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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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596
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27 ngx_uint_t ngx_quiet_mode;
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0
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28
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29 #if (NGX_THREADS)
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30 ngx_tls_key_t ngx_core_tls_key;
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31 #endif
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32
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33
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34 /* STUB NAME */
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35 static ngx_connection_t dumb;
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36 /* STUB */
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37
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38 static ngx_str_t error_log = ngx_string(NGX_ERROR_LOG_PATH);
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39
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40
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112
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41 ngx_cycle_t *
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42 ngx_init_cycle(ngx_cycle_t *old_cycle)
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0
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43 {
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356
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44 void *rv;
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45 char **senv, **env;
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46 ngx_uint_t i, n;
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47 ngx_log_t *log;
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404
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48 ngx_time_t *tp;
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356
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49 ngx_conf_t conf;
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50 ngx_pool_t *pool;
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51 ngx_cycle_t *cycle, **old;
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52 ngx_shm_zone_t *shm_zone, *oshm_zone;
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53 ngx_list_part_t *part, *opart;
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54 ngx_open_file_t *file;
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55 ngx_listening_t *ls, *nls;
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56 ngx_core_conf_t *ccf, *old_ccf;
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57 ngx_core_module_t *module;
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376
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58 char hostname[NGX_MAXHOSTNAMELEN];
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0
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59
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404
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60 ngx_timezone_update();
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61
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62 /* force localtime update with a new timezone */
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63
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64 tp = ngx_timeofday();
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65 tp->sec = 0;
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66
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566
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67 ngx_time_update();
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404
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68
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69
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0
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70 log = old_cycle->log;
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71
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56
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72 pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
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50
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73 if (pool == NULL) {
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0
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74 return NULL;
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75 }
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76 pool->log = log;
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77
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50
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78 cycle = ngx_pcalloc(pool, sizeof(ngx_cycle_t));
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79 if (cycle == NULL) {
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0
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80 ngx_destroy_pool(pool);
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81 return NULL;
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82 }
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50
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83
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0
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84 cycle->pool = pool;
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85 cycle->log = log;
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484
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86 cycle->new_log.log_level = NGX_LOG_ERR;
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0
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87 cycle->old_cycle = old_cycle;
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88
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482
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89 cycle->conf_prefix.len = old_cycle->conf_prefix.len;
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90 cycle->conf_prefix.data = ngx_pstrdup(pool, &old_cycle->conf_prefix);
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91 if (cycle->conf_prefix.data == NULL) {
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92 ngx_destroy_pool(pool);
