Mercurial > hg > nginx
annotate src/core/ngx_palloc.h @ 4159:718f2154b813 stable-1.0
Merging r3933, r4154:
A new fix for the case when ssl_session_cache defined, but ssl is not
enabled in any server. The previous r1033 does not help when unused zone
becomes used after reconfiguration, so it is backed out.
The initial thought was to make SSL modules independed from SSL implementation
and to keep OpenSSL code dependance as much as in separate files.
| author | Igor Sysoev <igor@sysoev.ru> |
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| date | Fri, 30 Sep 2011 13:36:33 +0000 |
| parents | d788521e4b0e |
| children | d620f497c50f |
| rev | line source |
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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_PALLOC_H_INCLUDED_ |
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8 #define _NGX_PALLOC_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 /* |
| 589 | 16 * NGX_MAX_ALLOC_FROM_POOL should be (ngx_pagesize - 1), i.e. 4095 on x86. |
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17 * On Windows NT it decreases a number of locked pages in a kernel. |
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18 */ |
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19 #define NGX_MAX_ALLOC_FROM_POOL (ngx_pagesize - 1) |
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20 |
| 1200 | 21 #define NGX_DEFAULT_POOL_SIZE (16 * 1024) |
| 3388 | 22 |
| 23 #define NGX_POOL_ALIGNMENT 16 | |
| 1200 | 24 #define NGX_MIN_POOL_SIZE \ |
| 3388 | 25 ngx_align((sizeof(ngx_pool_t) + 2 * sizeof(ngx_pool_large_t)), \ |
| 26 NGX_POOL_ALIGNMENT) | |
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| 509 | 29 typedef void (*ngx_pool_cleanup_pt)(void *data); |
| 30 | |
| 31 typedef struct ngx_pool_cleanup_s ngx_pool_cleanup_t; | |
| 32 | |
| 33 struct ngx_pool_cleanup_s { | |
| 34 ngx_pool_cleanup_pt handler; | |
| 35 void *data; | |
| 36 ngx_pool_cleanup_t *next; | |
| 37 }; | |
| 38 | |
| 39 | |
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40 typedef struct ngx_pool_large_s ngx_pool_large_t; |
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42 struct ngx_pool_large_s { |
| 509 | 43 ngx_pool_large_t *next; |
| 44 void *alloc; | |
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45 }; |
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47 |
| 2049 | 48 typedef struct { |
| 509 | 49 u_char *last; |
| 50 u_char *end; | |
| 2049 | 51 ngx_pool_t *next; |
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52 ngx_uint_t failed; |
| 2049 | 53 } ngx_pool_data_t; |
| 54 | |
| 55 | |
| 56 struct ngx_pool_s { | |
| 57 ngx_pool_data_t d; | |
| 58 size_t max; | |
| 581 | 59 ngx_pool_t *current; |
| 509 | 60 ngx_chain_t *chain; |
| 61 ngx_pool_large_t *large; | |
| 62 ngx_pool_cleanup_t *cleanup; | |
| 63 ngx_log_t *log; | |
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64 }; |
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66 |
| 509 | 67 typedef struct { |
| 68 ngx_fd_t fd; | |
| 69 u_char *name; | |
| 70 ngx_log_t *log; | |
| 71 } ngx_pool_cleanup_file_t; | |
| 72 | |
| 73 | |
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74 void *ngx_alloc(size_t size, ngx_log_t *log); |
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75 void *ngx_calloc(size_t size, ngx_log_t *log); |
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77 ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log); |
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78 void ngx_destroy_pool(ngx_pool_t *pool); |
| 2337 | 79 void ngx_reset_pool(ngx_pool_t *pool); |
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81 void *ngx_palloc(ngx_pool_t *pool, size_t size); |
| 2049 | 82 void *ngx_pnalloc(ngx_pool_t *pool, size_t size); |
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83 void *ngx_pcalloc(ngx_pool_t *pool, size_t size); |
| 2129 | 84 void *ngx_pmemalign(ngx_pool_t *pool, size_t size, size_t alignment); |
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85 ngx_int_t ngx_pfree(ngx_pool_t *pool, void *p); |
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| 563 | 88 ngx_pool_cleanup_t *ngx_pool_cleanup_add(ngx_pool_t *p, size_t size); |
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89 void ngx_pool_run_cleanup_file(ngx_pool_t *p, ngx_fd_t fd); |
| 509 | 90 void ngx_pool_cleanup_file(void *data); |
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91 void ngx_pool_delete_file(void *data); |
| 509 | 92 |
| 93 | |
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94 #endif /* _NGX_PALLOC_H_INCLUDED_ */ |