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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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566
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66 ngx_time_update();
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404
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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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538
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207 ngx_strlow(cycle->hostname.data, (u_char *) hostname, cycle->hostname.len);
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376
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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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528
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258 environ = senv;
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384
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259 ngx_destroy_cycle_pools(&conf);
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260 return NULL;
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261 }
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262
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0
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263 if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) {
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528
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264 environ = senv;
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154
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265 ngx_destroy_cycle_pools(&conf);
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0
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266 return NULL;
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267 }
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268
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269 if (ngx_test_config) {
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482
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270 ngx_log_stderr(0, "the configuration file %s syntax is ok",
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480
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271 cycle->conf_file.data);
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0
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272 }
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273
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274 for (i = 0; ngx_modules[i]; i++) {
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275 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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276 continue;
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277 }
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278
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279 module = ngx_modules[i]->ctx;
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280
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281 if (module->init_conf) {
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282 if (module->init_conf(cycle, cycle->conf_ctx[ngx_modules[i]->index])
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142
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283 == NGX_CONF_ERROR)
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0
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284 {
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528
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285 environ = senv;
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154
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286 ngx_destroy_cycle_pools(&conf);
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0
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287 return NULL;
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288 }
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289 }
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290 }
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291
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498
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292 if (ngx_process == NGX_PROCESS_SIGNALLER) {
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293 return cycle;
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294 }
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0
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295
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160
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296 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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0
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297
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160
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298 if (ngx_test_config) {
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299
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300 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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301 goto failed;
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302 }
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303
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304 } else if (!ngx_is_init_cycle(old_cycle)) {
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305
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306 /*
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307 * we do not create the pid file in the first ngx_init_cycle() call
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308 * because we need to write the demonized process pid
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309 */
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310
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311 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
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312 ngx_core_module);
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313 if (ccf->pid.len != old_ccf->pid.len
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314 || ngx_strcmp(ccf->pid.data, old_ccf->pid.data) != 0)
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315 {
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316 /* new pid file name */
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317
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318 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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319 goto failed;
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320 }
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321
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322 ngx_delete_pidfile(old_cycle);
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323 }
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0
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324 }
|
|
160
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325
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0
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326
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258
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327 if (ngx_test_lockfile(cycle->lock_file.data, log) != NGX_OK) {
|
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160
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328 goto failed;
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329 }
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16
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330
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160