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93 return NULL;
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94 }
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95
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96 cycle->prefix.len = old_cycle->prefix.len;
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97 cycle->prefix.data = ngx_pstrdup(pool, &old_cycle->prefix);
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98 if (cycle->prefix.data == NULL) {
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99 ngx_destroy_pool(pool);
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100 return NULL;
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101 }
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0
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102
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154
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103 cycle->conf_file.len = old_cycle->conf_file.len;
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382
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104 cycle->conf_file.data = ngx_pnalloc(pool, old_cycle->conf_file.len + 1);
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154
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105 if (cycle->conf_file.data == NULL) {
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106 ngx_destroy_pool(pool);
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107 return NULL;
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108 }
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109 ngx_cpystrn(cycle->conf_file.data, old_cycle->conf_file.data,
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110 old_cycle->conf_file.len + 1);
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111
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384
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112 cycle->conf_param.len = old_cycle->conf_param.len;
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482
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113 cycle->conf_param.data = ngx_pstrdup(pool, &old_cycle->conf_param);
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384
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114 if (cycle->conf_param.data == NULL) {
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115 ngx_destroy_pool(pool);
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116 return NULL;
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117 }
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118
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119
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0
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120 n = old_cycle->pathes.nelts ? old_cycle->pathes.nelts : 10;
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50
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121
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122 cycle->pathes.elts = ngx_pcalloc(pool, n * sizeof(ngx_path_t *));
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123 if (cycle->pathes.elts == NULL) {
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0
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124 ngx_destroy_pool(pool);
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125 return NULL;
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126 }
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50
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127
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0
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128 cycle->pathes.nelts = 0;
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129 cycle->pathes.size = sizeof(ngx_path_t *);
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130 cycle->pathes.nalloc = n;
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131 cycle->pathes.pool = pool;
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132
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133
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134 if (old_cycle->open_files.part.nelts) {
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135 n = old_cycle->open_files.part.nelts;
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136 for (part = old_cycle->open_files.part.next; part; part = part->next) {
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137 n += part->nelts;
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138 }
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139
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140 } else {
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141 n = 20;
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142 }
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143
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144 if (ngx_list_init(&cycle->open_files, pool, n, sizeof(ngx_open_file_t))
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454
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145 != NGX_OK)
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0
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146 {
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147 ngx_destroy_pool(pool);
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148 return NULL;
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149 }
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150
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151
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258
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152 if (old_cycle->shared_memory.part.nelts) {
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153 n = old_cycle->shared_memory.part.nelts;
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154 for (part = old_cycle->shared_memory.part.next; part; part = part->next)
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155 {
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156 n += part->nelts;
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157 }
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158
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159 } else {
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160 n = 1;
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161 }
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162
