Mercurial > hg > nginx-quic
annotate src/core/ngx_alloc.c @ 52:9f2728644651
nginx-0.0.1-2003-01-24-19:09:40 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 24 Jan 2003 16:09:40 +0000 |
parents | 83fa61cd3d2f |
children | 5f6d848dcbef |
rev | line source |
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nginx-0.0.1-2002-08-06-20:39:45 import
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1 |
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2 #include <ngx_config.h> |
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3 |
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4 #include <ngx_errno.h> |
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5 #include <ngx_log.h> |
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6 #include <ngx_string.h> |
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7 #include <ngx_alloc.h> |
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8 |
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9 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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10 void *ngx_alloc(size_t size, ngx_log_t *log) |
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11 { |
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12 void *p; |
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13 |
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14 p = malloc(size); |
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15 if (p == NULL) { |
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nginx-0.0.1-2002-08-26-19:18:19 import
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16 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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17 "malloc() %d bytes failed", size); |
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18 } |
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20 #if (NGX_DEBUG_ALLOC) |
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21 ngx_log_debug(log, "malloc: %08x:%d" _ p _ size); |
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22 #endif |
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24 return p; |
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25 } |
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26 |
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27 void *ngx_calloc(size_t size, ngx_log_t *log) |
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28 { |
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29 void *p; |
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30 |
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31 p = ngx_alloc(size, log); |
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32 if (p) { |
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33 ngx_memzero(p, size); |
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34 } |
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35 |
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36 return p; |
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37 } |
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38 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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39 ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log) |
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40 { |
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41 ngx_pool_t *p; |
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42 |
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43 ngx_test_null(p, ngx_alloc(size, log), NULL); |
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44 |
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45 p->last = (char *) p + sizeof(ngx_pool_t); |
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46 p->end = (char *) p + size; |
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47 p->next = NULL; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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48 p->large = NULL; |
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49 p->log = log; |
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50 |
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51 return p; |
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52 } |
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53 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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54 void ngx_destroy_pool(ngx_pool_t *pool) |
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55 { |
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56 ngx_pool_t *p, *n; |
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57 ngx_pool_large_t *l; |
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58 |
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59 for (l = pool->large; l; l = l->next) { |
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60 #if (NGX_DEBUG_ALLOC) |
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61 ngx_log_debug(pool->log, "free: %08x" _ l->alloc); |
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62 #endif |
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63 free(l->alloc); |
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64 } |
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65 |
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66 for (p = pool, n = pool->next; /* void */; p = n, n = n->next) { |
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67 #if (NGX_DEBUG_ALLOC) |
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68 ngx_log_debug(pool->log, "free: %08x" _ p); |
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69 #endif |
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70 free(p); |
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71 |
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72 if (n == NULL) { |
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73 break; |
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74 } |
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75 } |
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76 } |
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77 |
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78 void *ngx_palloc(ngx_pool_t *pool, size_t size) |
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79 { |
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80 void *m; |
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81 ngx_pool_t *p, *n; |
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82 ngx_pool_large_t *large, *last; |
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83 |
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84 if (size <= NGX_MAX_ALLOC_FROM_POOL) { |
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85 |
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86 for (p = pool, n = pool->next; /* void */; p = n, n = n->next) { |
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87 if ((size_t) (p->end - ngx_align(p->last)) >= size) { |
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88 m = ngx_align(p->last); |
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89 p->last = ngx_align(p->last); |
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90 p->last += size ; |
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91 |
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92 return m; |
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93 } |
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94 |
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95 if (n == NULL) { |
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96 break; |
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97 } |
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98 } |
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99 |
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100 /* alloc new pool block */ |
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101 ngx_test_null(n, ngx_create_pool(p->end - (char *) p, p->log), NULL); |
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102 p->next = n; |
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103 m = n->last; |
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104 n->last += size; |
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105 return m; |
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106 |
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107 /* alloc large block */ |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
108 } else { |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
109 large = NULL; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 last = NULL; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 if (pool->large) { |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
113 for (last = pool->large; /* void */; last = last->next) { |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
114 if (last->alloc == NULL) { |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 large = last; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 last = NULL; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
117 break; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
118 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
120 if (last->next == NULL) { |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
121 break; |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
122 } |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
123 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
124 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
125 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
126 if (large == NULL) { |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 ngx_test_null(large, ngx_palloc(pool, sizeof(ngx_pool_large_t)), |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 NULL); |
10
4f3879d9b6f6
nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
129 large->next = NULL; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 ngx_test_null(p, ngx_alloc(size, pool->log), NULL); |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 if (pool->large == NULL) { |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
135 pool->large = large; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
136 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 } else if (last) { |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 last->next = large; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
140 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 large->alloc = p; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
142 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 return p; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 void *ngx_pcalloc(ngx_pool_t *pool, size_t size) |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 { |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
149 void *p; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
150 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 p = ngx_palloc(pool, size); |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
152 if (p) { |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 ngx_memzero(p, size); |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
154 } |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 return p; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
157 } |