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331
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|
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332 if (ngx_create_pathes(cycle, ccf->user) != NGX_OK) {
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333 goto failed;
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16
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334 }
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335
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336
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484
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337 if (cycle->new_log.file == NULL) {
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338 cycle->new_log.file = ngx_conf_open_file(cycle, &error_log);
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339 if (cycle->new_log.file == NULL) {
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340 goto failed;
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341 }
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342 }
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343
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160
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344 /* open the new files */
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0
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345
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160
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346 part = &cycle->open_files.part;
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347 file = part->elts;
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0
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348
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160
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349 for (i = 0; /* void */ ; i++) {
|
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0
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350
|
|
160
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351 if (i >= part->nelts) {
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352 if (part->next == NULL) {
|
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0
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353 break;
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|
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354 }
|
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160
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355 part = part->next;
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356 file = part->elts;
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357 i = 0;
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|
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358 }
|
|
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359
|
|
482
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360 if (file[i].name.len == 0) {
|
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160
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361 continue;
|
|
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362 }
|
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363
|
|
470
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364 file[i].fd = ngx_open_file(file[i].name.data,
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365 NGX_FILE_APPEND,
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|
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366 NGX_FILE_CREATE_OR_OPEN,
|
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276
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367 NGX_FILE_DEFAULT_ACCESS);
|
|
160
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368
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|
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369 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
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370 "log: %p %d \"%s\"",
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371 &file[i], file[i].fd, file[i].name.data);
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372
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|
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373 if (file[i].fd == NGX_INVALID_FILE) {
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374 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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375 ngx_open_file_n " \"%s\" failed",
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376 file[i].name.data);
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377 goto failed;
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378 }
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0
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379
|
|
478
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380 #if !(NGX_WIN32)
|
|
160
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381 if (fcntl(file[i].fd, F_SETFD, FD_CLOEXEC) == -1) {
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382 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
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383 "fcntl(FD_CLOEXEC) \"%s\" failed",
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|
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384 file[i].name.data);
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|
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385 goto failed;
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|
|
386 }
|
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0
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387 #endif
|
|
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388 }
|
|
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389
|
|
484
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390 cycle->log = &cycle->new_log;
|
|
|
391 pool->log = &cycle->new_log;
|
|
440
|
392
|
|
10
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393
|
|
258
|
394 /* create shared memory */
|
|
|
395
|
|
|
396 part = &cycle->shared_memory.part;
|
|
272
|
397 shm_zone = part->elts;
|
|
258
|
398
|
|
|
399 for (i = 0; /* void */ ; i++) {
|
|
|
400
|
|
|
401 if (i >= part->nelts) {
|
|
|
402 if (part->next == NULL) {
|
|
|
403 break;
|
|
|
404 }
|
|
|
405 part = part->next;
|
|
272
|
406 shm_zone = part->elts;
|
|
258
|
407 i = 0;
|
|
|
408 }
|
|
|
409
|
|
272
|
410 if (shm_zone[i].shm.size == 0) {
|
|
|
411 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
|
412 "zero size shared memory zone \"%V\"",
|
|
480
|
413 &shm_zone[i].shm.name);
|
|
272
|
414 goto failed;
|
|
|
415 }
|
|
|
416
|
|
274
|
417 if (shm_zone[i].init == NULL) {
|
|
|
418 /* unused shared zone */
|
|
|
419 continue;
|
|
|
420 }
|
|
|
421
|
|
272
|
422 shm_zone[i].shm.log = cycle->log;
|
|
258
|
423
|
|
|
424 opart = &old_cycle->shared_memory.part;
|
|
272
|
425 oshm_zone = opart->elts;
|
|
258
|
426
|
|
|
427 for (n = 0; /* void */ ; n++) {
|
|
|
428
|
|
|
429 if (n >= opart->nelts) {
|
|
|
430 if (opart->next == NULL) {
|
|
|
431 break;
|
|
|
432 }
|
|
|
433 opart = opart->next;
|
|
272
|
434 oshm_zone = opart->elts;
|
|
258
|
435 n = 0;
|
|
|
436 }
|
|
|
437
|
|
480
|
438 if (shm_zone[i].shm.name.len != oshm_zone[n].shm.name.len) {
|
|
272
|
439 continue;
|
|
|
440 }
|
|
|
441
|
|
480
|
442 if (ngx_strncmp(shm_zone[i].shm.name.data,
|
|
|
443 oshm_zone[n].shm.name.data,
|
|
|
444 shm_zone[i].shm.name.len)
|
|
272
|
445 != 0)
|
|
|
446 {
|
|
258
|
447 continue;
|
|
|
448 }
|
|
|
449
|
|
272
|
450 if (shm_zone[i].shm.size == oshm_zone[n].shm.size) {
|
|
|
451 shm_zone[i].shm.addr = oshm_zone[n].shm.addr;
|
|
|
452
|
|
|
453 if (shm_zone[i].init(&shm_zone[i], oshm_zone[n].data)
|
|
|
454 != NGX_OK)
|
|
|