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163 if (ngx_list_init(&cycle->shared_memory, pool, n, sizeof(ngx_shm_zone_t))
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454
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164 != NGX_OK)
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258
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165 {
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166 ngx_destroy_pool(pool);
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167 return NULL;
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168 }
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169
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0
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170 n = old_cycle->listening.nelts ? old_cycle->listening.nelts : 10;
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50
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171
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0
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172 cycle->listening.elts = ngx_pcalloc(pool, n * sizeof(ngx_listening_t));
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173 if (cycle->listening.elts == NULL) {
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174 ngx_destroy_pool(pool);
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175 return NULL;
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176 }
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50
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177
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0
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178 cycle->listening.nelts = 0;
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179 cycle->listening.size = sizeof(ngx_listening_t);
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180 cycle->listening.nalloc = n;
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181 cycle->listening.pool = pool;
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182
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183
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618
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184 ngx_queue_init(&cycle->reusable_connections_queue);
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185
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186
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0
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187 cycle->conf_ctx = ngx_pcalloc(pool, ngx_max_module * sizeof(void *));
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188 if (cycle->conf_ctx == NULL) {
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189 ngx_destroy_pool(pool);
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190 return NULL;
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191 }
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192
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193
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376
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194 if (gethostname(hostname, NGX_MAXHOSTNAMELEN) == -1) {
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195 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "gethostname() failed");
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196 ngx_destroy_pool(pool);
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197 return NULL;
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198 }
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199
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200 /* on Linux gethostname() silently truncates name that does not fit */
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201
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202 hostname[NGX_MAXHOSTNAMELEN - 1] = '\0';
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203 cycle->hostname.len = ngx_strlen(hostname);
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204
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382
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205 cycle->hostname.data = ngx_pnalloc(pool, cycle->hostname.len);
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376
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206 if (cycle->hostname.data == NULL) {
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207 ngx_destroy_pool(pool);
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208 return NULL;
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209 }
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210
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538
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211 ngx_strlow(cycle->hostname.data, (u_char *) hostname, cycle->hostname.len);
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376
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212
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213
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0
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214 for (i = 0; ngx_modules[i]; i++) {
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215 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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216 continue;
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217 }
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218
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219 module = ngx_modules[i]->ctx;
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220
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221 if (module->create_conf) {
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222 rv = module->create_conf(cycle);
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496
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223 if (rv == NULL) {
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0
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224 ngx_destroy_pool(pool);
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225 return NULL;
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226 }
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227 cycle->conf_ctx[ngx_modules[i]->index] = rv;
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228 }
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229 }
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230
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231
