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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10
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11
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160
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12 static ngx_int_t ngx_test_lockfile(u_char *file, ngx_log_t *log);
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154
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13 static void ngx_destroy_cycle_pools(ngx_conf_t *conf);
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28
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14 static ngx_int_t ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2);
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0
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15 static void ngx_clean_old_cycles(ngx_event_t *ev);
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16
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17
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18 volatile ngx_cycle_t *ngx_cycle;
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19 ngx_array_t ngx_old_cycles;
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20
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21 static ngx_pool_t *ngx_temp_pool;
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22 static ngx_event_t ngx_cleaner_event;
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23
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24 ngx_uint_t ngx_test_config;
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25
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26 #if (NGX_THREADS)
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27 ngx_tls_key_t ngx_core_tls_key;
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28 #endif
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29
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30
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31 /* STUB NAME */
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32 static ngx_connection_t dumb;
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33 /* STUB */
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34
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35 #ifdef NGX_ERROR_LOG_PATH
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36 static ngx_str_t error_log = ngx_string(NGX_ERROR_LOG_PATH);
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37 #else
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38 static ngx_str_t error_log = ngx_null_string;
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39 #endif
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40
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41
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112
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42 ngx_cycle_t *
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43 ngx_init_cycle(ngx_cycle_t *old_cycle)
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0
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44 {
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356
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45 void *rv;
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46 char **senv, **env;
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47 u_char *lock_file;
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48 ngx_uint_t i, n;
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49 ngx_log_t *log;
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410
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50 ngx_time_t *tp;
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356
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51 ngx_conf_t conf;
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52 ngx_pool_t *pool;
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53 ngx_cycle_t *cycle, **old;
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54 ngx_shm_zone_t *shm_zone, *oshm_zone;
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55 ngx_slab_pool_t *shpool;
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56 ngx_list_part_t *part, *opart;
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57 ngx_open_file_t *file;
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58 ngx_listening_t *ls, *nls;
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59 ngx_core_conf_t *ccf, *old_ccf;
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60 ngx_core_module_t *module;
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376
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61 char hostname[NGX_MAXHOSTNAMELEN];
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0
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62
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410
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63 ngx_timezone_update();
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64
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65 /* force localtime update with a new timezone */
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66
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67 tp = ngx_timeofday();
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68 tp->sec = 0;
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69
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70 ngx_time_update(0, 0);
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71
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72
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0
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73 log = old_cycle->log;
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74
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56
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75 pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
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50
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76 if (pool == NULL) {
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0
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77 return NULL;
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78 }
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79 pool->log = log;
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80
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50
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81 cycle = ngx_pcalloc(pool, sizeof(ngx_cycle_t));
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82 if (cycle == NULL) {
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0
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83 ngx_destroy_pool(pool);
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84 return NULL;
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85 }
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50
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86
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0
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87 cycle->pool = pool;
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88 cycle->log = log;
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89 cycle->old_cycle = old_cycle;
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90 cycle->root.len = sizeof(NGX_PREFIX) - 1;
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91 cycle->root.data = (u_char *) NGX_PREFIX;
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92
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93
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154
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94 cycle->conf_file.len = old_cycle->conf_file.len;
