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71 lines
2.2 KiB
71 lines
2.2 KiB
4 months ago
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/*
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* libwebsockets - small server side websockets and web server implementation
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*
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* Copyright (C) 2010 - 2020 Andy Green <andy@warmcat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#if !defined(__LWS_PRIVATE_LIB_MISC_LWSAC_H__)
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#define __LWS_PRIVATE_LIB_MISC_LWSAC_H__
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#if !defined(LWS_PLAT_OPTEE)
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#include <sys/stat.h>
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#endif
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/* under page size of 4096 to allow overhead */
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#define LWSAC_CHUNK_SIZE 4000
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/*
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* the chunk list members all point back to the head themselves so the list
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* can be detached from the formal head and free itself when its reference
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* count reaches zero.
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*/
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/*
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* One of these per chunk
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*/
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struct lwsac {
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struct lwsac *next;
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struct lwsac *head; /* pointer back to the first chunk */
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size_t alloc_size; /* alloc size of the whole chunk */
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size_t ofs; /* next writeable position inside chunk */
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};
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/*
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* One of these per lwsac, at start of first chunk
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*/
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struct lwsac_head {
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struct lwsac *curr;
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size_t total_alloc_size;
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int refcount;
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int total_blocks;
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char detached; /* if our refcount gets to zero, free the chunk list */
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};
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#if !defined(LWS_PLAT_OPTEE)
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struct cached_file_info {
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struct stat s;
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time_t last_confirm;
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};
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#endif
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#endif
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