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356
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232 senv = environ;
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233
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234
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0
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235 ngx_memzero(&conf, sizeof(ngx_conf_t));
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236 /* STUB: init array ? */
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50
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237 conf.args = ngx_array_create(pool, 10, sizeof(ngx_str_t));
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0
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238 if (conf.args == NULL) {
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239 ngx_destroy_pool(pool);
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240 return NULL;
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241 }
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242
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142
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243 conf.temp_pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
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244 if (conf.temp_pool == NULL) {
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245 ngx_destroy_pool(pool);
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246 return NULL;
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247 }
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248
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154
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249
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0
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250 conf.ctx = cycle->conf_ctx;
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251 conf.cycle = cycle;
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252 conf.pool = pool;
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253 conf.log = log;
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254 conf.module_type = NGX_CORE_MODULE;
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255 conf.cmd_type = NGX_MAIN_CONF;
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256
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4
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257 #if 0
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258 log->log_level = NGX_LOG_DEBUG_ALL;
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259 #endif
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0
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260
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384
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261 if (ngx_conf_param(&conf) != NGX_CONF_OK) {
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528
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262 environ = senv;
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384
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263 ngx_destroy_cycle_pools(&conf);
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264 return NULL;
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265 }
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266
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0
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267 if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) {
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528
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268 environ = senv;
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154
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269 ngx_destroy_cycle_pools(&conf);
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0
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270 return NULL;
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271 }
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272
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596
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273 if (ngx_test_config && !ngx_quiet_mode) {
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482
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274 ngx_log_stderr(0, "the configuration file %s syntax is ok",
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480
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275 cycle->conf_file.data);
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0
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276 }
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277
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278 for (i = 0; ngx_modules[i]; i++) {
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279 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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280 continue;
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281 }
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282
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283 module = ngx_modules[i]->ctx;
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284
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285 if (module->init_conf) {
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286 if (module->init_conf(cycle, cycle->conf_ctx[ngx_modules[i]->index])
|
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142
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287 == NGX_CONF_ERROR)
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0
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288 {
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528
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289 environ = senv;
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154
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290 ngx_destroy_cycle_pools(&conf);
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0
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291 return NULL;
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292 }
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293 }
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294 }
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295
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498
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296 if (ngx_process == NGX_PROCESS_SIGNALLER) {