455 {
|
|
|
456 goto failed;
|
|
|
457 }
|
|
|
458
|
|
|
459 goto shm_zone_found;
|
|
258
|
460 }
|
|
|
461
|
|
272
|
462 ngx_shm_free(&oshm_zone[n].shm);
|
|
258
|
463
|
|
|
464 break;
|
|
|
465 }
|
|
|
466
|
|
272
|
467 if (ngx_shm_alloc(&shm_zone[i].shm) != NGX_OK) {
|
|
258
|
468 goto failed;
|
|
|
469 }
|
|
|
470
|
|
496
|
471 if (ngx_init_zone_pool(cycle, &shm_zone[i]) != NGX_OK) {
|
|
|
472 goto failed;
|
|
258
|
473 }
|
|
|
474
|
|
272
|
475 if (shm_zone[i].init(&shm_zone[i], NULL) != NGX_OK) {
|
|
|
476 goto failed;
|
|
|
477 }
|
|
|
478
|
|
|
479 shm_zone_found:
|
|
258
|
480
|
|
|
481 continue;
|
|
|
482 }
|
|
|
483
|
|
|
484
|
|
160
|
485 /* handle the listening sockets */
|
|
10
|
486
|
|
160
|
487 if (old_cycle->listening.nelts) {
|
|
|
488 ls = old_cycle->listening.elts;
|
|
|
489 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
490 ls[i].remain = 0;
|
|
|
491 }
|
|
0
|
492
|
|
160
|
493 nls = cycle->listening.elts;
|
|
|
494 for (n = 0; n < cycle->listening.nelts; n++) {
|
|
10
|
495
|
|
160
|
496 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
497 if (ls[i].ignore) {
|
|
|
498 continue;
|
|
|
499 }
|
|
0
|
500
|
|
160
|
501 if (ngx_cmp_sockaddr(nls[n].sockaddr, ls[i].sockaddr) == NGX_OK)
|
|
|
502 {
|
|
|
503 nls[n].fd = ls[i].fd;
|
|
|
504 nls[n].previous = &ls[i];
|
|
|
505 ls[i].remain = 1;
|
|
72
|
506
|
|
160
|
507 if (ls[n].backlog != nls[i].backlog) {
|
|
|
508 nls[n].listen = 1;
|
|
|
509 }
|
|
86
|
510
|
|
72
|
511 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
512
|
|
160
|
513 /*
|
|
|
514 * FreeBSD, except the most recent versions,
|
|
|
515 * could not remove accept filter
|
|
|
516 */
|
|
|
517 nls[n].deferred_accept = ls[i].deferred_accept;
|
|
72
|
518
|
|
160
|
519 if (ls[i].accept_filter && nls[n].accept_filter) {
|
|
|
520 if (ngx_strcmp(ls[i].accept_filter,
|
|
|
521 nls[n].accept_filter)
|
|
|
522 != 0)
|
|
|
523 {
|
|
72
|
524 nls[n].delete_deferred = 1;
|
|
|
525 nls[n].add_deferred = 1;
|
|
|
526 }
|
|
160
|
527
|
|
|
528 } else if (ls[i].accept_filter) {
|
|
|
529 nls[n].delete_deferred = 1;
|
|
|
530
|
|
|
531 } else if (nls[n].accept_filter) {
|
|
|
532 nls[n].add_deferred = 1;
|
|
|
533 }
|
|
72
|
534 #endif
|
|
|
535
|
|
|
536 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
537
|
|
160
|
538 if (ls[n].deferred_accept && !nls[n].deferred_accept) {
|
|
|
539 nls[n].delete_deferred = 1;
|
|
72
|
540
|
|
160
|
541 } else if (ls[i].deferred_accept != nls[n].deferred_accept)
|
|
|
542 {
|
|
|
543 nls[n].add_deferred = 1;
|
|
|
544 }
|
|
72
|
545 #endif
|
|
160
|
546 break;
|
|
0
|
547 }
|
|
|
548 }
|
|
|
549
|
|
160
|
550 if (nls[n].fd == -1) {
|
|
|
551 nls[n].open = 1;
|
|
0
|
552 }
|
|
|
553 }
|
|
|
554
|
|
160
|
555 } else {
|
|
|
556 ls = cycle->listening.elts;
|
|
|
557 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
558 ls[i].open = 1;
|
|
|
559 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
560 if (ls[i].accept_filter) {
|
|
|
561 ls[i].add_deferred = 1;
|
|
0
|
562 }
|
|
160
|
563 #endif
|
|
|
564 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
565 if (ls[i].deferred_accept) {
|
|
|
566 ls[i].add_deferred = 1;
|
|
72
|
567 }
|
|
160
|
568 #endif
|
|
0
|
569 }
|
|
|
570 }
|
|
|
571
|
|
498
|
572 if (ngx_open_listening_sockets(cycle) != NGX_OK) {
|
|
|
573 goto failed;
|
|
|
574 }
|
|
0
|
575
|
|
498
|
576 if (!ngx_test_config) {
|
|
|
577 ngx_configure_listening_sockets(cycle);
|
|
0
|
578 }
|
|
|
579
|
|
|
580
|
|
|
581 /* commit the new cycle configuration */
|
|
|
582
|
|
482
|
583 if (!ngx_use_stderr && cycle->log->file->fd != ngx_stderr) {
|
|
0
|
584
|
|
482
|
585 if (ngx_set_stderr(cycle->log->file->fd) == NGX_FILE_ERROR) {
|
|
|
586 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
587 ngx_set_stderr_n " failed");
|
|
0
|
588 }
|
|
|
589 }
|
|
|
590
|
|
|
591 pool->log = cycle->log;
|
|
|
592
|
|
|
593 for (i = 0; ngx_modules[i]; i++) {
|
|
|
594 if (ngx_modules[i]->init_module) {
|
|
160
|
595 if (ngx_modules[i]->init_module(cycle) != NGX_OK) {
|
|
0
|
596 /* fatal */
|
|
|
597 exit(1);
|
|
|
598 }
|
|
|
599 }
|
|
|
600 }
|
|
|
601
|
|
16
|
602
|
|
0
|
603 /* close and delete stuff that lefts from an old cycle */
|
|
|
604
|
|
272
|
605 /* free the unnecessary shared memory */
|
|
|
606
|
|
|
607 opart = &old_cycle->shared_memory.part;
|
|
|
608 oshm_zone = opart->elts;
|
|
|
609
|
|
|
610 for (i = 0; /* void */ ; i++) {
|
|
|
611
|
|
|
612 if (i >= opart->nelts) {
|
|
|
613 if (opart->next == NULL) {
|
|
|
614 goto old_shm_zone_done;
|
|
|
615 }
|
|
|
616 opart = opart->next;
|
|
|
617 oshm_zone = opart->elts;
|
|
|
618 i = 0;
|
|
|
619 }
|
|
|
620
|
|
|
621 part = &cycle->shared_memory.part;
|
|
|
622 shm_zone = part->elts;
|
|
|
623
|
|
|
624 for (n = 0; /* void */ ; n++) {
|
|
|
625
|
|
|
626 if (n >= part->nelts) {
|
|
|
627 if (part->next == NULL) {
|
|
|
628 break;
|
|
|
629 }
|
|
|
630 part = part->next;
|
|
|
631 shm_zone = part->elts;
|
|
|
632 n = 0;
|
|
|
633 }
|
|
|
634
|
|
480
|
635 if (oshm_zone[i].shm.name.len == shm_zone[n].shm.name.len
|
|
|
636 && ngx_strncmp(oshm_zone[i].shm.name.data,
|
|
|
637 shm_zone[n].shm.name.data,
|
|
|
638 oshm_zone[i].shm.name.len)
|
|
272
|
639 == 0)
|
|
|
640 {
|
|
|
641 goto live_shm_zone;
|
|
|
642 }
|
|
|
643 }
|
|
|
644
|
|
|
645 ngx_shm_free(&oshm_zone[i].shm);
|
|
|
646
|
|
|
647 live_shm_zone:
|
|
|
648
|
|
|
649 continue;
|
|
|
650 }
|
|
|
651
|
|
|
652 old_shm_zone_done:
|
|
|
653
|
|
|
654
|
|
|
655 /* close the unnecessary listening sockets */
|
|
0
|
656
|
|
|
657 ls = old_cycle->listening.elts;
|
|
|
658 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
498
|
659
|
|
|
660 if (ls[i].remain || ls[i].fd == -1) {
|
|
0
|
661 continue;
|
|
|
662 }
|
|
|
663
|
|
|
664 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
665 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
92
|
666 ngx_close_socket_n " listening socket on %V failed",
|
|
10
|
667 &ls[i].addr_text);
|
|
0
|
668 }
|
|
576
|
669
|
|
|
670 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
671
|
|
|
672 if (ls[i].sockaddr->sa_family == AF_UNIX) {
|
|
|
673 u_char *name;
|
|
|
674
|
|
|
675 name = ls[i].addr_text.data + sizeof("unix:") - 1;
|
|
|
676
|
|
|
677 ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
678 "deleting socket %s", name);
|
|
|
679
|
|
|
680 if (ngx_delete_file(name) == -1) {
|
|
|
681 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
|
|
|
682 ngx_delete_file_n " %s failed", name);
|
|
|
683 }
|
|
|
684 }
|
|
|
685
|
|
|
686 #endif
|
|
0
|
687 }
|
|
|
688
|
|
|
689
|
|
272
|
690 /* close the unnecessary open files */
|
|
0
|
691
|
|
|
692 part = &old_cycle->open_files.part;
|
|
|
693 file = part->elts;
|
|
|
694
|
|
|
695 for (i = 0; /* void */ ; i++) {
|
|
|
696
|
|
|
697 if (i >= part->nelts) {
|
|
|
698 if (part->next == NULL) {
|
|
|
699 break;
|
|
|
700 }
|
|
|
701 part = part->next;
|
|
|
702 file = part->elts;
|
|
|
703 i = 0;
|
|
|
704 }
|
|
|
705
|
|
482
|
706 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr) {
|
|
0
|
707 continue;
|
|
|
708 }
|
|
|
709
|
|
|
710 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
711 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
712 ngx_close_file_n " \"%s\" failed",
|
|
|
713 file[i].name.data);
|
|
|
714 }
|
|
|
715 }
|
|
|
716
|
|
142
|
717 ngx_destroy_pool(conf.temp_pool);
|
|
|
718
|
|
154
|
719 if (ngx_process == NGX_PROCESS_MASTER || ngx_is_init_cycle(old_cycle)) {
|
|
|
720
|
|
356
|
721 /*
|
|
528
|
722 * perl_destruct() frees environ, if it is not the same as it was at
|
|
|
723 * perl_construct() time, therefore we save the previous cycle
|
|
356
|
724 * environment before ngx_conf_parse() where it will be changed.
