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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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154
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12 static void ngx_destroy_cycle_pools(ngx_conf_t *conf);
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28
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13 static ngx_int_t ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2);
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480
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14 static ngx_int_t ngx_init_zone_pool(ngx_cycle_t *cycle,
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15 ngx_shm_zone_t *shm_zone);
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16 static ngx_int_t ngx_test_lockfile(u_char *file, ngx_log_t *log);
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0
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17 static void ngx_clean_old_cycles(ngx_event_t *ev);
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18
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19
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20 volatile ngx_cycle_t *ngx_cycle;
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21 ngx_array_t ngx_old_cycles;
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22
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23 static ngx_pool_t *ngx_temp_pool;
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24 static ngx_event_t ngx_cleaner_event;
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25
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26 ngx_uint_t ngx_test_config;
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27
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28 #if (NGX_THREADS)
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29 ngx_tls_key_t ngx_core_tls_key;
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30 #endif
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31
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32
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33 /* STUB NAME */
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34 static ngx_connection_t dumb;
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35 /* STUB */
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36
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37 static ngx_str_t error_log = ngx_string(NGX_ERROR_LOG_PATH);
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38
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39
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112
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40 ngx_cycle_t *
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41 ngx_init_cycle(ngx_cycle_t *old_cycle)
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0
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42 {
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356
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43 void *rv;
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44 char **senv, **env;
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45 ngx_uint_t i, n;
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46 ngx_log_t *log;
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404
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47 ngx_time_t *tp;
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356
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48 ngx_conf_t conf;
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49 ngx_pool_t *pool;
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50 ngx_cycle_t *cycle, **old;
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51 ngx_shm_zone_t *shm_zone, *oshm_zone;
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52 ngx_list_part_t *part, *opart;
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53 ngx_open_file_t *file;
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54 ngx_listening_t *ls, *nls;
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55 ngx_core_conf_t *ccf, *old_ccf;
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56 ngx_core_module_t *module;
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376
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57 char hostname[NGX_MAXHOSTNAMELEN];
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0
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58
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404
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59 ngx_timezone_update();
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60
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61 /* force localtime update with a new timezone */
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62
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63 tp = ngx_timeofday();
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64 tp->sec = 0;
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65
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66 ngx_time_update(0, 0);
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67
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68
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0
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69 log = old_cycle->log;
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70
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56
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71 pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
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50
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72 if (pool == NULL) {
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0
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73 return NULL;
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74 }
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75 pool->log = log;
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76
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50
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77 cycle = ngx_pcalloc(pool, sizeof(ngx_cycle_t));
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78 if (cycle == NULL) {
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0
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79 ngx_destroy_pool(pool);
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80 return NULL;
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81 }
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50
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82
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0
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83 cycle->pool = pool;
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84 cycle->log = log;
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484
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85 cycle->new_log.log_level = NGX_LOG_ERR;
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0
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86 cycle->old_cycle = old_cycle;
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87
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482
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88 cycle->conf_prefix.len = old_cycle->conf_prefix.len;
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89 cycle->conf_prefix.data = ngx_pstrdup(pool, &old_cycle->conf_prefix);
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90 if (cycle->conf_prefix.data == NULL) {
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91 ngx_destroy_pool(pool);
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92 return NULL;
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93 }
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94
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95 cycle->prefix.len = old_cycle->prefix.len;
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96 cycle->prefix.data = ngx_pstrdup(pool, &old_cycle->prefix);
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97 if (cycle->prefix.data == NULL) {
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98 ngx_destroy_pool(pool);
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99 return NULL;
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100 }
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0
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101
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154
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102 cycle->conf_file.len = old_cycle->conf_file.len;
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382
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103 cycle->conf_file.data = ngx_pnalloc(pool, old_cycle->conf_file.len + 1);
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154
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104 if (cycle->conf_file.data == NULL) {
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105 ngx_destroy_pool(pool);
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106 return NULL;
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107 }
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108 ngx_cpystrn(cycle->conf_file.data, old_cycle->conf_file.data,
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109 old_cycle->conf_file.len + 1);
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110
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384
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111 cycle->conf_param.len = old_cycle->conf_param.len;
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482
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112 cycle->conf_param.data = ngx_pstrdup(pool, &old_cycle->conf_param);
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384
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113 if (cycle->conf_param.data == NULL) {
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114 ngx_destroy_pool(pool);
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115 return NULL;
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116 }
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117
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118
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0
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119 n = old_cycle->pathes.nelts ? old_cycle->pathes.nelts : 10;
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50
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120
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121 cycle->pathes.elts = ngx_pcalloc(pool, n * sizeof(ngx_path_t *));
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122 if (cycle->pathes.elts == NULL) {
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0
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123 ngx_destroy_pool(pool);
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124 return NULL;
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125 }
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50
