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annotate src/os/win32/ngx_shmem.h @ 7670:ccb5ff87ab3e

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Cache: introduced min_free cache clearing. Clearing cache based on free space left on a file system is expected to allow better disk utilization in some cases, notably when disk space might be also used for something other than nginx cache (including nginx own temporary files) and while loading cache (when cache size might be inaccurate for a while, effectively disabling max_size cache clearing). Based on a patch by Adam Bambuch.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 22 Jun 2020 18:03:00 +0300
parents af7eba90645d
children
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #ifndef _NGX_SHMEM_H_INCLUDED_
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9 #define _NGX_SHMEM_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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16 typedef struct {
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17 u_char *addr;
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18 size_t size;
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19 ngx_str_t name;
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20 HANDLE handle;
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21 ngx_log_t *log;
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22 ngx_uint_t exists; /* unsigned exists:1; */
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23 } ngx_shm_t;
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26 ngx_int_t ngx_shm_alloc(ngx_shm_t *shm);
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27 ngx_int_t ngx_shm_remap(ngx_shm_t *shm, u_char *addr);
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28 void ngx_shm_free(ngx_shm_t *shm);
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30 extern ngx_uint_t ngx_allocation_granularity;
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33 #endif /* _NGX_SHMEM_H_INCLUDED_ */