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297 return cycle;
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298 }
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0
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299
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160
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300 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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0
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301
|
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160
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302 if (ngx_test_config) {
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303
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304 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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305 goto failed;
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306 }
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307
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|
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308 } else if (!ngx_is_init_cycle(old_cycle)) {
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309
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|
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310 /*
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311 * we do not create the pid file in the first ngx_init_cycle() call
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312 * because we need to write the demonized process pid
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313 */
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314
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315 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
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316 ngx_core_module);
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317 if (ccf->pid.len != old_ccf->pid.len
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318 || ngx_strcmp(ccf->pid.data, old_ccf->pid.data) != 0)
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319 {
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320 /* new pid file name */
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321
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|
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322 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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323 goto failed;
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|
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324 }
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325
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326 ngx_delete_pidfile(old_cycle);
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327 }
|
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0
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328 }
|
|
160
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329
|
|
0
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330
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258
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331 if (ngx_test_lockfile(cycle->lock_file.data, log) != NGX_OK) {
|
|
160
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332 goto failed;
|
|
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333 }
|
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16
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334
|
|
160
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335
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|
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336 if (ngx_create_pathes(cycle, ccf->user) != NGX_OK) {
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337 goto failed;
|
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16
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338 }
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|
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339
|
|
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340
|
|
484
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341 if (cycle->new_log.file == NULL) {
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|
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342 cycle->new_log.file = ngx_conf_open_file(cycle, &error_log);
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|
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343 if (cycle->new_log.file == NULL) {
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344 goto failed;
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345 }
|
|
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346 }
|
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347
|
|
160
|
348 /* open the new files */
|
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0
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349
|
|
160
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350 part = &cycle->open_files.part;
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|
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351 file = part->elts;
|
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0
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352
|
|
160
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353 for (i = 0; /* void */ ; i++) {
|
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0
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354
|
|
160
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355 if (i >= part->nelts) {
|
|
|
356 if (part->next == NULL) {
|
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0
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357 break;
|
|
|
358 }
|
|
160
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359 part = part->next;
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|
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360 file = part->elts;
|
|
|
361 i = 0;
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|
|
362 }
|
|
|
363
|
|
482
|
364 if (file[i].name.len == 0) {
|
|
160
|
365 continue;
|
|
|
366 }
|
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367
|
|
470
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368 file[i].fd = ngx_open_file(file[i].name.data,
|
|