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126
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0
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127 cycle->pathes.nelts = 0;
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128 cycle->pathes.size = sizeof(ngx_path_t *);
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129 cycle->pathes.nalloc = n;
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130 cycle->pathes.pool = pool;
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131
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132
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133 if (old_cycle->open_files.part.nelts) {
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134 n = old_cycle->open_files.part.nelts;
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135 for (part = old_cycle->open_files.part.next; part; part = part->next) {
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136 n += part->nelts;
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137 }
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138
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139 } else {
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140 n = 20;
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141 }
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142
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143 if (ngx_list_init(&cycle->open_files, pool, n, sizeof(ngx_open_file_t))
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454
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144 != NGX_OK)
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0
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145 {
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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
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258
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151 if (old_cycle->shared_memory.part.nelts) {
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152 n = old_cycle->shared_memory.part.nelts;
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153 for (part = old_cycle->shared_memory.part.next; part; part = part->next)
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154 {
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155 n += part->nelts;
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156 }
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157
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158 } else {
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159 n = 1;
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160 }
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161
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162 if (ngx_list_init(&cycle->shared_memory, pool, n, sizeof(ngx_shm_zone_t))
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454
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163 != NGX_OK)
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258
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164 {
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165 ngx_destroy_pool(pool);
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166 return NULL;
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167 }
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168
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0
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169 n = old_cycle->listening.nelts ? old_cycle->listening.nelts : 10;
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50
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170
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0
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171 cycle->listening.elts = ngx_pcalloc(pool, n * sizeof(ngx_listening_t));
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172 if (cycle->listening.elts == NULL) {
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173 ngx_destroy_pool(pool);
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174 return NULL;
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175 }
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50
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176
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0
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177 cycle->listening.nelts = 0;
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178 cycle->listening.size = sizeof(ngx_listening_t);
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179 cycle->listening.nalloc = n;
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180 cycle->listening.pool = pool;
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181
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182
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183 cycle->conf_ctx = ngx_pcalloc(pool, ngx_max_module * sizeof(void *));
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184 if (cycle->conf_ctx == NULL) {
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185 ngx_destroy_pool(pool);
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186 return NULL;
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187 }
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188
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189
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376
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190 if (gethostname(hostname, NGX_MAXHOSTNAMELEN) == -1) {
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191 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "gethostname() failed");
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192 ngx_destroy_pool(pool);
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193 return NULL;
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194 }
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195
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196 /* on Linux gethostname() silently truncates name that does not fit */
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197
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198 hostname[NGX_MAXHOSTNAMELEN - 1] = '\0';
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199 cycle->hostname.len = ngx_strlen(hostname);
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200
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382
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201 cycle->hostname.data = ngx_pnalloc(pool, cycle->hostname.len);
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376
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202 if (cycle->hostname.data == NULL) {
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203 ngx_destroy_pool(pool);
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204 return NULL;
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205 }
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206
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207 ngx_memcpy(cycle->hostname.data, hostname, cycle->hostname.len);
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208
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209
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0
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210 for (i = 0; ngx_modules[i]; i++) {
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211 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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212 continue;
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213 }
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214
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215 module = ngx_modules[i]->ctx;
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216
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217 if (module->create_conf) {
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218 rv = module->create_conf(cycle);
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496
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219 if (rv == NULL) {
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0
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220 ngx_destroy_pool(pool);
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221 return NULL;
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222 }
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223 cycle->conf_ctx[ngx_modules[i]->index] = rv;
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224 }
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225 }
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226
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227
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356
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228 senv = environ;
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229
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230
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0
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231 ngx_memzero(&conf, sizeof(ngx_conf_t));
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232 /* STUB: init array ? */
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50
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233 conf.args = ngx_array_create(pool, 10, sizeof(ngx_str_t));
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0
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234 if (conf.args == NULL) {
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235 ngx_destroy_pool(pool);
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236 return NULL;
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237 }
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238
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142
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239 conf.temp_pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
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240 if (conf.temp_pool == NULL) {
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241 ngx_destroy_pool(pool);
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242 return NULL;
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243 }
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244
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154
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245
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0
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246 conf.ctx = cycle->conf_ctx;
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247 conf.cycle = cycle;
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248 conf.pool = pool;
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249 conf.log = log;
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250 conf.module_type = NGX_CORE_MODULE;
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251 conf.cmd_type = NGX_MAIN_CONF;
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252
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4
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253 #if 0