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382
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95 cycle->conf_file.data = ngx_pnalloc(pool, old_cycle->conf_file.len + 1);
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154
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96 if (cycle->conf_file.data == NULL) {
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97 ngx_destroy_pool(pool);
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98 return NULL;
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99 }
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100 ngx_cpystrn(cycle->conf_file.data, old_cycle->conf_file.data,
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101 old_cycle->conf_file.len + 1);
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102
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103
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384
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104 cycle->conf_param.len = old_cycle->conf_param.len;
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105 cycle->conf_param.data = ngx_pnalloc(pool, old_cycle->conf_param.len);
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106 if (cycle->conf_param.data == NULL) {
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107 ngx_destroy_pool(pool);
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108 return NULL;
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109 }
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110 ngx_memcpy(cycle->conf_param.data, old_cycle->conf_param.data,
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111 old_cycle->conf_param.len);
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112
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113
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0
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114 n = old_cycle->pathes.nelts ? old_cycle->pathes.nelts : 10;
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50
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115
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116 cycle->pathes.elts = ngx_pcalloc(pool, n * sizeof(ngx_path_t *));
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117 if (cycle->pathes.elts == NULL) {
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0
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118 ngx_destroy_pool(pool);
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119 return NULL;
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120 }
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50
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121
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0
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122 cycle->pathes.nelts = 0;
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123 cycle->pathes.size = sizeof(ngx_path_t *);
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124 cycle->pathes.nalloc = n;
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125 cycle->pathes.pool = pool;
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126
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127
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128 if (old_cycle->open_files.part.nelts) {
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129 n = old_cycle->open_files.part.nelts;
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130 for (part = old_cycle->open_files.part.next; part; part = part->next) {
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131 n += part->nelts;
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132 }
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133
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134 } else {
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135 n = 20;
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136 }
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137
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138 if (ngx_list_init(&cycle->open_files, pool, n, sizeof(ngx_open_file_t))
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463
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139 != NGX_OK)
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0
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140 {
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141 ngx_destroy_pool(pool);
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142 return NULL;
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143 }
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144
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145
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258
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146 if (old_cycle->shared_memory.part.nelts) {
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147 n = old_cycle->shared_memory.part.nelts;
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148 for (part = old_cycle->shared_memory.part.next; part; part = part->next)
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149 {
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150 n += part->nelts;
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151 }
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152
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153 } else {
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154 n = 1;
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155 }
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156
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157 if (ngx_list_init(&cycle->shared_memory, pool, n, sizeof(ngx_shm_zone_t))
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463
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158 != NGX_OK)
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258
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159 {
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160 ngx_destroy_pool(pool);
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161 return NULL;
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162 }
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163
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164
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50
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165 cycle->new_log = ngx_log_create_errlog(cycle, NULL);
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166 if (cycle->new_log == NULL) {
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0
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167 ngx_destroy_pool(pool);
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168 return NULL;
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169 }
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170
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171 cycle->new_log->file->name = error_log;
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172
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173
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174 n = old_cycle->listening.nelts ? old_cycle->listening.nelts : 10;
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50
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175
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0
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176 cycle->listening.elts = ngx_pcalloc(pool, n * sizeof(ngx_listening_t));
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177 if (cycle->listening.elts == NULL) {
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178 ngx_destroy_pool(pool);