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369 NGX_FILE_APPEND,
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|
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370 NGX_FILE_CREATE_OR_OPEN,
|
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276
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371 NGX_FILE_DEFAULT_ACCESS);
|
|
160
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372
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|
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373 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
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|
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374 "log: %p %d \"%s\"",
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|
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375 &file[i], file[i].fd, file[i].name.data);
|
|
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376
|
|
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377 if (file[i].fd == NGX_INVALID_FILE) {
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378 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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|
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379 ngx_open_file_n " \"%s\" failed",
|
|
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380 file[i].name.data);
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|
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381 goto failed;
|
|
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382 }
|
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0
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383
|
|
478
|
384 #if !(NGX_WIN32)
|
|
160
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385 if (fcntl(file[i].fd, F_SETFD, FD_CLOEXEC) == -1) {
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|
|
386 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
387 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
388 file[i].name.data);
|
|
|
389 goto failed;
|
|
|
390 }
|
|
0
|
391 #endif
|
|
|
392 }
|
|
|
393
|
|
484
|
394 cycle->log = &cycle->new_log;
|
|
|
395 pool->log = &cycle->new_log;
|
|
440
|
396
|
|
10
|
397
|
|
258
|
398 /* create shared memory */
|
|
|
399
|
|
|
400 part = &cycle->shared_memory.part;
|
|
272
|
401 shm_zone = part->elts;
|
|
258
|
402
|
|
|
403 for (i = 0; /* void */ ; i++) {
|
|
|
404
|
|
|
405 if (i >= part->nelts) {
|
|
|
406 if (part->next == NULL) {
|
|
|
407 break;
|
|
|
408 }
|
|
|
409 part = part->next;
|
|
272
|
410 shm_zone = part->elts;
|
|
258
|
411 i = 0;
|
|
|
412 }
|
|
|
413
|
|
272
|
414 if (shm_zone[i].shm.size == 0) {
|
|
|
415 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
|
416 "zero size shared memory zone \"%V\"",
|
|
480
|
417 &shm_zone[i].shm.name);
|
|
272
|
418 goto failed;
|
|
|
419 }
|
|
|
420
|
|
|
421 shm_zone[i].shm.log = cycle->log;
|
|
258
|
422
|
|
|
423 opart = &old_cycle->shared_memory.part;
|
|
272
|
424 oshm_zone = opart->elts;
|
|
258
|
425
|
|
|
426 for (n = 0; /* void */ ; n++) {
|
|
|
427
|
|
|
428 if (n >= opart->nelts) {
|
|
|
429 if (opart->next == NULL) {
|
|
|
430 break;
|
|
|
431 }
|
|
|
432 opart = opart->next;
|
|
272
|
433 oshm_zone = opart->elts;
|
|
258
|
434 n = 0;
|
|
|
435 }
|
|
|
436
|
|
480
|
437 if (shm_zone[i].shm.name.len != oshm_zone[n].shm.name.len) {
|
|
272
|
438 continue;
|
|
|
439 }
|
|
|
440
|
|
480
|
441 if (ngx_strncmp(shm_zone[i].shm.name.data,
|
|
|
442 oshm_zone[n].shm.name.data,
|
|
|
443 shm_zone[i].shm.name.len)
|
|
272
|
444 != 0)
|
|
|
445 {
|
|
258
|
446 continue;
|
|
|
447 }
|
|
|
448
|
|
272
|
449 if (shm_zone[i].shm.size == oshm_zone[n].shm.size) {
|
|
|
450 shm_zone[i].shm.addr = oshm_zone[n].shm.addr;
|
|
|
451
|
|
|
452 if (shm_zone[i].init(&shm_zone[i], oshm_zone[n].data)
|
|
|
453 != NGX_OK)
|
|
|
454 {
|
|
|
455 goto failed;
|
|
|
456 }
|
|
|
457
|
|
|
458 goto shm_zone_found;
|
|
258
|
459 }
|
|
|
460
|
|
272
|
461 ngx_shm_free(&oshm_zone[n].shm);
|
|
258
|
462
|
|
|
463 break;
|
|
|
464 }
|
|
|
465
|
|
272
|
466 if (ngx_shm_alloc(&shm_zone[i].shm) != NGX_OK) {
|
|
258
|
467 goto failed;
|
|
|
468 }
|
|
|
469
|
|
496
|
470 if (ngx_init_zone_pool(cycle, &shm_zone[i]) != NGX_OK) {
|
|
|
471 goto failed;
|
|
258
|
472 }
|
|
|
473
|
|
272
|
474 if (shm_zone[i].init(&shm_zone[i], NULL) != NGX_OK) {
|
|
|
475 goto failed;
|
|
|
476 }
|
|
|
477
|
|
|
478 shm_zone_found:
|
|
258
|
479
|
|
|
480 continue;
|
|
|
481 }
|
|
|
482
|
|
|
483
|
|
160
|
484 /* handle the listening sockets */
|
|
10
|
485
|
|
160
|
486 if (old_cycle->listening.nelts) {
|
|
|
487 ls = old_cycle->listening.elts;
|
|
|
488 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
489 ls[i].remain = 0;
|
|
|
490 }
|
|
0
|
491
|
|
160
|
492 nls = cycle->listening.elts;
|
|
|
493 for (n = 0; n < cycle->listening.nelts; n++) {
|
|
10
|
494
|
|
160
|
495 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
496 if (ls[i].ignore) {
|
|
|
497 continue;
|
|
|
498 }
|
|
0
|
499
|
|
160
|
500 if (ngx_cmp_sockaddr(nls[n].sockaddr, ls[i].sockaddr) == NGX_OK)
|
|
|
501 {
|
|
|
502 nls[n].fd = ls[i].fd;
|
|
|
503 nls[n].previous = &ls[i];
|
|
|
504 ls[i].remain = 1;
|
|
72
|
505
|
|
160
|
506 if (ls[n].backlog != nls[i].backlog) {
|
|
|
507 nls[n].listen = 1;
|
|
|
508 }
|
|
86
|
509
|
|
72
|
510 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
511
|
|
160
|
512 /*
|
|
|
513 * FreeBSD, except the most recent versions,
|
|
|
514 * could not remove accept filter
|
|
|
515 */
|
|
|
516 nls[n].deferred_accept = ls[i].deferred_accept;
|
|
72
|
517
|
|
160
|
518 if (ls[i].accept_filter && nls[n].accept_filter) {
|
|
|
519 if (ngx_strcmp(ls[i].accept_filter,
|
|
|
520 nls[n].accept_filter)
|
|
|
521 != 0)
|
|
|
522 {
|
|
72
|
523 nls[n].delete_deferred = 1;
|
|
|
524 nls[n].add_deferred = 1;
|
|
|
525 }
|
|
160
|
526
|
|
|
527 } else if (ls[i].accept_filter) {
|
|
|
528 nls[n].delete_deferred = 1;
|
|
|
529
|
|
|
530 } else if (nls[n].accept_filter) {
|
|
|
531 nls[n].add_deferred = 1;
|
|
|
532 }
|
|
72
|
533 #endif
|
|
|
534
|
|
|
535 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
536
|
|
160
|
537 if (ls[n].deferred_accept && !nls[n].deferred_accept) {
|
|
|
538 nls[n].delete_deferred = 1;
|
|
72
|
539
|
|
160
|
540 } else if (ls[i].deferred_accept != nls[n].deferred_accept)
|
|
|
541 {
|
|
|
542 nls[n].add_deferred = 1;
|
|
|
543 }
|
|
72
|