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254 log->log_level = NGX_LOG_DEBUG_ALL;
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255 #endif
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0
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256
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384
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257 if (ngx_conf_param(&conf) != NGX_CONF_OK) {
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258 ngx_destroy_cycle_pools(&conf);
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259 return NULL;
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260 }
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261
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0
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262 if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) {
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154
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263 ngx_destroy_cycle_pools(&conf);
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0
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264 return NULL;
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265 }
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266
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267 if (ngx_test_config) {
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482
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268 ngx_log_stderr(0, "the configuration file %s syntax is ok",
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480
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269 cycle->conf_file.data);
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0
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270 }
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271
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272 for (i = 0; ngx_modules[i]; i++) {
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273 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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274 continue;
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275 }
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276
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277 module = ngx_modules[i]->ctx;
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278
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279 if (module->init_conf) {
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280 if (module->init_conf(cycle, cycle->conf_ctx[ngx_modules[i]->index])
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142
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281 == NGX_CONF_ERROR)
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0
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282 {
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154
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283 ngx_destroy_cycle_pools(&conf);
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0
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284 return NULL;
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285 }
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286 }
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287 }
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288
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498
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289 if (ngx_process == NGX_PROCESS_SIGNALLER) {
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290 return cycle;
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291 }
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0
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292
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160
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293 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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0
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294
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160
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295 if (ngx_test_config) {
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296
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297 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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298 goto failed;
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299 }
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300
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301 } else if (!ngx_is_init_cycle(old_cycle)) {
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302
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303 /*
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304 * we do not create the pid file in the first ngx_init_cycle() call
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305 * because we need to write the demonized process pid
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306 */
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307
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308 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
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309 ngx_core_module);
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310 if (ccf->pid.len != old_ccf->pid.len
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311 || ngx_strcmp(ccf->pid.data, old_ccf->pid.data) != 0)
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312 {
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313 /* new pid file name */
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314
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315 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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316 goto failed;
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317 }
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318
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319 ngx_delete_pidfile(old_cycle);
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320 }
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0
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321 }
|
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160
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322
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0
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323
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258
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324 if (ngx_test_lockfile(cycle->lock_file.data, log) != NGX_OK) {
|
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160
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325 goto failed;
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326 }
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16
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327
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160
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328
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329 if (ngx_create_pathes(cycle, ccf->user) != NGX_OK) {
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330 goto failed;
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16
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331 }
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332
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333
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484
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334 if (cycle->new_log.file == NULL) {
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335 cycle->new_log.file = ngx_conf_open_file(cycle, &error_log);
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336 if (cycle->new_log.file == NULL) {
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337 goto failed;
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338 }
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339 }
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340
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160
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341 /* open the new files */
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0
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342
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160
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343 part = &cycle->open_files.part;
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344 file = part->elts;
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0
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345
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160
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346 for (i = 0; /* void */ ; i++) {
|
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0
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347
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160
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348 if (i >= part->nelts) {
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349 if (part->next == NULL) {
|
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0
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350 break;
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351 }
|
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160
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352 part = part->next;
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353 file = part->elts;
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354 i = 0;
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355 }
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356
|
|
482
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357 if (file[i].name.len == 0) {
|
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160
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358 continue;
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|
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359 }
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360
|
|
470
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361 file[i].fd = ngx_open_file(file[i].name.data,
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362 NGX_FILE_APPEND,
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363 NGX_FILE_CREATE_OR_OPEN,
|
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276
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364 NGX_FILE_DEFAULT_ACCESS);
|
|
160
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365
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|
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366 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
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367 "log: %p %d \"%s\"",
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368 &file[i], file[i].fd, file[i].name.data);
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369
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|