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179 return NULL;
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180 }
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50
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181
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0
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182 cycle->listening.nelts = 0;
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183 cycle->listening.size = sizeof(ngx_listening_t);
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184 cycle->listening.nalloc = n;
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185 cycle->listening.pool = pool;
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186
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187
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188 cycle->conf_ctx = ngx_pcalloc(pool, ngx_max_module * sizeof(void *));
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189 if (cycle->conf_ctx == NULL) {
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190 ngx_destroy_pool(pool);
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191 return NULL;
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192 }
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193
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194
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376
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195 if (gethostname(hostname, NGX_MAXHOSTNAMELEN) == -1) {
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196 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "gethostname() failed");
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197 ngx_destroy_pool(pool);
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198 return NULL;
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199 }
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200
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201 /* on Linux gethostname() silently truncates name that does not fit */
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202
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203 hostname[NGX_MAXHOSTNAMELEN - 1] = '\0';
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204 cycle->hostname.len = ngx_strlen(hostname);
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205
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382
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206 cycle->hostname.data = ngx_pnalloc(pool, cycle->hostname.len);
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376
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207 if (cycle->hostname.data == NULL) {
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208 ngx_destroy_pool(pool);
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209 return NULL;
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210 }
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211
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212 ngx_memcpy(cycle->hostname.data, hostname, cycle->hostname.len);
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213
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214
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0
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215 for (i = 0; ngx_modules[i]; i++) {
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216 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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217 continue;
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218 }
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219
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220 module = ngx_modules[i]->ctx;
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221
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222 if (module->create_conf) {
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223 rv = module->create_conf(cycle);
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224 if (rv == NGX_CONF_ERROR) {
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225 ngx_destroy_pool(pool);
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226 return NULL;
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227 }
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228 cycle->conf_ctx[ngx_modules[i]->index] = rv;
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229 }
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230 }
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231
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232
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356
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233 senv = environ;
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234
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235
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0
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236 ngx_memzero(&conf, sizeof(ngx_conf_t));
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237 /* STUB: init array ? */
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50
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238 conf.args = ngx_array_create(pool, 10, sizeof(ngx_str_t));
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0
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239 if (conf.args == NULL) {
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240 ngx_destroy_pool(pool);
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241 return NULL;
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242 }
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243
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142
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244 conf.temp_pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
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245 if (conf.temp_pool == NULL) {
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246 ngx_destroy_pool(pool);
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247 return NULL;
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248 }
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249
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154
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250
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0
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251 conf.ctx = cycle->conf_ctx;
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252 conf.cycle = cycle;
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253 conf.pool = pool;
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254 conf.log = log;
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255 conf.module_type = NGX_CORE_MODULE;
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256 conf.cmd_type = NGX_MAIN_CONF;
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257
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4
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258 #if 0
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259 log->log_level = NGX_LOG_DEBUG_ALL;
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260 #endif
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0
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261
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384
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262 if (ngx_conf_param(&conf) != NGX_CONF_OK) {
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263 ngx_destroy_cycle_pools(&conf);
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264 return NULL;
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265 }
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266
