annotate src/core/ngx_slab.h @ 2945:87da6664fb49 stable-0.7

merge r2897, r2898, r2899, r2901, r2902, r2904, r2905, r2906, r2907, r2909, r2910, r2922, r2923, r2924, r2925, r2929: various win32 fixes: *) use no-threads for Unix builds only *) Win32 returns ERROR_PATH_NOT_FOUND instead of ERROR_FILE_NOT_FOUND *) add trailing zero to a file name in ngx_win32_rename_file() *) fix logging in ngx_win32_rename_file() *) allow shared memory segments more than 4G *) fix memory leak in successful case *) log shared memory name in failure case *) test that zone has the same addresses in different processes *) add drive letter for Win32 root path *) log GetExitCodeProcess()'s errno *) test premature process termination *) fix debug logging *) exit if no workers could not be started *) do not quit old workers if no new workers could not be started *) a signaller process should stop configuration processing just after it is able to get pid file, this allows to not open log files, etc. *) win32 master process had aready closed listening sockets
author Igor Sysoev <igor@sysoev.ru>
date Mon, 15 Jun 2009 09:48:15 +0000
parents b3b8c66bd520
children 3f6040cd731e 4919fb357a5d
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #ifndef _NGX_SLAB_H_INCLUDED_
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8 #define _NGX_SLAB_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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15 typedef struct ngx_slab_page_s ngx_slab_page_t;
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17 struct ngx_slab_page_s {
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18 uintptr_t slab;
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19 ngx_slab_page_t *next;
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20 uintptr_t prev;
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21 };
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24 typedef struct {
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25 ngx_atomic_t lock;
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26
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27 size_t min_size;
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28 size_t min_shift;
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29
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30 ngx_slab_page_t *pages;
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31 ngx_slab_page_t free;
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32
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33 u_char *start;
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34 u_char *end;
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35
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36 ngx_shmtx_t mutex;
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38 u_char *log_ctx;
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39 u_char zero;
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41 void *data;
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42 void *addr;
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43 } ngx_slab_pool_t;
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46 void ngx_slab_init(ngx_slab_pool_t *pool);
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47 void *ngx_slab_alloc(ngx_slab_pool_t *pool, size_t size);
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48 void *ngx_slab_alloc_locked(ngx_slab_pool_t *pool, size_t size);
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49 void ngx_slab_free(ngx_slab_pool_t *pool, void *p);
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50 void ngx_slab_free_locked(ngx_slab_pool_t *pool, void *p);
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53 #endif /* _NGX_SLAB_H_INCLUDED_ */