|
|
|
725 */
|
|
|
726
|
|
|
727 env = environ;
|
|
|
728 environ = senv;
|
|
|
729
|
|
0
|
730 ngx_destroy_pool(old_cycle->pool);
|
|
160
|
731 cycle->old_cycle = NULL;
|
|
|
732
|
|
356
|
733 environ = env;
|
|
|
734
|
|
0
|
735 return cycle;
|
|
|
736 }
|
|
|
737
|
|
|
738
|
|
|
739 if (ngx_temp_pool == NULL) {
|
|
|
740 ngx_temp_pool = ngx_create_pool(128, cycle->log);
|
|
|
741 if (ngx_temp_pool == NULL) {
|
|
|
742 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
743 "can not create ngx_temp_pool");
|
|
|
744 exit(1);
|
|
|
745 }
|
|
|
746
|
|
|
747 n = 10;
|
|
|
748 ngx_old_cycles.elts = ngx_pcalloc(ngx_temp_pool,
|
|
|
749 n * sizeof(ngx_cycle_t *));
|
|
|
750 if (ngx_old_cycles.elts == NULL) {
|
|
|
751 exit(1);
|
|
|
752 }
|
|
|
753 ngx_old_cycles.nelts = 0;
|
|
|
754 ngx_old_cycles.size = sizeof(ngx_cycle_t *);
|
|
|
755 ngx_old_cycles.nalloc = n;
|
|
|
756 ngx_old_cycles.pool = ngx_temp_pool;
|
|
|
757
|
|
58
|
758 ngx_cleaner_event.handler = ngx_clean_old_cycles;
|
|
0
|
759 ngx_cleaner_event.log = cycle->log;
|
|
|
760 ngx_cleaner_event.data = &dumb;
|
|
|
761 dumb.fd = (ngx_socket_t) -1;
|
|
|
762 }
|
|
|
763
|
|
|
764 ngx_temp_pool->log = cycle->log;
|
|
|
765
|
|
50
|
766 old = ngx_array_push(&ngx_old_cycles);
|
|
0
|
767 if (old == NULL) {
|
|
|
768 exit(1);
|
|
|
769 }
|
|
|
770 *old = old_cycle;
|
|
|
771
|
|
|
772 if (!ngx_cleaner_event.timer_set) {
|
|
|
773 ngx_add_timer(&ngx_cleaner_event, 30000);
|
|
|
774 ngx_cleaner_event.timer_set = 1;
|
|
|
775 }
|
|
|
776
|
|
|
777 return cycle;
|
|
160
|
778
|
|
|
779
|
|
|
780 failed:
|
|
|
781
|
|
296
|
782 if (!ngx_is_init_cycle(old_cycle)) {
|
|
|
783 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
|
|
|
784 ngx_core_module);
|
|
|
785 if (old_ccf->environment) {
|
|
|
786 environ = old_ccf->environment;
|
|
|
787 }
|
|
|
788 }
|
|
|
789
|
|
160
|
790 /* rollback the new cycle configuration */
|
|
|
791
|
|
|
792 part = &cycle->open_files.part;
|
|
|
793 file = part->elts;
|
|
|
794
|
|
|
795 for (i = 0; /* void */ ; i++) {
|
|
|
796
|
|
|
797 if (i >= part->nelts) {
|
|
|
798 if (part->next == NULL) {
|
|
|
799 break;
|
|
|
800 }
|
|
|
801 part = part->next;
|
|
|
802 file = part->elts;
|
|
|
803 i = 0;
|
|
|
804 }
|
|
|
805
|
|
482
|
806 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr) {
|
|
160
|
807 continue;
|
|
|
808 }
|
|
|
809
|
|
|
810 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
811 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
812 ngx_close_file_n " \"%s\" failed",
|
|
|
813 file[i].name.data);
|
|
|
814 }
|
|
|
815 }
|
|
|
816
|
|
|
817 if (ngx_test_config) {
|
|
|
818 ngx_destroy_cycle_pools(&conf);
|
|
|
819 return NULL;
|
|
|
820 }
|
|
|
821
|
|
|
822 ls = cycle->listening.elts;
|
|
|
823 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
824 if (ls[i].fd == -1 || !ls[i].open) {
|
|
|
825 continue;
|
|
|
826 }
|
|
|
827
|
|
|
828 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
829 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
|
830 ngx_close_socket_n " %V failed",
|
|
|
831 &ls[i].addr_text);
|
|
|
832 }
|
|
|
833 }
|
|
|
834
|
|
|
835 ngx_destroy_cycle_pools(&conf);
|
|
|
836
|
|
|
837 return NULL;
|
|
0
|
838 }
|
|
|
839
|
|
|
840
|
|
154
|
841 static void
|
|
|
842 ngx_destroy_cycle_pools(ngx_conf_t *conf)
|
|
|
843 {
|
|
|
844 ngx_destroy_pool(conf->temp_pool);
|
|
|
845 ngx_destroy_pool(conf->pool);
|
|
|
846 }
|
|
|
847
|
|
|
848
|
|
112
|
849 static ngx_int_t
|
|
|
850 ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2)
|
|
10
|
851 {
|
|
448
|
852 struct sockaddr_in *sin1, *sin2;
|
|
|
853 #if (NGX_HAVE_INET6)
|
|
|
854 struct sockaddr_in6 *sin61, *sin62;
|
|
|
855 #endif
|
|
576
|
856 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
857 struct sockaddr_un *saun1, *saun2;
|
|
|
858 #endif
|
|
10
|
859
|
|
448
|
860 if (sa1->sa_family != sa2->sa_family) {
|
|
10
|
861 return NGX_DECLINED;
|
|
|
862 }
|
|
|
863
|
|
448
|
