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