544 #endif
|
|
160
|
545 break;
|
|
0
|
546 }
|
|
|
547 }
|
|
|
548
|
|
160
|
549 if (nls[n].fd == -1) {
|
|
|
550 nls[n].open = 1;
|
|
0
|
551 }
|
|
|
552 }
|
|
|
553
|
|
160
|
554 } else {
|
|
|
555 ls = cycle->listening.elts;
|
|
|
556 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
557 ls[i].open = 1;
|
|
|
558 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
559 if (ls[i].accept_filter) {
|
|
|
560 ls[i].add_deferred = 1;
|
|
0
|
561 }
|
|
160
|
562 #endif
|
|
|
563 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
564 if (ls[i].deferred_accept) {
|
|
|
565 ls[i].add_deferred = 1;
|
|
72
|
566 }
|
|
160
|
567 #endif
|
|
0
|
568 }
|
|
|
569 }
|
|
|
570
|
|
498
|
571 if (ngx_open_listening_sockets(cycle) != NGX_OK) {
|
|
|
572 goto failed;
|
|
|
573 }
|
|
0
|
574
|
|
498
|
575 if (!ngx_test_config) {
|
|
|
576 ngx_configure_listening_sockets(cycle);
|
|
0
|
577 }
|
|
|
578
|
|
|
579
|
|
|
580 /* commit the new cycle configuration */
|
|
|
581
|
|
482
|
582 if (!ngx_use_stderr && cycle->log->file->fd != ngx_stderr) {
|
|
0
|
583
|
|
482
|
584 if (ngx_set_stderr(cycle->log->file->fd) == NGX_FILE_ERROR) {
|
|
|
585 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
586 ngx_set_stderr_n " failed");
|
|
0
|
587 }
|
|
|
588 }
|
|
|
589
|
|
|
590 pool->log = cycle->log;
|
|
|
591
|
|
|
592 for (i = 0; ngx_modules[i]; i++) {
|
|
|
593 if (ngx_modules[i]->init_module) {
|
|
160
|
594 if (ngx_modules[i]->init_module(cycle) != NGX_OK) {
|
|
0
|
595 /* fatal */
|
|
|
596 exit(1);
|
|
|
597 }
|
|
|
598 }
|
|
|
599 }
|
|
|
600
|
|
16
|
601
|
|
0
|
602 /* close and delete stuff that lefts from an old cycle */
|
|
|
603
|
|
272
|
604 /* free the unnecessary shared memory */
|
|
|
605
|
|
|
606 opart = &old_cycle->shared_memory.part;
|
|
|
607 oshm_zone = opart->elts;
|
|
|
608
|
|
|
609 for (i = 0; /* void */ ; i++) {
|
|
|
610
|
|
|
611 if (i >= opart->nelts) {
|
|
|
612 if (opart->next == NULL) {
|
|
|
613 goto old_shm_zone_done;
|
|
|
614 }
|
|
|
615 opart = opart->next;
|
|
|
616 oshm_zone = opart->elts;
|
|
|
617 i = 0;
|
|
|
618 }
|
|
|
619
|
|
|
620 part = &cycle->shared_memory.part;
|
|
|
621 shm_zone = part->elts;
|
|
|
622
|
|
|
623 for (n = 0; /* void */ ; n++) {
|
|
|
624
|
|
|
625 if (n >= part->nelts) {
|
|
|
626 if (part->next == NULL) {
|
|
|
627 break;
|
|
|
628 }
|
|
|
629 part = part->next;
|
|
|
630 shm_zone = part->elts;
|
|
|
631 n = 0;
|
|
|
632 }
|
|
|
633
|
|
480
|
634 if (oshm_zone[i].shm.name.len == shm_zone[n].shm.name.len
|
|
|
635 && ngx_strncmp(oshm_zone[i].shm.name.data,
|
|
|
636 shm_zone[n].shm.name.data,
|
|
|
637 oshm_zone[i].shm.name.len)
|
|
272
|
638 == 0)
|
|
|
639 {
|
|
|
640 goto live_shm_zone;
|
|
|
641 }
|
|
|
642 }
|
|
|
643
|
|
|
644 ngx_shm_free(&oshm_zone[i].shm);
|
|
|
645
|
|
|
646 live_shm_zone:
|
|
|
647
|
|
|
648 continue;
|
|
|
649 }
|
|
|
650
|
|
|
651 old_shm_zone_done:
|
|
|
652
|
|
|
653
|
|
|
654 /* close the unnecessary listening sockets */
|
|
0
|
655
|
|
|
656 ls = old_cycle->listening.elts;
|
|
|
657 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
498
|
658
|
|
|
659 if (ls[i].remain || ls[i].fd == -1) {
|
|
0
|
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 }
|
|
576
|
668
|
|
|
669 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
670
|
|
|
671 if (ls[i].sockaddr->sa_family == AF_UNIX) {
|
|
|
672 u_char *name;
|
|
|
673
|
|
|
674 name = ls[i].addr_text.data + sizeof("unix:") - 1;
|
|
|
675
|
|
|
676 ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
677 "deleting socket %s", name);
|
|
|
678
|
|
|
679 if (ngx_delete_file(name) == -1) {
|
|
|
680 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
|
|
|
681 ngx_delete_file_n " %s failed", name);
|
|
|
682 }
|
|
|
683 }
|
|
|
684
|
|
|
685 #endif
|
|
0
|
686 }
|
|
|
687
|
|
|
688
|
|
272
|
689 /* close the unnecessary open files */
|
|
0
|
690
|
|
|
691 part = &old_cycle->open_files.part;
|
|
|
692 file = part->elts;
|
|
|
693
|
|
|
694 for (i = 0; /* void */ ; i++) {
|
|
|
695
|
|
|
696 if (i >= part->nelts) {
|
|
|
697 if (part->next == NULL) {
|
|
|
698 break;
|
|
|
699 }
|
|
|
700 part = part->next;
|
|
|
701 file = part->elts;
|
|
|
702 i = 0;
|
|
|
703 }
|
|
|
704
|
|
482
|
705 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr) {
|
|
0
|
706 continue;
|
|
|
707 }
|
|
|
708
|
|
|
709 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
710 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
711 ngx_close_file_n " \"%s\" failed",
|
|
|
712 file[i].name.data);
|
|
|
713 }
|
|
|
714 }
|
|
|
715
|
|
142
|
716 ngx_destroy_pool(conf.temp_pool);
|
|
|
717
|
|
154
|
718 if (ngx_process == NGX_PROCESS_MASTER || ngx_is_init_cycle(old_cycle)) {
|
|
|
719
|
|
356
|
720 /*
|
|
528
|
721 * perl_destruct() frees environ, if it is not the same as it was at
|
|
|
722 * perl_construct() time, therefore we save the previous cycle
|
|
356
|
723 * environment before ngx_conf_parse() where it will be changed.
|
|
|
724 */
|
|
|
725
|
|
|
726 env = environ;
|
|
|
727 environ = senv;
|
|
|
728
|
|
0
|
729 ngx_destroy_pool(old_cycle->pool);
|
|
160
|
730 cycle->old_cycle = NULL;
|
|
|
731
|
|
356
|
732 environ = env;
|
|
|
733
|
|
0
|
734 return cycle;
|
|
|
735 }
|
|
|
736
|
|
|
737
|
|
|
738 if (ngx_temp_pool == NULL) {
|
|
|
739 ngx_temp_pool = ngx_create_pool(128, cycle->log);
|
|
|
740 if (ngx_temp_pool == NULL) {
|
|
|
741 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
742 "can not create ngx_temp_pool");
|
|
|
743 exit(1);
|
|
|
744 }
|
|
|
745
|
|
|
746 n = 10;
|
|
|
747 ngx_old_cycles.elts = ngx_pcalloc(ngx_temp_pool,
|
|
|
748 n * sizeof(ngx_cycle_t *));
|
|
|
749 if (ngx_old_cycles.elts == NULL) {
|
|
|
750 exit(1);
|
|
|
751 }
|
|
|
752 ngx_old_cycles.nelts = 0;
|
|
|
753 ngx_old_cycles.size = sizeof(ngx_cycle_t *);
|
|
|
754 ngx_old_cycles.nalloc = n;
|
|
|
755 ngx_old_cycles.pool = ngx_temp_pool;
|
|
|
756
|
|
58
|
757 ngx_cleaner_event.handler = ngx_clean_old_cycles;
|
|
0
|
758 ngx_cleaner_event.log = cycle->log;
|
|
|
759 ngx_cleaner_event.data = &dumb;
|
|
|
760 dumb.fd = (ngx_socket_t) -1;
|
|
|
761 }
|
|
|
762
|
|
|
763 ngx_temp_pool->log = cycle->log;
|
|
|
764
|
|
50
|
765 old = ngx_array_push(&ngx_old_cycles);
|
|
0
|
766 if (old == NULL) {
|
|
|
767 exit(1);
|
|
|
768 }
|
|
|
769 *old = old_cycle;
|
|
|
770
|
|
|
771 if (!ngx_cleaner_event.timer_set) {
|
|
|
772 ngx_add_timer(&ngx_cleaner_event, 30000);