864 switch (sa1->sa_family) {
|
|
|
865
|
|
|
866 #if (NGX_HAVE_INET6)
|
|
|
867 case AF_INET6:
|
|
|
868 sin61 = (struct sockaddr_in6 *) sa1;
|
|
|
869 sin62 = (struct sockaddr_in6 *) sa2;
|
|
|
870
|
|
582
|
871 if (sin61->sin6_port != sin62->sin6_port) {
|
|
448
|
872 return NGX_DECLINED;
|
|
|
873 }
|
|
|
874
|
|
|
875 if (ngx_memcmp(&sin61->sin6_addr, &sin62->sin6_addr, 16) != 0) {
|
|
|
876 return NGX_DECLINED;
|
|
|
877 }
|
|
10
|
878
|
|
448
|
879 break;
|
|
|
880 #endif
|
|
|
881
|
|
576
|
882 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
883 case AF_UNIX:
|
|
|
884 saun1 = (struct sockaddr_un *) sa1;
|
|
|
885 saun2 = (struct sockaddr_un *) sa2;
|
|
|
886
|
|
|
887 if (ngx_memcmp(&saun1->sun_path, &saun2->sun_path,
|
|
|
888 sizeof(saun1->sun_path))
|
|
|
889 != 0)
|
|
|
890 {
|
|
|
891 return NGX_DECLINED;
|
|
|
892 }
|
|
|
893
|
|
|
894 break;
|
|
|
895 #endif
|
|
|
896
|
|
448
|
897 default: /* AF_INET */
|
|
|
898
|
|
|
899 sin1 = (struct sockaddr_in *) sa1;
|
|
|
900 sin2 = (struct sockaddr_in *) sa2;
|
|
10
|
901
|
|
448
|
902 if (sin1->sin_port != sin2->sin_port) {
|
|
|
903 return NGX_DECLINED;
|
|
|
904 }
|
|
|
905
|
|
|
906 if (sin1->sin_addr.s_addr != sin2->sin_addr.s_addr) {
|
|
|
907 return NGX_DECLINED;
|
|
|
908 }
|
|
|
909
|
|
|
910 break;
|
|
10
|
911 }
|
|
|
912
|
|
|
913 return NGX_OK;
|
|
|
914 }
|
|
|
915
|
|
|
916
|
|
480
|
917 static ngx_int_t
|
|
|
918 ngx_init_zone_pool(ngx_cycle_t *cycle, ngx_shm_zone_t *zn)
|
|
|
919 {
|
|
|
920 u_char *file;
|
|
|
921 ngx_slab_pool_t *sp;
|
|
|
922
|
|
|
923 sp = (ngx_slab_pool_t *) zn->shm.addr;
|
|
|
924
|
|
496
|
925 if (zn->shm.exists) {
|
|
|
926
|
|
|
927 if (sp == sp->addr) {
|
|
|
928 return NGX_OK;
|
|
|
929 }
|
|
|
930
|
|
|
931 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
932 "shared zone \"%V\" has no equal addresses: %p vs %p",
|
|
|
933 &zn->shm.name, sp->addr, sp);
|
|
|
934 return NGX_ERROR;
|
|
|
935 }
|
|
|
936
|
|
480
|
937 sp->end = zn->shm.addr + zn->shm.size;
|
|
|
938 sp->min_shift = 3;
|
|
496
|
939 sp->addr = zn->shm.addr;
|
|
480
|
940
|
|
|
941 #if (NGX_HAVE_ATOMIC_OPS)
|
|
|
942
|
|
|
943 file = NULL;
|
|
|
944
|
|
|
945 #else
|
|
|
946
|
|
|
947 file = ngx_pnalloc(cycle->pool, cycle->lock_file.len + zn->shm.name.len);
|
|
|
948 if (file == NULL) {
|
|
482
|
949 return NGX_ERROR;
|
|
480
|
950 }
|
|
|
951
|
|
|
952 (void) ngx_sprintf(file, "%V%V%Z", &cycle->lock_file, &zn->shm.name);
|
|
|
953
|
|
|
954 #endif
|
|
|
955
|
|
|
956 if (ngx_shmtx_create(&sp->mutex, (void *) &sp->lock, file) != NGX_OK) {
|
|
482
|
957 return NGX_ERROR;
|
|
480
|
958 }
|
|
|
959
|
|
|
960 ngx_slab_init(sp);
|
|
|
961
|
|
|
962 return NGX_OK;
|
|
|
963 }
|
|
|
964
|
|
0
|
965
|
|
112
|
966 ngx_int_t
|
|
160
|
967 ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log)
|
|
0
|
968 {
|
|
478
|
969 size_t len;
|
|
|
970 ngx_uint_t create;
|
|
|
971 ngx_file_t file;
|
|
|
972 u_char pid[NGX_INT64_LEN + 2];
|
|
0
|
973
|
|
480
|
974 if (ngx_process > NGX_PROCESS_MASTER) {
|
|
|
975 return NGX_OK;
|
|
|
976 }
|
|
|
977
|
|
0
|
978 ngx_memzero(&file, sizeof(ngx_file_t));
|
|
92
|
979
|
|
160
|
980 file.name = *name;
|
|
|
981 file.log = log;
|
|
0
|
982
|
|
478
|
983 create = ngx_test_config ? NGX_FILE_CREATE_OR_OPEN : NGX_FILE_TRUNCATE;
|
|
0
|
984
|
|
|
985 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR,
|
|
478
|
986 create, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
987
|
|
|
988 if (file.fd == NGX_INVALID_FILE) {
|
|
160
|
989 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
0
|
990 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
991 return NGX_ERROR;
|
|
|
992 }
|
|
|
993
|
|
|
994 if (!ngx_test_config) {
|
|
270
|
995 len = ngx_snprintf(pid, NGX_INT64_LEN + 2, "%P%N", ngx_pid) - pid;
|
|
10
|
996
|
|
0
|
997 if (ngx_write_file(&file, pid, len, 0) == NGX_ERROR) {
|
|
|
998 return NGX_ERROR;
|
|
|
999 }
|
|
|
1000 }
|
|
|
1001
|
|
|