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0
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267 if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) {
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154
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268 ngx_destroy_cycle_pools(&conf);
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0
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269 return NULL;
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270 }
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271
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272 if (ngx_test_config) {
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273 ngx_log_error(NGX_LOG_INFO, log, 0,
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274 "the configuration file %s syntax is ok",
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275 cycle->conf_file.data);
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276 }
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277
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278
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279 for (i = 0; ngx_modules[i]; i++) {
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280 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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281 continue;
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282 }
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283
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284 module = ngx_modules[i]->ctx;
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285
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286 if (module->init_conf) {
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287 if (module->init_conf(cycle, cycle->conf_ctx[ngx_modules[i]->index])
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142
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288 == NGX_CONF_ERROR)
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0
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289 {
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154
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290 ngx_destroy_cycle_pools(&conf);
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0
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291 return NULL;
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292 }
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293 }
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294 }
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295
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296
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160
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297 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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0
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298
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10
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299 #if !(NGX_WIN32)
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160
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300
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301 if (ngx_test_config) {
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302
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303 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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304 goto failed;
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305 }
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306
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307 } else if (!ngx_is_init_cycle(old_cycle)) {
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308
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309 /*
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310 * we do not create the pid file in the first ngx_init_cycle() call
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311 * because we need to write the demonized process pid
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312 */
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313
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314 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
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315 ngx_core_module);
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316 if (ccf->pid.len != old_ccf->pid.len
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317 || ngx_strcmp(ccf->pid.data, old_ccf->pid.data) != 0)
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318 {
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319 /* new pid file name */
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320
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321 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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322 goto failed;
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323 }
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324
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325 ngx_delete_pidfile(old_cycle);
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326 }
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0
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327 }
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160
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328
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0
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329 #endif
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330
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331
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258
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332 if (ngx_test_lockfile(cycle->lock_file.data, log) != NGX_OK) {
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160
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333 goto failed;
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334 }
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16
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335
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160
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336
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337 if (ngx_create_pathes(cycle, ccf->user) != NGX_OK) {
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338 goto failed;
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16
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339 }
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340
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341
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160
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342 /* open the new files */
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0
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343
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160
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344 part = &cycle->open_files.part;
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345 file = part->elts;
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0
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346
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160
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347 for (i = 0; /* void */ ; i++) {
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0
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348
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160
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349 if (i >= part->nelts) {