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370 if (file[i].fd == NGX_INVALID_FILE) {
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371 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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372 ngx_open_file_n " \"%s\" failed",
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373 file[i].name.data);
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374 goto failed;
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375 }
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0
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376
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|
478
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377 #if !(NGX_WIN32)
|
|
160
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378 if (fcntl(file[i].fd, F_SETFD, FD_CLOEXEC) == -1) {
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379 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
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380 "fcntl(FD_CLOEXEC) \"%s\" failed",
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|
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381 file[i].name.data);
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|
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382 goto failed;
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|
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383 }
|
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0
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384 #endif
|
|
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385 }
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386
|
|
484
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387 cycle->log = &cycle->new_log;
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|
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388 pool->log = &cycle->new_log;
|
|
440
|
389
|
|
10
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390
|
|
258
|
391 /* create shared memory */
|
|
|
392
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|
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393 part = &cycle->shared_memory.part;
|
|
272
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394 shm_zone = part->elts;
|
|
258
|
395
|
|
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396 for (i = 0; /* void */ ; i++) {
|
|
|
397
|
|
|
398 if (i >= part->nelts) {
|
|
|
399 if (part->next == NULL) {
|
|
|
400 break;
|
|
|
401 }
|
|
|
402 part = part->next;
|
|
272
|
403 shm_zone = part->elts;
|
|
258
|
404 i = 0;
|
|
|
405 }
|
|
|
406
|
|
272
|
407 if (shm_zone[i].shm.size == 0) {
|
|
|
408 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
|
409 "zero size shared memory zone \"%V\"",
|
|
480
|
410 &shm_zone[i].shm.name);
|
|
272
|
411 goto failed;
|
|
|
412 }
|
|
|
413
|
|
274
|
414 if (shm_zone[i].init == NULL) {
|
|
|
415 /* unused shared zone */
|
|
|
416 continue;
|
|
|
417 }
|
|
|
418
|
|
272
|
419 shm_zone[i].shm.log = cycle->log;
|
|
258
|
420
|
|
|
421 opart = &old_cycle->shared_memory.part;
|
|
272
|
422 oshm_zone = opart->elts;
|
|
258
|
423
|
|
|
424 for (n = 0; /* void */ ; n++) {
|
|
|
425
|
|
|
426 if (n >= opart->nelts) {
|
|
|
427 if (opart->next == NULL) {
|
|
|
428 break;
|
|
|
429 }
|
|
|
430 opart = opart->next;
|
|
272
|
431 oshm_zone = opart->elts;
|
|
258
|
432 n = 0;
|
|
|
433 }
|
|
|
434
|
|
480
|
435 if (shm_zone[i].shm.name.len != oshm_zone[n].shm.name.len) {
|
|
272
|
436 continue;
|
|
|
437 }
|
|
|
438
|
|
480
|
439 if (ngx_strncmp(shm_zone[i].shm.name.data,
|
|
|
440 oshm_zone[n].shm.name.data,
|
|
|
441 shm_zone[i].shm.name.len)
|
|
272
|
442 != 0)
|
|
|
443 {
|
|
258
|
444 continue;
|
|
|
445 }
|
|
|
446
|
|
272
|
447 if (shm_zone[i].shm.size == oshm_zone[n].shm.size) {
|
|
|
448 shm_zone[i].shm.addr = oshm_zone[n].shm.addr;
|
|
|
449
|
|
|
450 if (shm_zone[i].init(&shm_zone[i], oshm_zone[n].data)
|
|
|
451 != NGX_OK)
|
|
|
452 {
|
|
|
453 goto failed;
|
|
|
454 }
|
|
|
455
|
|
|
456 goto shm_zone_found;
|
|
258
|
457 }
|
|
|
458
|
|
272
|
459 ngx_shm_free(&oshm_zone[n].shm);
|
|
258
|
460
|
|
|
461 break;
|
|
|
462 }
|
|
|
463
|
|
272
|
464 if (ngx_shm_alloc(&shm_zone[i].shm) != NGX_OK) {
|
|
258
|
465 goto failed;
|
|
|
466 }
|
|
|
467
|
|
496
|
468 if (ngx_init_zone_pool(cycle, &shm_zone[i]) != NGX_OK) {
|
|
|
469 goto failed;
|
|
258
|
470 }
|
|
|
471
|
|
272
|
472 if (shm_zone[i].init(&shm_zone[i], NULL) != NGX_OK) {
|
|
|
473 goto failed;
|
|
|
474 }
|
|
|
475
|
|
|
476 shm_zone_found:
|
|
258
|
477
|
|
|
478 continue;
|
|
|
479 }
|
|
|
480
|
|
|
481
|
|
160
|
482 /* handle the listening sockets */
|
|
10
|
483
|
|
160
|
484 if (old_cycle->listening.nelts) {
|
|
|
485 ls = old_cycle->listening.elts;
|
|
|
486 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
487 ls[i].remain = 0;
|
|
|
488 }
|
|
0
|
489
|
|
160
|
490 nls = cycle->listening.elts;
|
|
|
491 for (n = 0; n < cycle->listening.nelts; n++) {
|
|
10
|
492
|
|
160
|
493 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
494 if (ls[i].ignore) {
|
|
|
495 continue;
|
|
|
496 }
|
|
0
|
497
|
|
160
|
498 if (ngx_cmp_sockaddr(nls[n].sockaddr, ls[i].sockaddr) == NGX_OK)
|
|
|
499 {
|
|
|
500 nls[n].fd = ls[i].fd;
|
|
|
501 nls[n].previous = &ls[i];
|
|
|
502 ls[i].remain = 1;
|
|
72
|
503
|
|
160
|
504 if (ls[n].backlog != nls[i].backlog) {
|
|
|
505 nls[n].listen = 1;
|
|
|
506 }
|
|
86
|
507
|
|
72
|
508 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
509
|
|
160
|
510 /*
|
|
|
511 * FreeBSD, except the most recent versions,
|
|
|
512 * could not remove accept filter
|
|
|
513 */
|
|
|
514 nls[n].deferred_accept = ls[i].deferred_accept;
|
|
72
|
515
|
|
160
|
516 if (ls[i].accept_filter && nls[n].accept_filter) {
|
|
|
517 if (ngx_strcmp(ls[i].accept_filter,
|
|
|
518 nls[n].accept_filter)
|
|
|
519 != 0)
|
|
|
520 {
|
|
72
|
521 nls[n].delete_deferred = 1;
|
|
|
522 nls[n].add_deferred = 1;
|
|
|
523 }
|
|
160
|
524
|
|
|
525 } else if (ls[i].accept_filter) {
|
|
|
526 nls[n].delete_deferred = 1;
|
|
|
527
|
|
|
528 } else if (nls[n].accept_filter) {
|
|
|
529 nls[n].add_deferred = 1;
|
|
|
530 }
|
|
72
|
531 #endif
|
|
|
532
|
|
|
533 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
534
|
|
160
|
535 if (ls[n].deferred_accept && !nls[n].deferred_accept) {
|
|
|
536 nls[n].delete_deferred = 1;
|
|
72
|
537
|
|
160
|
538 } else if (ls[i].deferred_accept != nls[n].deferred_accept)
|
|
|
539 {
|
|
|
540 nls[n].add_deferred = 1;
|
|
|
541 }
|
|
72
|
542 #endif
|
|
160
|
543 break;
|
|
0
|
544 }
|
|
|
545 }
|
|
|
546
|
|
160
|
547 if (nls[n].fd == -1) {
|
|
|
548 nls[n].open = 1;
|
|
0
|
549 }
|
|
|
550 }
|
|
|
551
|
|
160
|
552 } else {
|
|
|
553 ls = cycle->listening.elts;
|
|
|
554 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
555 ls[i].open = 1;
|
|
|
556 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
557 if (ls[i].accept_filter) {
|
|
|
558 ls[i].add_deferred = 1;
|
|
0
|
559 }
|
|
160
|
560 #endif
|
|
|
561 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
562 if (ls[i].deferred_accept) {
|
|
|
563 ls[i].add_deferred = 1;
|
|
72
|
564 }
|
|
160
|
565 #endif
|
|
0
|
566 }
|
|
|
567 }
|
|
|
568
|
|
498
|
569 if (ngx_open_listening_sockets(cycle) != NGX_OK) {
|
|
|
570 goto failed;
|
|
|
571 }
|
|
0
|
572
|
|
498
|
573 if (!ngx_test_config) {
|
|
|
574 ngx_configure_listening_sockets(cycle);
|
|
0
|
575 }
|
|
|
576
|
|
|
577
|
|
|
578 /* commit the new cycle configuration */
|
|
|
579
|
|
482
|
580 if (!ngx_use_stderr && cycle->log->file->fd != ngx_stderr) {
|
|
0
|
581
|
|
482
|
582 if (ngx_set_stderr(cycle->log->file->fd) == NGX_FILE_ERROR) {
|
|
|
583 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
584 ngx_set_stderr_n " failed");
|
|
0
|
585 }
|
|
|
586 }
|
|
|
587
|
|
|
588 pool->log = cycle->log;
|
|
|
589
|
|
|
590 for (i = 0; ngx_modules[i]; i++) {
|
|
|
591 if (ngx_modules[i]->init_module) {
|
|
160
|
592 if (ngx_modules[i]->init_module(cycle) != NGX_OK) {
|
|
0
|
593 /* fatal */
|
|
|
594 exit(1);
|
|
|
595 }
|
|
|
596 }
|
|
|
597 }
|
|
|
598
|
|
16
|
599
|
|
0
|
600 /* close and delete stuff that lefts from an old cycle */
|
|
|
601
|
|
272
|
602 /* free the unnecessary shared memory */
|
|
|
603
|
|
|
604 opart = &old_cycle->shared_memory.part;
|
|
|
605 oshm_zone = opart->elts;
|
|
|
606
|
|
|
607 for (i = 0; /* void */ ; i++) {
|
|
|
608
|
|
|
609 if (i >= opart->nelts) {
|
|
|
610 if (opart->next == NULL) {
|
|
|
611 goto old_shm_zone_done;
|
|
|
612 }
|
|
|
613 opart = opart->next;
|
|
|
614 oshm_zone = opart->elts;
|
|
|
615 i = 0;
|
|
|
616 }
|
|
|
617
|
|
|
618 part = &cycle->shared_memory.part;
|
|
|
619 shm_zone = part->elts;
|
|
|
620
|
|
|
621 for (n = 0; /* void */ ; n++) {
|
|
|
622
|
|
|
623 if (n >= part->nelts) {
|
|
|
624 if (part->next == NULL) {
|
|
|
625 break;
|
|
|
626 }
|
|
|
627 part = part->next;
|
|
|
628 shm_zone = part->elts;
|
|
|
629 n = 0;
|
|
|
630 }
|
|
|
631
|
|
480
|
632 if (oshm_zone[i].shm.name.len == shm_zone[n].shm.name.len
|
|
|
633 && ngx_strncmp(oshm_zone[i].shm.name.data,
|
|
|
634 shm_zone[n].shm.name.data,
|
|
|
635 oshm_zone[i].shm.name.len)
|
|
272
|
636 == 0)
|
|
|
637 {
|
|
|
638 goto live_shm_zone;
|
|
|
639 }
|
|
|
640 }
|
|
|
641
|
|
|
642 ngx_shm_free(&oshm_zone[i].shm);
|
|
|
643
|
|
|
644 live_shm_zone:
|
|
|
645
|
|
|
646 continue;
|
|
|
647 }
|
|
|
648
|
|
|
649 old_shm_zone_done:
|
|
|
650
|
|
|
651
|
|
|
652 /* close the unnecessary listening sockets */
|
|
0
|
653
|
|
|
654 ls = old_cycle->listening.elts;
|
|
|
655 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
498
|
656
|
|
|
657 if (ls[i].remain || ls[i].fd == -1) {
|
|
0
|
658 continue;
|
|
|
659 }
|
|
|
660
|
|
|
661 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
662 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
92
|
663 ngx_close_socket_n " listening socket on %V failed",
|
|
10
|
664 &ls[i].addr_text);
|
|
0
|
665 }
|
|
|
666 }
|
|
|
667
|
|
|
668
|
|
272
|
669 /* close the unnecessary open files */
|
|
0
|
670
|
|
|
671 part = &old_cycle->open_files.part;
|
|
|
672 file = part->elts;
|
|
|
673
|
|
|
674 for (i = 0; /* void */ ; i++) {
|
|
|
675
|
|
|
676 if (i >= part->nelts) {
|
|
|
677 if (part->next == NULL) {
|
|
|
678 break;
|
|
|
679 }
|
|
|
680 part = part->next;
|
|
|
681 file = part->elts;
|
|
|
682 i = 0;
|
|
|
683 }
|
|
|
684
|
|
482
|
685 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr) {
|
|
0
|
686 continue;
|
|
|
687 }
|
|
|
688
|
|
|
689 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
690 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
691 ngx_close_file_n " \"%s\" failed",
|
|
|
692 file[i].name.data);
|
|
|
693 }
|
|
|
694 }
|
|
|
695
|
|
142
|
696 ngx_destroy_pool(conf.temp_pool);
|
|
|
697
|
|
154
|
698 if (ngx_process == NGX_PROCESS_MASTER || ngx_is_init_cycle(old_cycle)) {
|
|
|
699
|
|
356
|
700 /*
|
|
|
701 * perl_destruct() frees environ if it is not the same as it was at
|
|
|
702 * perl_construct() time. So we have saved an previous cycle
|
|
|
703 * environment before ngx_conf_parse() where it will be changed.