1002 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
160
|
1003 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
0
|
1004 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
1005 }
|
|
|
1006
|
|
|
1007 return NGX_OK;
|
|
|
1008 }
|
|
|
1009
|
|
|
1010
|
|
112
|
1011 void
|
|
|
1012 ngx_delete_pidfile(ngx_cycle_t *cycle)
|
|
126
|
1013 {
|
|
0
|
1014 u_char *name;
|
|
|
1015 ngx_core_conf_t *ccf;
|
|
|
1016
|
|
|
1017 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
1018
|
|
92
|
1019 name = ngx_new_binary ? ccf->oldpid.data : ccf->pid.data;
|
|
0
|
1020
|
|
|
1021 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
|
|
|
1022 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1023 ngx_delete_file_n " \"%s\" failed", name);
|
|
|
1024 }
|
|
|
1025 }
|
|
|
1026
|
|
|
1027
|
|
482
|
1028 ngx_int_t
|
|
|
1029 ngx_signal_process(ngx_cycle_t *cycle, char *sig)
|
|
|
1030 {
|
|
|
1031 ssize_t n;
|
|
|
1032 ngx_int_t pid;
|
|
|
1033 ngx_file_t file;
|
|
|
1034 ngx_core_conf_t *ccf;
|
|
|
1035 u_char buf[NGX_INT64_LEN + 2];
|
|
|
1036
|
|
|
1037 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "signal process started");
|
|
|
1038
|
|
|
1039 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
1040
|
|
|
1041 file.name = ccf->pid;
|
|
|
1042 file.log = cycle->log;
|
|
|
1043
|
|
|
1044 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDONLY,
|
|
|
1045 NGX_FILE_OPEN, NGX_FILE_DEFAULT_ACCESS);
|
|
|
1046
|
|
|
1047 if (file.fd == NGX_INVALID_FILE) {
|
|
|
1048 ngx_log_error(NGX_LOG_ERR, cycle->log, ngx_errno,
|
|
|
1049 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
1050 return 1;
|
|
|
1051 }
|
|
|
1052
|
|
|
1053 n = ngx_read_file(&file, buf, NGX_INT64_LEN + 2, 0);
|
|
|
1054
|
|
|
1055 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
|
1056 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1057 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
1058 }
|
|
|
1059
|
|
|
1060 if (n == NGX_ERROR) {
|
|
|
1061 return 1;
|
|
|
1062 }
|
|
|
1063
|
|
|
1064 while (n-- && (buf[n] == CR || buf[n] == LF)) { /* void */ }
|
|
|
1065
|
|
|
1066 pid = ngx_atoi(buf, ++n);
|
|
|
1067
|
|
|
1068 if (pid == NGX_ERROR) {
|
|
|
1069 ngx_log_error(NGX_LOG_ERR, cycle->log, 0,
|
|
|
1070 "invalid PID number \"%*s\" in \"%s\"",
|
|
|
1071 n, buf, file.name.data);
|
|
|
1072 return 1;
|
|
|
1073 }
|
|
|
1074
|
|
|
1075 return ngx_os_signal_process(cycle, sig, pid);
|
|
|
1076
|
|
|
1077 }
|
|
|
1078
|
|
|
1079
|
|
160
|
1080 static ngx_int_t
|
|
|
1081 ngx_test_lockfile(u_char *file, ngx_log_t *log)
|
|
|
1082 {
|
|
|
1083 #if !(NGX_HAVE_ATOMIC_OPS)
|
|
|
1084 ngx_fd_t fd;
|
|
|
1085
|
|
284
|
1086 fd = ngx_open_file(file, NGX_FILE_RDWR, NGX_FILE_CREATE_OR_OPEN,
|
|
|
1087 NGX_FILE_DEFAULT_ACCESS);
|
|
160
|
1088
|
|
|
1089 if (fd == NGX_INVALID_FILE) {
|
|
|
1090 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
1091 ngx_open_file_n " \"%s\" failed", file);
|
|
|
1092 return NGX_ERROR;
|
|
|
1093 }
|
|
|
1094
|
|
|
1095 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1096 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
1097 ngx_close_file_n " \"%s\" failed", file);
|
|
|
1098 }
|
|
|
1099
|
|
|
1100 if (ngx_delete_file(file) == NGX_FILE_ERROR) {
|
|
|
1101 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
1102 ngx_delete_file_n " \"%s\" failed", file);
|
|
|
1103 }
|
|
|
1104
|
|
|
1105 #endif
|
|
|
1106
|
|
|
1107 return NGX_OK;
|
|
|
1108 }
|
|
|
1109
|
|
|
1110
|
|
112
|
1111 void
|
|
|
1112 ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user)
|
|
0
|
1113 {
|
|
418
|
1114 ssize_t n, len;
|
|
0
|
1115 ngx_fd_t fd;
|
|
|
1116 ngx_uint_t i;
|
|
|
1117 ngx_list_part_t *part;
|
|
|
1118 ngx_open_file_t *file;
|
|
|
1119
|
|
|
1120 part = &cycle->open_files.part;
|
|
|
1121 file = part->elts;
|
|
|
1122
|
|
|
1123 for (i = 0; /* void */ ; i++) {
|
|
|
1124
|
|
|
1125 if (i >= part->nelts) {
|
|
|
1126 if (part->next == NULL) {
|
|
|
1127 break;
|
|
|