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350 if (part->next == NULL) {
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0
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351 break;
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352 }
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160
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353 part = part->next;
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354 file = part->elts;
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355 i = 0;
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356 }
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357
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358 if (file[i].name.data == NULL) {
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359 continue;
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360 }
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361
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479
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362 file[i].fd = ngx_open_file(file[i].name.data,
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363 NGX_FILE_APPEND,
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364 NGX_FILE_CREATE_OR_OPEN,
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276
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365 NGX_FILE_DEFAULT_ACCESS);
|
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160
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366
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367 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
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368 "log: %p %d \"%s\"",
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369 &file[i], file[i].fd, file[i].name.data);
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370
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371 if (file[i].fd == NGX_INVALID_FILE) {
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372 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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373 ngx_open_file_n " \"%s\" failed",
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374 file[i].name.data);
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375 goto failed;
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376 }
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0
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377
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487
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378 #if !(NGX_WIN32)
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160
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379 if (fcntl(file[i].fd, F_SETFD, FD_CLOEXEC) == -1) {
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380 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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381 "fcntl(FD_CLOEXEC) \"%s\" failed",
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382 file[i].name.data);
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383 goto failed;
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384 }
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0
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385 #endif
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386 }
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387
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388 cycle->log = cycle->new_log;
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389 pool->log = cycle->new_log;
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390
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449
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391 if (cycle->log->log_level == 0) {
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392 cycle->log->log_level = NGX_LOG_ERR;
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393 }
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394
|
|
10
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395
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258
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396 /* create shared memory */
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|
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397
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|
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398 part = &cycle->shared_memory.part;
|
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272
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399 shm_zone = part->elts;
|
|
258
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400
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|
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401 for (i = 0; /* void */ ; i++) {
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402
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|
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403 if (i >= part->nelts) {
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|
|
404 if (part->next == NULL) {
|
|
|
405 break;
|
|
|
406 }
|
|
|
407 part = part->next;
|
|
272
|
408 shm_zone = part->elts;
|
|
258
|
409 i = 0;
|
|
|
410 }
|
|
|
411
|
|
272
|
412 if (shm_zone[i].shm.size == 0) {
|
|
|
413 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
|
414 "zero size shared memory zone \"%V\"",
|
|
|
415 &shm_zone[i].name);
|
|
|
416 goto failed;
|
|
|
417 }
|
|
|
418
|
|
274
|
419 if (shm_zone[i].init == NULL) {
|
|
|
420 /* unused shared zone */
|
|
|
421 continue;
|
|
|
422 }
|
|
|
423
|
|
272
|
424 shm_zone[i].shm.log = cycle->log;
|
|
258
|
425
|
|
|
426 opart = &old_cycle->shared_memory.part;
|
|
272
|
427 oshm_zone = opart->elts;
|
|
258
|
428
|
|
|
429 for (n = 0; /* void */ ; n++) {
|
|
|
430
|
|
|
431 if (n >= opart->nelts) {
|
|
|
432 if (opart->next == NULL) {
|
|
|
433 break;
|
|
|
434 }
|
|
|
435 opart = opart->next;
|
|
272
|
436 oshm_zone = opart->elts;
|
|
258
|
437 n = 0;
|
|
|
438 }
|
|
|
439
|
|
272
|
440 if (shm_zone[i].name.len != oshm_zone[n].name.len) {
|
|
|
441 continue;
|
|
|
442 }
|
|
|
443
|
|
|
444 if (ngx_strncmp(shm_zone[i].name.data, oshm_zone[n].name.data,
|
|
|
445 shm_zone[i].name.len)
|
|
|
446 != 0)
|
|
|
447 {
|
|
258
|
448 continue;
|
|
|
449 }
|
|
|
450
|
|
272
|
451 if (shm_zone[i].shm.size == oshm_zone[n].shm.size) {
|
|
|
452 shm_zone[i].shm.addr = oshm_zone[n].shm.addr;
|
|
|
453
|
|
|
454 if (shm_zone[i].init(&shm_zone[i], oshm_zone[n].data)
|
|
|
455 != NGX_OK)
|
|
|
456 {
|
|
|
457 goto failed;
|
|
|
458 }
|
|
|
459
|
|
|
460 goto shm_zone_found;
|
|
258
|
461 }
|
|
|
462
|
|
272
|
463 ngx_shm_free(&oshm_zone[n].shm);
|
|
258
|
464
|
|
|
465 break;
|
|
|
466 }
|
|
|
467
|
|
272
|
468 if (ngx_shm_alloc(&shm_zone[i].shm) != NGX_OK) {
|
|
258
|
469 goto failed;
|
|
|
470 }
|
|
|
471
|
|
272
|
472 shpool = (ngx_slab_pool_t *) shm_zone[i].shm.addr;
|
|
258
|
473
|
|
272
|
474 shpool->end = shm_zone[i].shm.addr + shm_zone[i].shm.size;
|
|
258
|
475 shpool->min_shift = 3;
|
|
|
476
|
|
|
477 #if (NGX_HAVE_ATOMIC_OPS)
|
|
|
478
|
|
|
479 lock_file = NULL;
|
|
|
480
|
|
|
481 #else
|
|
|
482
|
|
382
|
483 lock_file = ngx_pnalloc(cycle->pool,
|
|
|
484 cycle->lock_file.len + shm_zone[i].name.len);
|
|
258
|
485
|
|
|
486 if (lock_file == NULL) {
|
|
|
487 goto failed;
|
|
|
488 }
|
|
|
489
|
|
|
490 (void) ngx_cpystrn(ngx_cpymem(lock_file, cycle->lock_file.data,
|
|
|
491 cycle->lock_file.len),
|
|
272
|
492 shm_zone[i].name.data, shm_zone[i].name.len + 1);
|
|
258
|
493
|
|
|
494 #endif
|
|
|
495
|
|
|
496 if (ngx_shmtx_create(&shpool->mutex, (void *) &shpool->lock, lock_file)
|
|
|
497 != NGX_OK)
|
|
|
