ       MMap opened for reading
 *          APR_MMAP_WRITE      MMap opened for writing
 * </PRE>
 * @param cntxt The pool to use when creating the mmap.
 */
APR_DECLARE(apr_status_t) apr_mmap_create(apr_mmap_t **newmmap, 
                                          apr_file_t *file, apr_off_t offset,
                                          apr_size_t size, apr_int32_t flag,
                                          apr_pool_t *cntxt);

/**
 * Duplicate the specified MMAP.
 * @param new_mmap The structure to duplicate into. 
 * @param old_mmap The mmap to duplicate.
 * @param p The pool to use for new_mmap.
 */         
APR_DECLARE(apr_status_t) apr_mmap_dup(apr_mmap_t **new_mmap,
                                       apr_mmap_t *old_mmap,
                                       apr_pool_t *p);

/**
 * Remove a mmap'ed.
 * @param mm The mmap'ed file.
 */
APR_DECLARE(apr_status_t) apr_mmap_delete(apr_mmap_t *mm);

/** 
 * Move the pointer into the mmap'ed file to the specified offset.
 * @param addr The pointer to the offset specified.
 * @param mm The mmap'ed file.
 * @param offset The offset to move to.
 */
APR_DECLARE(apr_status_t) apr_mmap_offset(void **addr, apr_mmap_t *mm, 
                                          apr_off_t offset);

#endif /* APR_HAS_MMAP */

/** @} */

#ifdef __cplusplus
}
#endif

#endif  /* ! APR_MMAP_H */

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Editing: apr_mmap.h

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