1128 }
|
|
|
1129 part = part->next;
|
|
72
|
1130 file = part->elts;
|
|
0
|
1131 i = 0;
|
|
|
1132 }
|
|
|
1133
|
|
482
|
1134 if (file[i].name.len == 0) {
|
|
0
|
1135 continue;
|
|
|
1136 }
|
|
|
1137
|
|
418
|
1138 len = file[i].pos - file[i].buffer;
|
|
|
1139
|
|
|
1140 if (file[i].buffer && len != 0) {
|
|
|
1141
|
|
|
1142 n = ngx_write_fd(file[i].fd, file[i].buffer, len);
|
|
|
1143
|
|
|
1144 if (n == NGX_FILE_ERROR) {
|
|
|
1145 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1146 ngx_write_fd_n " to \"%s\" failed",
|
|
|
1147 file[i].name.data);
|
|
|
1148
|
|
|
1149 } else if (n != len) {
|
|
|
1150 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
1151 ngx_write_fd_n " to \"%s\" was incomplete: %z of %uz",
|
|
|
1152 file[i].name.data, n, len);
|
|
|
1153 }
|
|
|
1154
|
|
120
|
1155 file[i].pos = file[i].buffer;
|
|
|
1156 }
|
|
|
1157
|
|
470
|
1158 fd = ngx_open_file(file[i].name.data, NGX_FILE_APPEND,
|
|
|
1159 NGX_FILE_CREATE_OR_OPEN, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
1160
|
|
|
1161 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
1162 "reopen file \"%s\", old:%d new:%d",
|
|
|
1163 file[i].name.data, file[i].fd, fd);
|
|
|
1164
|
|
|
1165 if (fd == NGX_INVALID_FILE) {
|
|
|
1166 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1167 ngx_open_file_n " \"%s\" failed", file[i].name.data);
|
|
|
1168 continue;
|
|
|
1169 }
|
|
|
1170
|
|
478
|
1171 #if !(NGX_WIN32)
|
|
66
|
1172 if (user != (ngx_uid_t) NGX_CONF_UNSET_UINT) {
|
|
356
|
1173 ngx_file_info_t fi;
|
|
2
|
1174
|
|
484
|
1175 if (ngx_file_info((const char *) file[i].name.data, &fi)
|
|
|
1176 == NGX_FILE_ERROR)
|
|
|
1177 {
|
|
2
|
1178 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1179 ngx_file_info_n " \"%s\" failed",
|
|
|
1180 file[i].name.data);
|
|
|
1181
|
|
|
1182 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1183 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1184 ngx_close_file_n " \"%s\" failed",
|
|
|
1185 file[i].name.data);
|
|
|
1186 }
|
|
|
1187 }
|
|
|
1188
|
|
16
|
1189 if (fi.st_uid != user) {
|
|
|
1190 if (chown((const char *) file[i].name.data, user, -1) == -1) {
|
|
|
1191 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1192 "chown(\"%s\", %d) failed",
|
|
|
1193 file[i].name.data, user);
|
|
|
1194
|
|
|
1195 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1196 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1197 ngx_close_file_n " \"%s\" failed",
|
|
|
1198 file[i].name.data);
|
|
|
1199 }
|
|
|
1200 }
|
|
|
1201 }
|
|
|
1202
|
|
2
|
1203 if ((fi.st_mode & (S_IRUSR|S_IWUSR)) != (S_IRUSR|S_IWUSR)) {
|
|
|
1204
|
|
|
1205 fi.st_mode |= (S_IRUSR|S_IWUSR);
|
|
|
1206
|
|
|
1207 if (chmod((const char *) file[i].name.data, fi.st_mode) == -1) {
|
|
|
1208 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
16
|
1209 "chmod() \"%s\" failed", file[i].name.data);
|
|
2
|
1210
|
|
|
1211 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1212 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1213 ngx_close_file_n " \"%s\" failed",
|
|
|
1214 file[i].name.data);
|
|
|
1215 }
|
|
|
1216 }
|
|
|
1217 }
|
|
0
|
1218 }
|
|
|
1219
|
|
|
1220 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
|
|
|
1221 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1222 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
1223 file[i].name.data);
|
|
|
1224
|
|
|
1225 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1226 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1227 ngx_close_file_n " \"%s\" failed",
|
|
|
1228 file[i].name.data);
|
|
|
1229 }
|
|
|
1230
|
|
|
1231 continue;
|
|
|
1232 }
|
|
|
1233 #endif
|
|
|
1234
|
|
|
1235 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
1236 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1237 ngx_close_file_n " \"%s\" failed",
|
|
|
1238 file[i].name.data);
|
|
|
1239 }
|
|
|
1240
|
|
|
1241 file[i].fd = fd;
|
|
|
1242 }
|
|
|
1243
|
|
10
|