498 {
|
|
|
499 goto failed;
|
|
|
500 }
|
|
|
501
|
|
|
502 ngx_slab_init(shpool);
|
|
|
503
|
|
272
|
504 if (shm_zone[i].init(&shm_zone[i], NULL) != NGX_OK) {
|
|
|
505 goto failed;
|
|
|
506 }
|
|
|
507
|
|
|
508 shm_zone_found:
|
|
258
|
509
|
|
|
510 continue;
|
|
|
511 }
|
|
|
512
|
|
|
513
|
|
160
|
514 /* handle the listening sockets */
|
|
10
|
515
|
|
160
|
516 if (old_cycle->listening.nelts) {
|
|
|
517 ls = old_cycle->listening.elts;
|
|
|
518 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
519 ls[i].remain = 0;
|
|
|
520 }
|
|
0
|
521
|
|
160
|
522 nls = cycle->listening.elts;
|
|
|
523 for (n = 0; n < cycle->listening.nelts; n++) {
|
|
10
|
524
|
|
160
|
525 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
526 if (ls[i].ignore) {
|
|
|
527 continue;
|
|
|
528 }
|
|
0
|
529
|
|
160
|
530 if (ngx_cmp_sockaddr(nls[n].sockaddr, ls[i].sockaddr) == NGX_OK)
|
|
|
531 {
|
|
|
532 nls[n].fd = ls[i].fd;
|
|
|
533 nls[n].previous = &ls[i];
|
|
|
534 ls[i].remain = 1;
|
|
72
|
535
|
|
160
|
536 if (ls[n].backlog != nls[i].backlog) {
|
|
|
537 nls[n].listen = 1;
|
|
|
538 }
|
|
86
|
539
|
|
72
|
540 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
541
|
|
160
|
542 /*
|
|
|
543 * FreeBSD, except the most recent versions,
|
|
|
544 * could not remove accept filter
|
|
|
545 */
|
|
|
546 nls[n].deferred_accept = ls[i].deferred_accept;
|
|
72
|
547
|
|
160
|
548 if (ls[i].accept_filter && nls[n].accept_filter) {
|
|
|
549 if (ngx_strcmp(ls[i].accept_filter,
|
|
|
550 nls[n].accept_filter)
|
|
|
551 != 0)
|
|
|
552 {
|
|
72
|
553 nls[n].delete_deferred = 1;
|
|
|
554 nls[n].add_deferred = 1;
|
|
|
555 }
|
|
160
|
556
|
|
|
557 } else if (ls[i].accept_filter) {
|
|
|
558 nls[n].delete_deferred = 1;
|
|
|
559
|
|
|
560 } else if (nls[n].accept_filter) {
|
|
|
561 nls[n].add_deferred = 1;
|
|
|
562 }
|
|
72
|
563 #endif
|
|
|
564
|
|
|
565 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
566
|
|
160
|
567 if (ls[n].deferred_accept && !nls[n].deferred_accept) {
|
|
|
568 nls[n].delete_deferred = 1;
|
|
72
|
569
|
|
160
|
570 } else if (ls[i].deferred_accept != nls[n].deferred_accept)
|
|
|
571 {
|
|
|
572 nls[n].add_deferred = 1;
|
|
|
573 }
|
|
72
|
574 #endif
|
|
160
|
575 break;
|
|
0
|
576 }
|
|
|
577 }
|
|
|
578
|
|
160
|
579 if (nls[n].fd == -1) {
|
|
|
580 nls[n].open = 1;
|
|
0
|
581 }
|
|
|
582 }
|
|
|
583
|
|
160
|
584 } else {
|
|
|
585 ls = cycle->listening.elts;
|
|
|
586 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
587 ls[i].open = 1;
|
|
|
588 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
589 if (ls[i].accept_filter) {
|
|
|
590 ls[i].add_deferred = 1;
|
|
0
|
591 }
|
|
160
|
592 #endif
|
|
|
593 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
594 if (ls[i].deferred_accept) {
|
|
|
595 ls[i].add_deferred = 1;
|
|
72
|
596 }
|
|
160
|
597 #endif
|
|
0
|
598 }
|
|
|
599 }
|
|
|
600
|
|
160
|
601 if (ngx_open_listening_sockets(cycle) != NGX_OK) {
|
|
|
602 goto failed;
|
|
|
603 }
|
|
0
|
604
|
|
160
|
605 if (!ngx_test_config) {
|
|
|
606 ngx_configure_listening_socket(cycle);
|
|
0
|
607 }
|
|
|
608
|
|
|
609
|
|
|
610 /* commit the new cycle configuration */
|
|
|
611
|
|
10
|
612 #if !(NGX_WIN32)
|
|
0
|
613
|
|
|
614 if (!ngx_test_config && cycle->log->file->fd != STDERR_FILENO) {
|
|
|
615
|
|
|
616 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
|
|
10
|
617 "dup2: %p %d \"%s\"",
|
|
0
|
618 cycle->log->file,
|
|
|
619 cycle->log->file->fd, cycle->log->file->name.data);
|
|
|
620
|
|
160
|
621 if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) {
|
|
0
|
622 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
623 "dup2(STDERR) failed");
|
|
|
624 /* fatal */
|
|
|
625 exit(1);
|
|
|
626 }
|
|
|
627 }
|
|
|
628
|
|
|
629 #endif
|
|
|
630
|
|
|
631 pool->log = cycle->log;
|
|
|
632
|
|
|
633 for (i = 0; ngx_modules[i]; i++) {
|
|
|
634 if (ngx_modules[i]->init_module) {
|
|
160
|
635 if (ngx_modules[i]->init_module(cycle) != NGX_OK) {
|
|
0
|
636 /* fatal */
|
|
|
637 exit(1);
|
|
|
638 }
|
|
|
639 }
|
|
|
640 }
|
|
|
641
|
|
16
|
642
|
|
0
|
643 /* close and delete stuff that lefts from an old cycle */
|
|
|
644
|
|
272
|
645 /* free the unnecessary shared memory */
|
|
|
646
|
|
|
647 opart = &old_cycle->shared_memory.part;
|
|
|
648 oshm_zone = opart->elts;
|
|
|
649
|
|
|
650 for (i = 0; /* void */ ; i++) {
|
|
|
651
|
|
|
652 if (i >= opart->nelts) {
|
|
|
653 if (opart->next == NULL) {
|
|
|
654 goto old_shm_zone_done;
|
|
|
655 }
|
|
|
656 opart = opart->next;
|
|
|
657 oshm_zone = opart->elts;
|
|
|
658 i = 0;
|
|
|
659 }
|
|
|
660
|
|
|
661 part = &cycle->shared_memory.part;
|
|
|
662 shm_zone = part->elts;
|
|
|
663
|
|
|
664 for (n = 0; /* void */ ; n++) {
|
|
|
665
|
|
|
666 if (n >= part->nelts) {
|
|
|
667 if (part->next == NULL) {
|
|
|
668 break;
|
|
|
669 }
|
|
|
670 part = part->next;
|
|
|
671 shm_zone = part->elts;
|
|
|
672 n = 0;
|
|
|
673 }
|
|
|
674
|
|
|
675 if (oshm_zone[i].name.len == shm_zone[n].name.len
|
|
|
676 && ngx_strncmp(oshm_zone[i].name.data,
|
|
|
677 shm_zone[n].name.data,
|
|
|
678 oshm_zone[i].name.len)
|
|
|
679 == 0)
|
|
|
680 {
|
|
|
681 goto live_shm_zone;
|
|
|
682 }
|
|
|
683 }
|
|
|
684
|
|
|
685 ngx_shm_free(&oshm_zone[i].shm);
|
|
|
686
|
|
|
687 live_shm_zone:
|
|
|
688
|
|
|
689 continue;
|
|
|
690 }
|
|
|
691
|
|
|
692 old_shm_zone_done:
|
|
|
693
|
|
|
694
|
|
|
695 /* close the unnecessary listening sockets */
|
|
0
|
696
|
|
|
697 ls = old_cycle->listening.elts;
|
|
|
698 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
699 if (ls[i].remain) {
|
|
|
700 continue;
|
|
|
701 }
|
|
|
702
|
|
|
703 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
704 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
92
|
705 ngx_close_socket_n " listening socket on %V failed",
|
|
10
|
706 &ls[i].addr_text);
|
|
0
|
707 }
|
|
|
708 }
|
|
|
709
|
|
|
710
|
|
272
|
711 /* close the unnecessary open files */
|
|
0
|
712
|
|
|
713 part = &old_cycle->open_files.part;
|
|
|
714 file = part->elts;
|
|
|
715
|
|
|
716 for (i = 0; /* void */ ; i++) {
|
|
|
717
|
|
|
718 if (i >= part->nelts) {
|
|
|
719 if (part->next == NULL) {
|
|
|
720 break;
|
|
|
721 }
|
|
|
722 part = part->next;
|
|
|
723 file = part->elts;
|
|
|
724 i = 0;
|
|
|
725 }
|
|
|
726
|
|
|
727 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr_fileno) {
|
|
|
728 continue;
|
|
|
729 }
|
|
|
730
|
|
|
731 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
732 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
733 ngx_close_file_n " \"%s\" failed",
|
|
|
734 file[i].name.data);
|
|
|
735 }
|
|
|
736 }
|
|
|
737
|
|
142
|
738 ngx_destroy_pool(conf.temp_pool);
|
|
|
739
|
|
154
|
740 if (ngx_process == NGX_PROCESS_MASTER || ngx_is_init_cycle(old_cycle)) {
|
|
|
741
|
|
356
|
742 /*
|
|
|
743 * perl_destruct() frees environ if it is not the same as it was at
|
|
|
744 * perl_construct() time. So we have saved an previous cycle
|
|
|
745 * environment before ngx_conf_parse() where it will be changed.
|
|
|
746 */
|
|
|
747
|
|
|
748 env = environ;
|
|
|
749 environ = senv;
|
|
|
750
|
|
0
|
751 ngx_destroy_pool(old_cycle->pool);
|
|
160
|
752 cycle->old_cycle = NULL;
|
|
|
753
|
|
356
|
754 environ = env;
|
|
|
755
|
|
0
|
756 return cycle;
|
|
|
757 }
|
|
|
758
|
|
|
759
|
|
|
760 if (ngx_temp_pool == NULL) {
|
|
|
761 ngx_temp_pool = ngx_create_pool(128, cycle->log);
|
|
|
762 if (ngx_temp_pool == NULL) {
|
|
|
763 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
764 "can not create ngx_temp_pool");
|
|
|
765 exit(1);
|
|
|
766 }
|
|
|
767
|
|
|
768 n = 10;
|
|
|
769 ngx_old_cycles.elts = ngx_pcalloc(ngx_temp_pool,