|
|
|
704 */
|
|
|
705
|
|
|
706 env = environ;
|
|
|
707 environ = senv;
|
|
|
708
|
|
0
|
709 ngx_destroy_pool(old_cycle->pool);
|
|
160
|
710 cycle->old_cycle = NULL;
|
|
|
711
|
|
356
|
712 environ = env;
|
|
|
713
|
|
0
|
714 return cycle;
|
|
|
715 }
|
|
|
716
|
|
|
717
|
|
|
718 if (ngx_temp_pool == NULL) {
|
|
|
719 ngx_temp_pool = ngx_create_pool(128, cycle->log);
|
|
|
720 if (ngx_temp_pool == NULL) {
|
|
|
721 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
722 "can not create ngx_temp_pool");
|
|
|
723 exit(1);
|
|
|
724 }
|
|
|
725
|
|
|
726 n = 10;
|
|
|
727 ngx_old_cycles.elts = ngx_pcalloc(ngx_temp_pool,
|
|
|
728 n * sizeof(ngx_cycle_t *));
|
|
|
729 if (ngx_old_cycles.elts == NULL) {
|
|
|
730 exit(1);
|
|
|
731 }
|
|
|
732 ngx_old_cycles.nelts = 0;
|
|
|
733 ngx_old_cycles.size = sizeof(ngx_cycle_t *);
|
|
|
734 ngx_old_cycles.nalloc = n;
|
|
|
735 ngx_old_cycles.pool = ngx_temp_pool;
|
|
|
736
|
|
58
|
737 ngx_cleaner_event.handler = ngx_clean_old_cycles;
|
|
0
|
738 ngx_cleaner_event.log = cycle->log;
|
|
|
739 ngx_cleaner_event.data = &dumb;
|
|
|
740 dumb.fd = (ngx_socket_t) -1;
|
|
|
741 }
|
|
|
742
|
|
|
743 ngx_temp_pool->log = cycle->log;
|
|
|
744
|
|
50
|
745 old = ngx_array_push(&ngx_old_cycles);
|
|
0
|
746 if (old == NULL) {
|
|
|
747 exit(1);
|
|
|
748 }
|
|
|
749 *old = old_cycle;
|
|
|
750
|
|
|
751 if (!ngx_cleaner_event.timer_set) {
|
|
|
752 ngx_add_timer(&ngx_cleaner_event, 30000);
|
|
|
753 ngx_cleaner_event.timer_set = 1;
|
|
|
754 }
|
|
|
755
|
|
|
756 return cycle;
|
|
160
|
757
|
|
|
758
|
|
|
759 failed:
|
|
|
760
|
|
296
|
761 if (!ngx_is_init_cycle(old_cycle)) {
|
|
|
762 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
|
|
|
763 ngx_core_module);
|
|
|
764 if (old_ccf->environment) {
|
|
|
765 environ = old_ccf->environment;
|
|
|
766 }
|
|
|
767 }
|
|
|
768
|
|
160
|
769 /* rollback the new cycle configuration */
|
|
|
770
|
|
|
771 part = &cycle->open_files.part;
|
|
|
772 file = part->elts;
|
|
|
773
|
|
|
774 for (i = 0; /* void */ ; i++) {
|
|
|
775
|
|
|
776 if (i >= part->nelts) {
|
|
|
777 if (part->next == NULL) {
|
|
|
778 break;
|
|
|
779 }
|
|
|
780 part = part->next;
|
|
|
781 file = part->elts;
|
|
|
782 i = 0;
|
|
|
783 }
|
|
|
784
|
|
482
|
785 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr) {
|
|
160
|
786 continue;
|
|
|
787 }
|
|
|
788
|
|
|
789 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
790 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
791 ngx_close_file_n " \"%s\" failed",
|
|
|
792 file[i].name.data);
|
|
|
793 }
|
|
|
794 }
|
|
|
795
|
|
|
796 if (ngx_test_config) {
|
|
|
797 ngx_destroy_cycle_pools(&conf);
|
|
|
798 return NULL;
|
|
|
799 }
|
|
|
800
|
|
|
801 ls = cycle->listening.elts;
|
|
|
802 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
803 if (ls[i].fd == -1 || !ls[i].open) {
|
|
|
804 continue;
|
|
|
805 }
|
|
|
806
|
|
|
807 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
808 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
|
809 ngx_close_socket_n " %V failed",
|
|
|
810 &ls[i].addr_text);
|
|
|
811 }
|
|
|
812 }
|
|
|
813
|
|
|
814 ngx_destroy_cycle_pools(&conf);
|
|
|
815
|
|
|
816 return NULL;
|
|
0
|
817 }
|
|
|
818
|
|
|
819
|
|
154
|
820 static void
|
|
|
821 ngx_destroy_cycle_pools(ngx_conf_t *conf)
|
|
|
822 {
|
|
|
823 ngx_destroy_pool(conf->temp_pool);
|
|
|
824 ngx_destroy_pool(conf->pool);
|
|
|
825 }
|
|
|
826
|
|
|
827
|
|
112
|
828 static ngx_int_t
|
|
|
829 ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2)
|
|
10
|
830 {
|
|
448
|
831 struct sockaddr_in *sin1, *sin2;
|
|
|
832 #if (NGX_HAVE_INET6)
|
|
|
833 struct sockaddr_in6 *sin61, *sin62;
|
|
|
834 #endif
|
|
10
|
835
|
|
448
|
836 if (sa1->sa_family != sa2->sa_family) {
|
|
10
|
837 return NGX_DECLINED;
|
|
|
838 }
|
|
|
839
|
|
448
|
840 switch (sa1->sa_family) {
|
|
|
841
|
|
|
842 #if (NGX_HAVE_INET6)
|
|
|
843 case AF_INET6:
|
|
|
844 sin61 = (struct sockaddr_in6 *) sa1;
|
|
|
845 sin62 = (struct sockaddr_in6 *) sa2;
|
|
|
846
|
|
|
847 if (sin61->sin6_port != sin61->sin6_port) {
|
|
|
848 return NGX_DECLINED;
|
|
|
849 }
|
|
|
850
|
|
|
851 if (ngx_memcmp(&sin61->sin6_addr, &sin62->sin6_addr, 16) != 0) {
|
|
|
852 return NGX_DECLINED;
|
|
|
853 }
|
|
10
|
854
|
|
448
|
855 break;
|
|
|
856 #endif
|
|
|
857
|
|
|
858 default: /* AF_INET */
|
|
|
859
|
|
|
860 sin1 = (struct sockaddr_in *) sa1;
|
|
|
861 sin2 = (struct sockaddr_in *) sa2;
|
|
10
|
862
|
|
448
|
863 if (sin1->sin_port != sin2->sin_port) {
|
|
|
864 return NGX_DECLINED;
|
|
|
865 }
|
|
|
866
|
|
|
867 if (sin1->sin_addr.s_addr != sin2->sin_addr.s_addr) {
|
|
|
868 return NGX_DECLINED;
|
|
|
869 }
|
|
|
870
|
|
|
871 break;
|
|
10
|
872 }
|
|
|
873
|
|
|
874 return NGX_OK;
|
|
|
875 }
|
|
|
876
|
|
|
877
|
|
480
|