1244 #if !(NGX_WIN32)
|
|
0
|
1245
|
|
|
1246 if (cycle->log->file->fd != STDERR_FILENO) {
|
|
|
1247 if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) {
|
|
|
1248 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1249 "dup2(STDERR) failed");
|
|
|
1250 }
|
|
|
1251 }
|
|
|
1252
|
|
|
1253 #endif
|
|
|
1254 }
|
|
|
1255
|
|
|
1256
|
|
272
|
1257 ngx_shm_zone_t *
|
|
|
1258 ngx_shared_memory_add(ngx_conf_t *cf, ngx_str_t *name, size_t size, void *tag)
|
|
|
1259 {
|
|
|
1260 ngx_uint_t i;
|
|
|
1261 ngx_shm_zone_t *shm_zone;
|
|
|
1262 ngx_list_part_t *part;
|
|
|
1263
|
|
|
1264 part = &cf->cycle->shared_memory.part;
|
|
|
1265 shm_zone = part->elts;
|
|
|
1266
|
|
|
1267 for (i = 0; /* void */ ; i++) {
|
|
|
1268
|
|
|
1269 if (i >= part->nelts) {
|
|
|
1270 if (part->next == NULL) {
|
|
|
1271 break;
|
|
|
1272 }
|
|
|
1273 part = part->next;
|
|
|
1274 shm_zone = part->elts;
|
|
|
1275 i = 0;
|
|
|
1276 }
|
|
|
1277
|
|
480
|
1278 if (name->len != shm_zone[i].shm.name.len) {
|
|
272
|
1279 continue;
|
|
|
1280 }
|
|
|
1281
|
|
480
|
1282 if (ngx_strncmp(name->data, shm_zone[i].shm.name.data, name->len)
|
|
|
1283 != 0)
|
|
|
1284 {
|
|
272
|
1285 continue;
|
|
|
1286 }
|
|
|
1287
|
|
|
1288 if (size && size != shm_zone[i].shm.size) {
|
|
|
1289 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
480
|
1290 "the size %uz of shared memory zone \"%V\" "
|
|
|
1291 "conflicts with already declared size %uz",
|
|
|
1292 size, &shm_zone[i].shm.name, shm_zone[i].shm.size);
|
|
272
|
1293 return NULL;
|
|
|
1294 }
|
|
|
1295
|
|
|
1296 if (tag != shm_zone[i].tag) {
|
|
|
1297 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
480
|
1298 "the shared memory zone \"%V\" is "
|
|
|
1299 "already declared for a different use",
|
|
|
1300 &shm_zone[i].shm.name);
|
|
272
|
1301 return NULL;
|
|
|
1302 }
|
|
|
1303
|
|
|
1304 return &shm_zone[i];
|
|
|
1305 }
|
|
|
1306
|
|
|
1307 shm_zone = ngx_list_push(&cf->cycle->shared_memory);
|
|
|
1308
|
|
|
1309 if (shm_zone == NULL) {
|
|
|
1310 return NULL;
|
|
|
1311 }
|
|
|
1312
|
|
|
1313 shm_zone->data = NULL;
|
|
|
1314 shm_zone->shm.log = cf->cycle->log;
|
|
|
1315 shm_zone->shm.size = size;
|
|
480
|
1316 shm_zone->shm.name = *name;
|
|
|
1317 shm_zone->shm.exists = 0;
|
|
272
|
1318 shm_zone->init = NULL;
|
|
|
1319 shm_zone->tag = tag;
|
|
|
1320
|
|
|
1321 return shm_zone;
|
|
|
1322 }
|
|
|
1323
|
|
|
1324
|
|
112
|
1325 static void
|
|
|
1326 ngx_clean_old_cycles(ngx_event_t *ev)
|
|
0
|
1327 {
|
|
|
1328 ngx_uint_t i, n, found, live;
|
|
|
1329 ngx_log_t *log;
|
|
|
1330 ngx_cycle_t **cycle;
|
|
|
1331
|
|
|
1332 log = ngx_cycle->log;
|
|
|
1333 ngx_temp_pool->log = log;
|
|
|
1334
|
|
|
1335 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycles");
|
|
|
1336
|
|
|
1337 live = 0;
|
|
|
1338
|
|
|
1339 cycle = ngx_old_cycles.elts;
|
|
|
1340 for (i = 0; i < ngx_old_cycles.nelts; i++) {
|
|
|
1341
|
|
|
1342 if (cycle[i] == NULL) {
|
|
|
1343 continue;
|
|
|
1344 }
|
|
|
1345
|
|
|
1346 found = 0;
|
|
|
1347
|
|
|
1348 for (n = 0; n < cycle[i]->connection_n; n++) {
|
|
110
|
1349 if (cycle[i]->connections[n].fd != (ngx_socket_t) -1) {
|
|
0
|
1350 found = 1;
|
|
|
1351
|
|
|
1352 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "live fd:%d", n);
|
|
|
1353
|
|
|
1354 break;
|
|
|
1355 }
|
|
|
1356 }
|
|
|
1357
|
|
|
1358 if (found) {
|
|
|
1359 live = 1;
|
|
|
1360 continue;
|
|
|
1361 }
|
|
|
1362
|
|
|
1363 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycle: %d", i);
|
|
|
1364
|
|
|
1365 ngx_destroy_pool(cycle[i]->pool);
|
|
|
1366 cycle[i] = NULL;
|
|
|
1367 }
|
|
|
1368
|
|
|
1369 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "old cycles status: %d", live);
|
|
|
1370
|
|
|
1371 if (live) {
|
|
|
1372 ngx_add_timer(ev, 30000);
|
|
|
1373
|
|
|
1374 } else {
|
|
|
1375 ngx_destroy_pool(ngx_temp_pool);
|
|
|
1376 ngx_temp_pool = NULL;
|
|
|
1377 ngx_old_cycles.nelts = 0;
|
|
|
1378 }
|
|
|
1379 }
|