|
|
|
770 n * sizeof(ngx_cycle_t *));
|
|
|
771 if (ngx_old_cycles.elts == NULL) {
|
|
|
772 exit(1);
|
|
|
773 }
|
|
|
774 ngx_old_cycles.nelts = 0;
|
|
|
775 ngx_old_cycles.size = sizeof(ngx_cycle_t *);
|
|
|
776 ngx_old_cycles.nalloc = n;
|
|
|
777 ngx_old_cycles.pool = ngx_temp_pool;
|
|
|
778
|
|
58
|
779 ngx_cleaner_event.handler = ngx_clean_old_cycles;
|
|
0
|
780 ngx_cleaner_event.log = cycle->log;
|
|
|
781 ngx_cleaner_event.data = &dumb;
|
|
|
782 dumb.fd = (ngx_socket_t) -1;
|
|
|
783 }
|
|
|
784
|
|
|
785 ngx_temp_pool->log = cycle->log;
|
|
|
786
|
|
50
|
787 old = ngx_array_push(&ngx_old_cycles);
|
|
0
|
788 if (old == NULL) {
|
|
|
789 exit(1);
|
|
|
790 }
|
|
|
791 *old = old_cycle;
|
|
|
792
|
|
|
793 if (!ngx_cleaner_event.timer_set) {
|
|
|
794 ngx_add_timer(&ngx_cleaner_event, 30000);
|
|
|
795 ngx_cleaner_event.timer_set = 1;
|
|
|
796 }
|
|
|
797
|
|
|
798 return cycle;
|
|
160
|
799
|
|
|
800
|
|
|
801 failed:
|
|
|
802
|
|
296
|
803 if (!ngx_is_init_cycle(old_cycle)) {
|
|
|
804 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
|
|
|
805 ngx_core_module);
|
|
|
806 if (old_ccf->environment) {
|
|
|
807 environ = old_ccf->environment;
|
|
|
808 }
|
|
|
809 }
|
|
|
810
|
|
160
|
811 /* rollback the new cycle configuration */
|
|
|
812
|
|
|
813 part = &cycle->open_files.part;
|
|
|
814 file = part->elts;
|
|
|
815
|
|
|
816 for (i = 0; /* void */ ; i++) {
|
|
|
817
|
|
|
818 if (i >= part->nelts) {
|
|
|
819 if (part->next == NULL) {
|
|
|
820 break;
|
|
|
821 }
|
|
|
822 part = part->next;
|
|
|
823 file = part->elts;
|
|
|
824 i = 0;
|
|
|
825 }
|
|
|
826
|
|
|
827 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr_fileno) {
|
|
|
828 continue;
|
|
|
829 }
|
|
|
830
|
|
|
831 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
832 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
833 ngx_close_file_n " \"%s\" failed",
|
|
|
834 file[i].name.data);
|
|
|
835 }
|
|
|
836 }
|
|
|
837
|
|
|
838 if (ngx_test_config) {
|
|
|
839 ngx_destroy_cycle_pools(&conf);
|
|
|
840 return NULL;
|
|
|
841 }
|
|
|
842
|
|
|
843 ls = cycle->listening.elts;
|
|
|
844 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
845 if (ls[i].fd == -1 || !ls[i].open) {
|
|
|
846 continue;
|
|
|
847 }
|
|
|
848
|
|
|
849 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
850 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
|
851 ngx_close_socket_n " %V failed",
|
|
|
852 &ls[i].addr_text);
|
|
|
853 }
|
|
|
854 }
|
|
|
855
|
|
|
856 ngx_destroy_cycle_pools(&conf);
|
|
|
857
|
|
|
858 return NULL;
|
|
0
|
859 }
|
|
|
860
|
|
|
861
|
|
154
|
862 static void
|
|
|
863 ngx_destroy_cycle_pools(ngx_conf_t *conf)
|
|
|
864 {
|
|
|
865 ngx_destroy_pool(conf->temp_pool);
|
|
|
866 ngx_destroy_pool(conf->pool);
|
|
|
867 }
|
|
|
868
|
|
|
869
|
|
112
|
870 static ngx_int_t
|
|
|
871 ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2)
|
|
10
|
872 {
|
|
457
|
873 struct sockaddr_in *sin1, *sin2;
|
|
|
874 #if (NGX_HAVE_INET6)
|
|
|
875 struct sockaddr_in6 *sin61, *sin62;
|
|
|
876 #endif
|
|
10
|
877
|
|
457
|
878 if (sa1->sa_family != sa2->sa_family) {
|
|
10
|
879 return NGX_DECLINED;
|
|
|
880 }
|
|
|
881
|
|
457
|
882 switch (sa1->sa_family) {
|
|
|
883
|
|
|
884 #if (NGX_HAVE_INET6)
|
|
|
885 case AF_INET6:
|
|
|
886 sin61 = (struct sockaddr_in6 *) sa1;
|
|
|
887 sin62 = (struct sockaddr_in6 *) sa2;
|
|
|
888
|
|
|
889 if (sin61->sin6_port != sin61->sin6_port) {
|
|
|
890 return NGX_DECLINED;
|
|
|
891 }
|
|
|
892
|
|
|
893 if (ngx_memcmp(&sin61->sin6_addr, &sin62->sin6_addr, 16) != 0) {
|
|
|
894 return NGX_DECLINED;
|
|
|
895 }
|
|
10
|
896
|
|
457
|
897 break;
|
|
|
898 #endif
|
|
|
899
|
|
|
900 default: /* AF_INET */
|
|
|
901
|
|
|
902 sin1 = (struct sockaddr_in *) sa1;
|
|
|
903 sin2 = (struct sockaddr_in *) sa2;
|
|
10
|
904
|
|
457
|
905 if (sin1->sin_port != sin2->sin_port) {
|
|
|
906 return NGX_DECLINED;
|
|
|
907 }
|
|
|
908
|
|
|
909 if (sin1->sin_addr.s_addr != sin2->sin_addr.s_addr) {
|
|
|
910 return NGX_DECLINED;
|
|
|
911 }
|
|
|
912
|
|
|
913 break;
|
|
10
|
914 }
|
|
|
915
|
|
|
916 return NGX_OK;
|
|
|
917 }
|
|
|
918
|
|
|
919
|
|
|
920 #if !(NGX_WIN32)
|
|
0
|
921
|
|
112
|
922 ngx_int_t
|
|
160
|
923 ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log)
|
|
0
|
924 {
|
|
487
|
925 size_t len;
|
|
|
926 ngx_uint_t create;
|
|
|
927 ngx_file_t file;
|
|
|
928 u_char pid[NGX_INT64_LEN + 2];
|
|
0
|
929
|
|
|
930 ngx_memzero(&file, sizeof(ngx_file_t));
|
|
92
|
931
|
|
160
|
932 file.name = *name;
|
|
|
933 file.log = log;
|
|
0
|
934
|
|
487
|
935 create = ngx_test_config ? NGX_FILE_CREATE_OR_OPEN : NGX_FILE_TRUNCATE;
|
|
0
|
936
|
|
|
937 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR,
|
|
487
|
938 create, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
939
|
|
|
940 if (file.fd == NGX_INVALID_FILE) {
|
|
160
|
941 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
0
|
942 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
943 return NGX_ERROR;
|
|
|
944 }
|
|
|
945
|
|
|
946 if (!ngx_test_config) {
|
|
270
|
947 len = ngx_snprintf(pid, NGX_INT64_LEN + 2, "%P%N", ngx_pid) - pid;
|
|
10
|
948
|
|
0
|
949 if (ngx_write_file(&file, pid, len, 0) == NGX_ERROR) {
|
|
|
950 return NGX_ERROR;
|
|
|
951 }
|
|
|
952 }
|
|
|
953
|
|
|
954 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
160
|
955 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
0
|
956 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
957 }
|
|
|
958
|
|
|
959 return NGX_OK;
|
|
|
960 }
|
|
|
961
|
|
|
962
|
|
112
|
963 void
|
|
|
964 ngx_delete_pidfile(ngx_cycle_t *cycle)
|
|
126
|
965 {
|
|
0
|
966 u_char *name;
|
|
|
967 ngx_core_conf_t *ccf;
|
|
|
968
|
|
|
969 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
970
|
|
92
|
971 name = ngx_new_binary ? ccf->oldpid.data : ccf->pid.data;
|
|
0
|
972
|
|
|
973 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
|
|
|
974 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
975 ngx_delete_file_n " \"%s\" failed", name);
|
|
|
976 }
|
|
|
977 }
|
|
|
978
|
|
|
979 #endif
|
|
|
980
|
|
|
981
|
|
160
|
982 static ngx_int_t
|
|
|
983 ngx_test_lockfile(u_char *file, ngx_log_t *log)
|
|
|
984 {
|
|
|
985 #if !(NGX_HAVE_ATOMIC_OPS)
|
|
|
986 ngx_fd_t fd;
|
|
|
987
|
|
284
|
988 fd = ngx_open_file(file, NGX_FILE_RDWR, NGX_FILE_CREATE_OR_OPEN,
|
|
|
989 NGX_FILE_DEFAULT_ACCESS);
|
|
160
|
990
|
|
|
991 if (fd == NGX_INVALID_FILE) {
|
|
|
992 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
993 ngx_open_file_n " \"%s\" failed", file);
|
|
|
994 return NGX_ERROR;
|
|
|
995 }
|
|
|
996
|
|
|
997 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
998 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
999 ngx_close_file_n " \"%s\" failed", file);
|
|
|
1000 }
|
|
|
1001
|
|
|
1002 if (ngx_delete_file(file) == NGX_FILE_ERROR) {
|
|
|
1003 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
1004 ngx_delete_file_n " \"%s\" failed", file);
|
|
|
1005 }
|
|
|
1006
|
|
|
1007 #endif
|
|
|
1008
|
|
|
1009 return NGX_OK;
|
|
|
1010 }
|
|
|
1011
|
|
|
1012
|
|
112
|
1013 void
|
|
|
1014 ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user)
|
|
0
|
1015 {
|
|
427
|
1016 ssize_t n, len;
|
|
0
|
1017 ngx_fd_t fd;
|
|
|
1018 ngx_uint_t i;
|
|
|
1019 ngx_list_part_t *part;
|
|
|
1020 ngx_open_file_t *file;
|
|
|
1021
|
|
|
1022 part = &cycle->open_files.part;
|
|
|
1023 file = part->elts;
|
|
|
1024
|
|
|
1025 for (i = 0; /* void */ ; i++) {
|
|
|
1026
|
|
|
1027 if (i >= part->nelts) {
|
|
|
1028 if (part->next == NULL) {
|
|
|
1029 break;
|
|
|
1030 }
|
|
|
1031 part = part->next;
|
|
72
|
1032 file = part->elts;
|
|
0
|
