Mercurial > hg > nginx-quic
annotate src/core/ngx_slab.h @ 4569:1db899642518
Upstream: reject upstreams without normal servers.
Such upstreams cause CPU hog later in the code as number of peers isn't
expected to be 0. Currently this may happen either if there are only backup
servers defined in an upstream block, or if server with ipv6 address used
in an upstream block.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 02 Apr 2012 21:29:35 +0000 |
parents | d620f497c50f |
children | 5024d29354f1 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #ifndef _NGX_SLAB_H_INCLUDED_ |
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9 #define _NGX_SLAB_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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15 |
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16 typedef struct ngx_slab_page_s ngx_slab_page_t; |
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18 struct ngx_slab_page_s { |
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19 uintptr_t slab; |
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20 ngx_slab_page_t *next; |
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21 uintptr_t prev; |
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22 }; |
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23 |
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24 |
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25 typedef struct { |
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26 ngx_shmtx_sh_t lock; |
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27 |
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28 size_t min_size; |
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29 size_t min_shift; |
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30 |
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31 ngx_slab_page_t *pages; |
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32 ngx_slab_page_t free; |
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33 |
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34 u_char *start; |
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35 u_char *end; |
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36 |
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37 ngx_shmtx_t mutex; |
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38 |
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39 u_char *log_ctx; |
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40 u_char zero; |
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41 |
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42 void *data; |
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43 void *addr; |
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44 } ngx_slab_pool_t; |
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45 |
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47 void ngx_slab_init(ngx_slab_pool_t *pool); |
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48 void *ngx_slab_alloc(ngx_slab_pool_t *pool, size_t size); |
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49 void *ngx_slab_alloc_locked(ngx_slab_pool_t *pool, size_t size); |
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50 void ngx_slab_free(ngx_slab_pool_t *pool, void *p); |
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51 void ngx_slab_free_locked(ngx_slab_pool_t *pool, void *p); |
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52 |
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53 |
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54 #endif /* _NGX_SLAB_H_INCLUDED_ */ |