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