1033 i = 0;
|
|
|
1034 }
|
|
|
1035
|
|
|
1036 if (file[i].name.data == NULL) {
|
|
|
1037 continue;
|
|
|
1038 }
|
|
|
1039
|
|
427
|
1040 len = file[i].pos - file[i].buffer;
|
|
|
1041
|
|
|
1042 if (file[i].buffer && len != 0) {
|
|
|
1043
|
|
|
1044 n = ngx_write_fd(file[i].fd, file[i].buffer, len);
|
|
|
1045
|
|
|
1046 if (n == NGX_FILE_ERROR) {
|
|
|
1047 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1048 ngx_write_fd_n " to \"%s\" failed",
|
|
|
1049 file[i].name.data);
|
|
|
1050
|
|
|
1051 } else if (n != len) {
|
|
|
1052 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
1053 ngx_write_fd_n " to \"%s\" was incomplete: %z of %uz",
|
|
|
1054 file[i].name.data, n, len);
|
|
|
1055 }
|
|
|
1056
|
|
120
|
1057 file[i].pos = file[i].buffer;
|
|
|
1058 }
|
|
|
1059
|
|
479
|
1060 fd = ngx_open_file(file[i].name.data, NGX_FILE_APPEND,
|
|
|
1061 NGX_FILE_CREATE_OR_OPEN, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
1062
|
|
|
1063 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
1064 "reopen file \"%s\", old:%d new:%d",
|
|
|
1065 file[i].name.data, file[i].fd, fd);
|
|
|
1066
|
|
|
1067 if (fd == NGX_INVALID_FILE) {
|
|
|
1068 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1069 ngx_open_file_n " \"%s\" failed", file[i].name.data);
|
|
|
1070 continue;
|
|
|
1071 }
|
|
|
1072
|
|
487
|
1073 #if !(NGX_WIN32)
|
|
66
|
1074 if (user != (ngx_uid_t) NGX_CONF_UNSET_UINT) {
|
|
356
|
1075 ngx_file_info_t fi;
|
|
2
|
1076
|
|
|
1077 if (ngx_file_info((const char *) file[i].name.data, &fi) == -1) {
|
|
|
1078 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1079 ngx_file_info_n " \"%s\" failed",
|
|
|
1080 file[i].name.data);
|
|
|
1081
|
|
|
1082 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1083 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1084 ngx_close_file_n " \"%s\" failed",
|
|
|
1085 file[i].name.data);
|
|
|
1086 }
|
|
|
1087 }
|
|
|
1088
|
|
16
|
1089 if (fi.st_uid != user) {
|
|
|
1090 if (chown((const char *) file[i].name.data, user, -1) == -1) {
|
|
|
1091 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1092 "chown(\"%s\", %d) failed",
|
|
|
1093 file[i].name.data, user);
|
|
|
1094
|
|
|
1095 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1096 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1097 ngx_close_file_n " \"%s\" failed",
|
|
|
1098 file[i].name.data);
|
|
|
1099 }
|
|
|
1100 }
|
|
|
1101 }
|
|
|
1102
|
|
2
|
1103 if ((fi.st_mode & (S_IRUSR|S_IWUSR)) != (S_IRUSR|S_IWUSR)) {
|
|
|
1104
|
|
|
1105 fi.st_mode |= (S_IRUSR|S_IWUSR);
|
|
|
1106
|
|
|
1107 if (chmod((const char *) file[i].name.data, fi.st_mode) == -1) {
|
|
|
1108 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
16
|
1109 "chmod() \"%s\" failed", file[i].name.data);
|
|
2
|
1110
|
|
|
1111 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1112 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1113 ngx_close_file_n " \"%s\" failed",
|
|
|
1114 file[i].name.data);
|
|
|
1115 }
|
|
|
1116 }
|
|
|
1117 }
|
|
0
|
1118 }
|
|
|
1119
|
|
|
1120 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
|
|
|
1121 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1122 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
1123 file[i].name.data);
|
|
|
1124
|
|
|
1125 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1126 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1127 ngx_close_file_n " \"%s\" failed",
|
|
|
1128 file[i].name.data);
|
|
|
1129 }
|
|
|
1130
|
|
|
1131 continue;
|
|
|
1132 }
|
|
|
1133 #endif
|
|
|
1134
|
|
|
1135 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
1136 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1137 ngx_close_file_n " \"%s\" failed",
|
|
|
1138 file[i].name.data);
|
|
|
1139 }
|
|
|
1140
|
|
|
1141 file[i].fd = fd;
|
|
|
1142 }
|
|
|
1143
|
|
10
|
1144 #if !(NGX_WIN32)
|
|
0
|
1145
|
|
|
1146 if (cycle->log->file->fd != STDERR_FILENO) {
|
|
|
1147 if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) {
|
|
|
1148 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1149 "dup2(STDERR) failed");
|
|
|
1150 }
|
|
|
1151 }
|
|
|
1152
|
|
|
1153 #endif
|
|
|
1154 }
|
|
|
1155
|
|
|
1156
|
|
272
|
1157 ngx_shm_zone_t *
|
|
|
1158 ngx_shared_memory_add(ngx_conf_t *cf, ngx_str_t *name, size_t size, void *tag)
|
|
|
1159 {
|
|
|
1160 ngx_uint_t i;
|
|
|
1161 ngx_shm_zone_t *shm_zone;
|
|
|
1162 ngx_list_part_t *part;
|
|
|
1163
|
|
|
1164 part = &cf->cycle->shared_memory.part;
|
|
|
1165 shm_zone = part->elts;
|
|
|
1166
|
|
|
1167 for (i = 0; /* void */ ; i++) {
|
|
|
1168
|
|
|
1169 if (i >= part->nelts) {
|
|
|
1170 if (part->next == NULL) {
|
|
|
1171 break;
|
|
|
1172 }
|
|
|
1173 part = part->next;
|
|
|
1174 shm_zone = part->elts;
|
|
|
1175 i = 0;
|
|
|
1176 }
|
|
|
1177
|
|
|
1178 if (name->len != shm_zone[i].name.len) {
|
|
|
1179 continue;
|
|
|
1180 }
|
|
|
1181
|
|
|
1182 if (ngx_strncmp(name->data, shm_zone[i].name.data, name->len) != 0) {
|
|
|
1183 continue;
|
|
|
1184 }
|
|
|
1185
|
|
|
1186 if (size && size != shm_zone[i].shm.size) {
|
|
|
1187 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1188 "the size %uz of shared memory zone \"%V\" "
|
|
|
1189 "conflicts with already declared size %uz",
|
|
|
1190 size, &shm_zone[i].name, shm_zone[i].shm.size);
|
|
|
1191 return NULL;
|
|
|
1192 }
|
|
|
1193
|
|
|
1194 if (tag != shm_zone[i].tag) {
|
|
|
1195 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1196 "the shared memory zone \"%V\" is "
|
|
|
1197 "already declared for a different use",
|
|
|
1198 &shm_zone[i].name);
|
|
|
1199 return NULL;
|
|
|
1200 }
|
|
|
1201
|
|
|
1202 return &shm_zone[i];
|
|
|
1203 }
|
|
|
1204
|
|
|
1205 shm_zone = ngx_list_push(&cf->cycle->shared_memory);
|
|
|
1206
|
|
|
1207 if (shm_zone == NULL) {
|
|
|
1208 return NULL;
|
|
|
1209 }
|
|
|
1210
|
|
|
1211 shm_zone->data = NULL;
|
|
|
1212 shm_zone->shm.log = cf->cycle->log;
|
|
|
1213 shm_zone->shm.size = size;
|
|
|
1214 shm_zone->init = NULL;
|
|
|
1215 shm_zone->name = *name;
|
|
|
1216 shm_zone->tag = tag;
|
|
|
1217
|
|
|
1218 return shm_zone;
|
|
|
1219 }
|
|
|
1220
|
|
|
1221
|
|
112
|
1222 static void
|
|
|
1223 ngx_clean_old_cycles(ngx_event_t *ev)
|
|
0
|
1224 {
|
|
|
1225 ngx_uint_t i, n, found, live;
|
|
|
1226 ngx_log_t *log;
|
|
|
1227 ngx_cycle_t **cycle;
|
|
|
1228
|
|
|
1229 log = ngx_cycle->log;
|
|
|
1230 ngx_temp_pool->log = log;
|
|
|
1231
|
|
|
1232 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycles");
|
|
|
1233
|
|
|
1234 live = 0;
|
|
|
1235
|
|
|
1236 cycle = ngx_old_cycles.elts;
|
|
|
1237 for (i = 0; i < ngx_old_cycles.nelts; i++) {
|
|
|
1238
|
|
|
1239 if (cycle[i] == NULL) {
|
|
|
1240 continue;
|
|
|
1241 }
|
|
|
1242
|
|
|
1243 found = 0;
|
|
|
1244
|
|
|
1245 for (n = 0; n < cycle[i]->connection_n; n++) {
|
|
110
|
1246 if (cycle[i]->connections[n].fd != (ngx_socket_t) -1) {
|
|
0
|
1247 found = 1;
|
|
|
1248
|
|
|
1249 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "live fd:%d", n);
|
|
|
1250
|
|
|
1251 break;
|
|
|
1252 }
|
|
|
1253 }
|
|
|
1254
|
|
|
1255 if (found) {
|
|
|
1256 live = 1;
|
|
|
1257 continue;
|
|
|
1258 }
|
|
|
1259
|
|
|
1260 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycle: %d", i);
|
|
|
1261
|
|
|
1262 ngx_destroy_pool(cycle[i]->pool);
|
|
|
1263 cycle[i] = NULL;
|
|
|
1264 }
|
|
|
1265
|
|
|
1266 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "old cycles status: %d", live);
|
|
|
1267
|
|
|
1268 if (live) {
|
|
|
1269 ngx_add_timer(ev, 30000);
|
|
|
1270
|
|
|
1271 } else {
|
|
|
1272 ngx_destroy_pool(ngx_temp_pool);
|
|
|
1273 ngx_temp_pool = NULL;
|
|
|
1274 ngx_old_cycles.nelts = 0;
|
|
|
1275 }
|
|
|
1276 }
|