878 static ngx_int_t
|
|
|
879 ngx_init_zone_pool(ngx_cycle_t *cycle, ngx_shm_zone_t *zn)
|
|
|
880 {
|
|
|
881 u_char *file;
|
|
|
882 ngx_slab_pool_t *sp;
|
|
|
883
|
|
|
884 sp = (ngx_slab_pool_t *) zn->shm.addr;
|
|
|
885
|
|
496
|
886 if (zn->shm.exists) {
|
|
|
887
|
|
|
888 if (sp == sp->addr) {
|
|
|
889 return NGX_OK;
|
|
|
890 }
|
|
|
891
|
|
|
892 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
893 "shared zone \"%V\" has no equal addresses: %p vs %p",
|
|
|
894 &zn->shm.name, sp->addr, sp);
|
|
|
895 return NGX_ERROR;
|
|
|
896 }
|
|
|
897
|
|
480
|
898 sp->end = zn->shm.addr + zn->shm.size;
|
|
|
899 sp->min_shift = 3;
|
|
496
|
900 sp->addr = zn->shm.addr;
|
|
480
|
901
|
|
|
902 #if (NGX_HAVE_ATOMIC_OPS)
|
|
|
903
|
|
|
904 file = NULL;
|
|
|
905
|
|
|
906 #else
|
|
|
907
|
|
|
908 file = ngx_pnalloc(cycle->pool, cycle->lock_file.len + zn->shm.name.len);
|
|
|
909 if (file == NULL) {
|
|
482
|
910 return NGX_ERROR;
|
|
480
|
911 }
|
|
|
912
|
|
|
913 (void) ngx_sprintf(file, "%V%V%Z", &cycle->lock_file, &zn->shm.name);
|
|
|
914
|
|
|
915 #endif
|
|
|
916
|
|
|
917 if (ngx_shmtx_create(&sp->mutex, (void *) &sp->lock, file) != NGX_OK) {
|
|
482
|
918 return NGX_ERROR;
|
|
480
|
919 }
|
|
|
920
|
|
|
921 ngx_slab_init(sp);
|
|
|
922
|
|
|
923 return NGX_OK;
|
|
|
924 }
|
|
|
925
|
|
0
|
926
|
|
112
|
927 ngx_int_t
|
|
160
|
928 ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log)
|
|
0
|
929 {
|
|
478
|
930 size_t len;
|
|
|
931 ngx_uint_t create;
|
|
|
932 ngx_file_t file;
|
|
|
933 u_char pid[NGX_INT64_LEN + 2];
|
|
0
|
934
|
|
480
|
935 if (ngx_process > NGX_PROCESS_MASTER) {
|
|
|
936 return NGX_OK;
|
|
|
937 }
|
|
|
938
|
|
0
|
939 ngx_memzero(&file, sizeof(ngx_file_t));
|
|
92
|
940
|
|
160
|
941 file.name = *name;
|
|
|
942 file.log = log;
|
|
0
|
943
|
|
478
|
944 create = ngx_test_config ? NGX_FILE_CREATE_OR_OPEN : NGX_FILE_TRUNCATE;
|
|
0
|
945
|
|
|
946 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR,
|
|
478
|
947 create, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
948
|
|
|
949 if (file.fd == NGX_INVALID_FILE) {
|
|
160
|
950 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
0
|
951 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
952 return NGX_ERROR;
|
|
|
953 }
|
|
|
954
|
|
|
955 if (!ngx_test_config) {
|
|
270
|
956 len = ngx_snprintf(pid, NGX_INT64_LEN + 2, "%P%N", ngx_pid) - pid;
|
|
10
|
957
|
|
0
|
958 if (ngx_write_file(&file, pid, len, 0) == NGX_ERROR) {
|
|
|
959 return NGX_ERROR;
|
|
|
960 }
|
|
|
961 }
|
|
|
962
|
|
|
963 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
160
|
964 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
0
|
965 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
966 }
|
|
|
967
|
|
|
968 return NGX_OK;
|
|
|
969 }
|
|
|
970
|
|
|
971
|
|
112
|
972 void
|
|
|
973 ngx_delete_pidfile(ngx_cycle_t *cycle)
|
|
126
|
974 {
|
|
0
|
975 u_char *name;
|
|
|
976 ngx_core_conf_t *ccf;
|
|
|
977
|
|
|
978 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
979
|
|
92
|
980 name = ngx_new_binary ? ccf->oldpid.data : ccf->pid.data;
|
|
0
|
981
|
|
|
982 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
|
|
|
983 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
984 ngx_delete_file_n " \"%s\" failed", name);
|
|
|
985 }
|
|
|
986 }
|
|
|
987
|
|
|
988
|
|
482
|
989 ngx_int_t
|
|
|
990 ngx_signal_process(ngx_cycle_t *cycle, char *sig)
|
|
|
991 {
|
|
|
992 ssize_t n;
|
|
|
993 ngx_int_t pid;
|
|
|
994 ngx_file_t file;
|
|
|
995 ngx_core_conf_t *ccf;
|
|
|
996 u_char buf[NGX_INT64_LEN + 2];
|
|
|
997
|
|
|
998 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "signal process started");
|
|
|
999
|
|
|
1000 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
1001
|
|
|
1002 file.name = ccf->pid;
|
|
|
1003 file.log = cycle->log;
|
|
|
1004
|
|
|
1005 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDONLY,
|
|
|
1006 NGX_FILE_OPEN, NGX_FILE_DEFAULT_ACCESS);
|
|
|
1007
|
|
|
1008 if (file.fd == NGX_INVALID_FILE) {
|
|
|
1009 ngx_log_error(NGX_LOG_ERR, cycle->log, ngx_errno,
|
|
|
1010 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
1011 return 1;
|
|
|
1012 }
|
|
|
1013
|
|
|
1014 n = ngx_read_file(&file, buf, NGX_INT64_LEN + 2, 0);
|
|
|
1015
|
|
|
1016 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
|
1017 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1018 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
1019 }
|
|
|
1020
|
|
|
1021 if (n == NGX_ERROR) {
|
|
|
1022 return 1;
|
|
|
1023 }
|
|
|
1024
|
|
|
1025 while (n-- && (buf[n] == CR || buf[n] == LF)) { /* void */ }
|
|
|
1026
|
|
|
1027 pid = ngx_atoi(buf, ++n);
|
|
|
1028
|
|
|
1029 if (pid == NGX_ERROR) {
|
|
|
1030 ngx_log_error(NGX_LOG_ERR, cycle->log, 0,
|
|
|
1031 "invalid PID number \"%*s\" in \"%s\"",
