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Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/include/apr_mmap.h')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/include/apr_mmap.h | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/include/apr_mmap.h b/rubbos/app/httpd-2.0.64/srclib/apr/include/apr_mmap.h deleted file mode 100644 index 3070acca..00000000 --- a/rubbos/app/httpd-2.0.64/srclib/apr/include/apr_mmap.h +++ /dev/null @@ -1,193 +0,0 @@ -/* 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; - /** @deprecated this field is no longer used and will be removed - * in APR 1.0 */ - int unused; - /** 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. - * @param transfer_ownership DEPRECATED: this param is now ignored - * and should be removed prior to APR 1.0 - */ -APR_DECLARE(apr_status_t) apr_mmap_dup(apr_mmap_t **new_mmap, - apr_mmap_t *old_mmap, - apr_pool_t *p, - int transfer_ownership); - -#if defined(DOXYGEN) -/** - * Transfer the specified MMAP to a different pool - * @param new_mmap The structure to duplicate into. - * @param old_mmap The file to transfer. - * @param p The pool to use for new_mmap. - * @deprecated Just use apr_mmap_dup(). The transfer_ownership flag will - * go away soon anyway. - */ -APR_DECLARE(apr_status_t) apr_mmap_setaside(apr_mmap_t **new_mmap, - apr_mmap_t *old_mmap, - apr_pool_t *p); -#else -#define apr_mmap_setaside(new_mmap, old_mmap, p) apr_mmap_dup(new_mmap, old_mmap, p, 1) -#endif /* DOXYGEN */ - -/** - * 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 */ |