|
|
|
1032 n, buf, file.name.data);
|
|
|
1033 return 1;
|
|
|
1034 }
|
|
|
1035
|
|
|
1036 return ngx_os_signal_process(cycle, sig, pid);
|
|
|
1037
|
|
|
1038 }
|
|
|
1039
|
|
|
1040
|
|
160
|
1041 static ngx_int_t
|
|
|
1042 ngx_test_lockfile(u_char *file, ngx_log_t *log)
|
|
|
1043 {
|
|
|
1044 #if !(NGX_HAVE_ATOMIC_OPS)
|
|
|
1045 ngx_fd_t fd;
|
|
|
1046
|
|
284
|
1047 fd = ngx_open_file(file, NGX_FILE_RDWR, NGX_FILE_CREATE_OR_OPEN,
|
|
|
1048 NGX_FILE_DEFAULT_ACCESS);
|
|
160
|
1049
|
|
|
1050 if (fd == NGX_INVALID_FILE) {
|
|
|
1051 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
1052 ngx_open_file_n " \"%s\" failed", file);
|
|
|
1053 return NGX_ERROR;
|
|
|
1054 }
|
|
|
1055
|
|
|
1056 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1057 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
1058 ngx_close_file_n " \"%s\" failed", file);
|
|
|
1059 }
|
|
|
1060
|
|
|
1061 if (ngx_delete_file(file) == NGX_FILE_ERROR) {
|
|
|
1062 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
1063 ngx_delete_file_n " \"%s\" failed", file);
|
|
|
1064 }
|
|
|
1065
|
|
|
1066 #endif
|
|
|
1067
|
|
|
1068 return NGX_OK;
|
|
|
1069 }
|
|
|
1070
|
|
|
1071
|
|
112
|
1072 void
|
|
|
1073 ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user)
|
|
0
|
1074 {
|
|
418
|
1075 ssize_t n, len;
|
|
0
|
1076 ngx_fd_t fd;
|
|
|
1077 ngx_uint_t i;
|
|
|
1078 ngx_list_part_t *part;
|
|
|
1079 ngx_open_file_t *file;
|
|
|
1080
|
|
|
1081 part = &cycle->open_files.part;
|
|
|
1082 file = part->elts;
|
|
|
1083
|
|
|
1084 for (i = 0; /* void */ ; i++) {
|
|
|
1085
|
|
|
1086 if (i >= part->nelts) {
|
|
|
1087 if (part->next == NULL) {
|
|
|
1088 break;
|
|
|
1089 }
|
|
|
1090 part = part->next;
|
|
72
|
1091 file = part->elts;
|
|
0
|
1092 i = 0;
|
|
|
1093 }
|
|
|
1094
|
|
482
|
1095 if (file[i].name.len == 0) {
|
|
0
|
1096 continue;
|
|
|
1097 }
|
|
|
1098
|
|
418
|
1099 len = file[i].pos - file[i].buffer;
|
|
|
1100
|
|
|
1101 if (file[i].buffer && len != 0) {
|
|
|
1102
|
|
|
1103 n = ngx_write_fd(file[i].fd, file[i].buffer, len);
|
|
|
1104
|
|
|
1105 if (n == NGX_FILE_ERROR) {
|
|
|
1106 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1107 ngx_write_fd_n " to \"%s\" failed",
|
|
|
1108 file[i].name.data);
|
|
|
1109
|
|
|
1110 } else if (n != len) {
|
|
|
1111 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
1112 ngx_write_fd_n " to \"%s\" was incomplete: %z of %uz",
|
|
|
1113 file[i].name.data, n, len);
|
|
|
1114 }
|
|
|
1115
|
|
120
|
1116 file[i].pos = file[i].buffer;
|
|
|
1117 }
|
|
|
1118
|
|
470
|
1119 fd = ngx_open_file(file[i].name.data, NGX_FILE_APPEND,
|
|
|
1120 NGX_FILE_CREATE_OR_OPEN, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
1121
|
|
|
1122 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
1123 "reopen file \"%s\", old:%d new:%d",
|
|
|
1124 file[i].name.data, file[i].fd, fd);
|
|
|
1125
|
|
|
1126 if (fd == NGX_INVALID_FILE) {
|
|
|
1127 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1128 ngx_open_file_n " \"%s\" failed", file[i].name.data);
|
|
|
1129 continue;
|
|
|
1130 }
|
|
|
1131
|
|
478
|
1132 #if !(NGX_WIN32)
|
|
66
|
1133 if (user != (ngx_uid_t) NGX_CONF_UNSET_UINT) {
|
|
356
|
1134 ngx_file_info_t fi;
|
|
2
|
1135
|
|
484
|
1136 if (ngx_file_info((const char *) file[i].name.data, &fi)
|
|
|
1137 == NGX_FILE_ERROR)
|
|
|
1138 {
|
|
2
|
1139 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1140 ngx_file_info_n " \"%s\" failed",
|
|
|
1141 file[i].name.data);
|
|
|
1142
|
|
|
1143 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1144 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1145 ngx_close_file_n " \"%s\" failed",
|
|
|
1146 file[i].name.data);
|
|
|
1147 }
|
|
|
1148 }
|
|
|
1149
|
|
16
|
1150 if (fi.st_uid != user) {
|
|
|
1151 if (chown((const char *) file[i].name.data, user, -1) == -1) {
|
|
|
1152 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1153 "chown(\"%s\", %d) failed",
|
|
|
1154 file[i].name.data, user);
|
|
|
1155
|
|
|
1156 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1157 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1158 ngx_close_file_n " \"%s\" failed",
|
|
|
1159 file[i].name.data);
|
|
|
1160 }
|
|
|
1161 }
|
|
|
1162 }
|
|
|
1163
|
|
2
|
1164 if ((fi.st_mode & (S_IRUSR|S_IWUSR)) != (S_IRUSR|S_IWUSR)) {
|
|
|
1165
|
|
|
1166 fi.st_mode |= (S_IRUSR|S_IWUSR);
|
|
|
1167
|
|
|
1168 if (chmod((const char *) file[i].name.data, fi.st_mode) == -1) {
|
|
|
1169 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
16
|
1170 "chmod() \"%s\" failed", file[i].name.data);
|
|
2
|
1171
|
|
|
1172 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1173 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1174 ngx_close_file_n " \"%s\" failed",
|
|
|
1175 file[i].name.data);
|
|
|
1176 }
|
|
|
1177 }
|
|
|
1178 }
|
|
0
|
1179 }
|
|
|
1180
|
|
|
1181 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
|
|
|
1182 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1183 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
1184 file[i].name.data);
|
|
|
1185
|
|
|
1186 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1187 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1188 ngx_close_file_n " \"%s\" failed",
|
|
|
1189 file[i].name.data);
|
|
|
1190 }
|
|
|
1191
|
|
|
1192 continue;
|
|
|
1193 }
|
|
|
1194 #endif
|
|
|
1195
|
|
|
1196 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
1197 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1198 ngx_close_file_n " \"%s\" failed",
|
|
|
1199 file[i].name.data);
|
|
|
1200 }
|
|
|
1201
|
|
|
1202 file[i].fd = fd;
|
|
|
1203 }
|
|
|
1204
|
|
10
|
1205 #if !(NGX_WIN32)
|
|
0
|
1206
|
|
|
1207 if (cycle->log->file->fd != STDERR_FILENO) {
|
|
|
1208 if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) {
|
|
|
1209 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1210 "dup2(STDERR) failed");
|
|
|
1211 }
|
|
|
1212 }
|
|
|
1213
|
|
|
1214 #endif
|
|
|
1215 }
|
|
|
1216
|
|
|
1217
|
|
272
|
1218 ngx_shm_zone_t *
|
|
|
1219 ngx_shared_memory_add(ngx_conf_t *cf, ngx_str_t *name, size_t size, void *tag)
|
|
|
1220 {
|
|
|
1221 ngx_uint_t i;
|
|
|
1222 ngx_shm_zone_t *shm_zone;
|
|
|
1223 ngx_list_part_t *part;
|
|
|
1224
|
|
|
1225 part = &cf->cycle->shared_memory.part;
|
|
|
1226 shm_zone = part->elts;
|
|
|
1227
|
|
|
1228 for (i = 0; /* void */ ; i++) {
|
|
|
1229
|
|
|
1230 if (i >= part->nelts) {
|
|
|
1231 if (part->next == NULL) {
|
|
|
1232 break;
|
|
|
1233 }
|
|
|
1234 part = part->next;
|
|
|
1235 shm_zone = part->elts;
|
|
|
1236 i = 0;
|
|
|
1237 }
|
|
|
1238
|
|
480
|
1239 if (name->len != shm_zone[i].shm.name.len) {
|
|
272
|
1240 continue;
|
|
|
1241 }
|
|
|
1242
|
|
480
|
1243 if (ngx_strncmp(name->data, shm_zone[i].shm.name.data, name->len)
|
|
|
1244 != 0)
|
|
|
1245 {
|
|
272
|
1246 continue;
|
|
|
1247 }
|
|
|
1248
|
|
|
1249 if (size && size != shm_zone[i].shm.size) {
|
|
|
1250 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
480
|
1251 "the size %uz of shared memory zone \"%V\" "
|
|
|
1252 "conflicts with already declared size %uz",
|
|
|
1253 size, &shm_zone[i].shm.name, shm_zone[i].shm.size);
|
|
272
|
1254 return NULL;
|
|
|
1255 }
|
|
|
1256
|
|
|
1257 if (tag != shm_zone[i].tag) {
|
|
|
1258 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
480
|
1259 "the shared memory zone \"%V\" is "
|
|
|
1260 "already declared for a different use",
|
|
|
1261 &shm_zone[i].shm.name);
|
|
272
|
1262 return NULL;
|
|
|
1263 }
|
|
|
1264
|
|
|
1265 return &shm_zone[i];
|
|
|
1266 }
|
|
|
1267
|
|
|
1268 shm_zone = ngx_list_push(&cf->cycle->shared_memory);
|
|
|
1269
|
|
|
1270 if (shm_zone == NULL) {
|
|
|
1271 return NULL;
|
|
|
1272 }
|
|
|
1273
|
|
|
1274 shm_zone->data = NULL;
|
|
|
1275 shm_zone->shm.log = cf->cycle->log;
|
|
|
1276 shm_zone->shm.size = size;
|
|
480
|
1277 shm_zone->shm.name = *name;
|
|
|
1278 shm_zone->shm.exists = 0;
|
|
272
|
1279 shm_zone->init = NULL;
|
|
|
1280 shm_zone->tag = tag;
|
|
|
1281
|
|
|
1282 return shm_zone;
|
|
|
1283 }
|
|
|
1284
|
|
|
1285
|
|
112
|
1286 static void
|
|
|
1287 ngx_clean_old_cycles(ngx_event_t *ev)
|
|
0
|
1288 {
|
|
|
1289 ngx_uint_t i, n, found, live;
|
|
|
1290 ngx_log_t *log;
|
|
|
1291 ngx_cycle_t **cycle;
|
|
|
1292
|
|
|
1293 log = ngx_cycle->log;
|
|
|
1294 ngx_temp_pool->log = log;
|
|
|
1295
|
|
|
1296 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycles");
|
|
|
1297
|
|
|
1298 live = 0;
|
|
|
1299
|
|
|
1300 cycle = ngx_old_cycles.elts;
|
|
|
1301 for (i = 0; i < ngx_old_cycles.nelts; i++) {
|
|
|
1302
|
|
|
1303 if (cycle[i] == NULL) {
|
|
|
1304 continue;
|
|
|
1305 }
|
|
|
1306
|
|
|
1307 found = 0;
|
|
|
1308
|
|
|
1309 for (n = 0; n < cycle[i]->connection_n; n++) {
|
|
110
|
1310 if (cycle[i]->connections[n].fd != (ngx_socket_t) -1) {
|
|
0
|
1311 found = 1;
|
|
|
1312
|
|
|
1313 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "live fd:%d", n);
|
|
|
1314
|
|
|
1315 break;
|
|
|
1316 }
|
|
|
1317 }
|
|
|
1318
|
|
|
1319 if (found) {
|
|
|
1320 live = 1;
|
|
|
1321 continue;
|
|
|
1322 }
|
|
|
1323
|
|
|
1324 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycle: %d", i);
|
|
|
1325
|
|
|
1326 ngx_destroy_pool(cycle[i]->pool);
|
|
|
1327 cycle[i] = NULL;
|
|
|
1328 }
|
|
|
1329
|
|
|
1330 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "old cycles status: %d", live);
|
|
|
1331
|
|
|
1332 if (live) {
|
|
|
1333 ngx_add_timer(ev, 30000);
|
|
|
1334
|
|
|
1335 } else {
|
|
|
1336 ngx_destroy_pool(ngx_temp_pool);
|
|
|
1337 ngx_temp_pool = NULL;
|
|
|
1338 ngx_old_cycles.nelts = 0;
|
|
|
1339 }
|
|
|
1340 }
|