|
|
|
773 ngx_cleaner_event.timer_set = 1;
|
|
|
774 }
|
|
|
775
|
|
|
776 return cycle;
|
|
160
|
777
|
|
|
778
|
|
|
779 failed:
|
|
|
780
|
|
296
|
781 if (!ngx_is_init_cycle(old_cycle)) {
|
|
|
782 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
|
|
|
783 ngx_core_module);
|
|
|
784 if (old_ccf->environment) {
|
|
|
785 environ = old_ccf->environment;
|
|
|
786 }
|
|
|
787 }
|
|
|
788
|
|
160
|
789 /* rollback the new cycle configuration */
|
|
|
790
|
|
|
791 part = &cycle->open_files.part;
|
|
|
792 file = part->elts;
|
|
|
793
|
|
|
794 for (i = 0; /* void */ ; i++) {
|
|
|
795
|
|
|
796 if (i >= part->nelts) {
|
|
|
797 if (part->next == NULL) {
|
|
|
798 break;
|
|
|
799 }
|
|
|
800 part = part->next;
|
|
|
801 file = part->elts;
|
|
|
802 i = 0;
|
|
|
803 }
|
|
|
804
|
|
482
|
805 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr) {
|
|
160
|
806 continue;
|
|
|
807 }
|
|
|
808
|
|
|
809 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
810 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
811 ngx_close_file_n " \"%s\" failed",
|
|
|
812 file[i].name.data);
|
|
|
813 }
|
|
|
814 }
|
|
|
815
|
|
|
816 if (ngx_test_config) {
|
|
|
817 ngx_destroy_cycle_pools(&conf);
|
|
|
818 return NULL;
|
|
|
819 }
|
|
|
820
|
|
|
821 ls = cycle->listening.elts;
|
|
|
822 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
823 if (ls[i].fd == -1 || !ls[i].open) {
|
|
|
824 continue;
|
|
|
825 }
|
|
|
826
|
|
|
827 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
828 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
|
829 ngx_close_socket_n " %V failed",
|
|
|
830 &ls[i].addr_text);
|
|
|
831 }
|
|
|
832 }
|
|
|
833
|
|
|
834 ngx_destroy_cycle_pools(&conf);
|
|
|
835
|
|
|
836 return NULL;
|
|
0
|
837 }
|
|
|
838
|
|
|
839
|
|
154
|
840 static void
|
|
|
841 ngx_destroy_cycle_pools(ngx_conf_t *conf)
|
|
|
842 {
|
|
|
843 ngx_destroy_pool(conf->temp_pool);
|
|
|
844 ngx_destroy_pool(conf->pool);
|
|
|
845 }
|
|
|
846
|
|
|
847
|
|
112
|
848 static ngx_int_t
|
|
|
849 ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2)
|
|
10
|
850 {
|
|
448
|
851 struct sockaddr_in *sin1, *sin2;
|
|
|
852 #if (NGX_HAVE_INET6)
|
|
|
853 struct sockaddr_in6 *sin61, *sin62;
|
|
|
854 #endif
|
|
576
|
855 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
856 struct sockaddr_un *saun1, *saun2;
|
|
|
857 #endif
|
|
10
|
858
|
|
448
|
859 if (sa1->sa_family != sa2->sa_family) {
|
|
10
|
860 return NGX_DECLINED;
|
|
|
861 }
|
|
|
862
|
|
448
|
863 switch (sa1->sa_family) {
|
|
|
864
|
|
|
865 #if (NGX_HAVE_INET6)
|
|
|
866 case AF_INET6:
|
|
|
867 sin61 = (struct sockaddr_in6 *) sa1;
|
|
|
868 sin62 = (struct sockaddr_in6 *) sa2;
|
|
|
869
|
|
582
|
870 if (sin61->sin6_port != sin62->sin6_port) {
|
|
448
|
871 return NGX_DECLINED;
|
|
|
872 }
|
|
|
873
|
|
|
874 if (ngx_memcmp(&sin61->sin6_addr, &sin62->sin6_addr, 16) != 0) {
|
|
|
875 return NGX_DECLINED;
|
|
|
876 }
|
|
10
|
877
|
|
448
|
878 break;
|
|
|
879 #endif
|
|
|
880
|
|
576
|
881 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
882 case AF_UNIX:
|
|
|
883 saun1 = (struct sockaddr_un *) sa1;
|
|
|
884 saun2 = (struct sockaddr_un *) sa2;
|
|
|
885
|
|
|
886 if (ngx_memcmp(&saun1->sun_path, &saun2->sun_path,
|
|
|
887 sizeof(saun1->sun_path))
|
|
|
888 != 0)
|
|
|
889 {
|
|
|
890 return NGX_DECLINED;
|
|
|
891 }
|
|
|
892
|
|
|
893 break;
|
|
|
894 #endif
|
|
|
895
|
|
448
|
896 default: /* AF_INET */
|
|
|
897
|
|
|
898 sin1 = (struct sockaddr_in *) sa1;
|
|
|
899 sin2 = (struct sockaddr_in *) sa2;
|
|
10
|
900
|
|
448
|
901 if (sin1->sin_port != sin2->sin_port) {
|
|
|
902 return NGX_DECLINED;
|
|
|
903 }
|
|
|
904
|
|
|
905 if (sin1->sin_addr.s_addr != sin2->sin_addr.s_addr) {
|
|
|
906 return NGX_DECLINED;
|
|
|
907 }
|
|
|
908
|
|
|
909 break;
|
|
10
|
910 }
|
|
|
911
|
|
|
912 return NGX_OK;
|
|
|
913 }
|
|
|
914
|
|
|
915
|
|
480
|
916 static ngx_int_t
|
|
|
917 ngx_init_zone_pool(ngx_cycle_t *cycle, ngx_shm_zone_t *zn)
|
|
|
918 {
|
|
|
919 u_char *file;
|
|
|
920 ngx_slab_pool_t *sp;
|
|
|
921
|
|
|
922 sp = (ngx_slab_pool_t *) zn->shm.addr;
|
|
|
923
|
|
496
|
924 if (zn->shm.exists) {
|
|
|
925
|
|
|
926 if (sp == sp->addr) {
|
|
|
927 return NGX_OK;
|
|
|
928 }
|
|
|
929
|
|
|
930 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
931 "shared zone \"%V\" has no equal addresses: %p vs %p",
|
|
|
932 &zn->shm.name, sp->addr, sp);
|
|
|
933 return NGX_ERROR;
|
|
|
934 }
|
|
|
935
|
|
480
|
936 sp->end = zn->shm.addr + zn->shm.size;
|
|
|
937 sp->min_shift = 3;
|
|
496
|
938 sp->addr = zn->shm.addr;
|
|
480
|
939
|
|
|
940 #if (NGX_HAVE_ATOMIC_OPS)
|
|
|
941
|
|
|
942 file = NULL;
|
|
|
943
|
|
|
944 #else
|
|
|
945
|
|
|
946 file = ngx_pnalloc(cycle->pool, cycle->lock_file.len + zn->shm.name.len);
|
|
|
947 if (file == NULL) {
|
|
482
|
948 return NGX_ERROR;
|
|
480
|
949 }
|
|
|
950
|
|
|
951 (void) ngx_sprintf(file, "%V%V%Z", &cycle->lock_file, &zn->shm.name);
|
|
|
952
|
|
|
953 #endif
|
|
|
954
|
|
|
955 if (ngx_shmtx_create(&sp->mutex, (void *) &sp->lock, file) != NGX_OK) {
|
|
482
|
956 return NGX_ERROR;
|
|
480
|
957 }
|
|
|
958
|
|
|
959 ngx_slab_init(sp);
|
|
|
960
|
|
|
961 return NGX_OK;
|
|
|
962 }
|
|
|
963
|
|
0
|
964
|
|
112
|
965 ngx_int_t
|
|
160
|
966 ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log)
|
|
0
|
967 {
|
|
478
|
968 size_t len;
|
|
|
969 ngx_uint_t create;
|
|
|
970 ngx_file_t file;
|
|
|
971 u_char pid[NGX_INT64_LEN + 2];
|
|
0
|
972
|
|
480
|
973 if (ngx_process > NGX_PROCESS_MASTER) {
|
|
|
974 return NGX_OK;
|
|
|
975 }
|
|
|
976
|
|
0
|
977 ngx_memzero(&file, sizeof(ngx_file_t));
|
|
92
|
978
|
|
160
|
979 file.name = *name;
|
|
|
980 file.log = log;
|
|
0
|
981
|
|
478
|
982 create = ngx_test_config ? NGX_FILE_CREATE_OR_OPEN : NGX_FILE_TRUNCATE;
|
|
0
|
983
|
|
|
984 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR,
|
|
478
|
985 create, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
986
|
|
|
987 if (file.fd == NGX_INVALID_FILE) {
|
|
160
|
988 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
0
|
989 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
990 return NGX_ERROR;
|
|
|
991 }
|
|
|
992
|
|
|
993 if (!ngx_test_config) {
|
|
270
|
994 len = ngx_snprintf(pid, NGX_INT64_LEN + 2, "%P%N", ngx_pid) - pid;
|
|
10
|
995
|
|
0
|
996 if (ngx_write_file(&file, pid, len, 0) == NGX_ERROR) {
|
|
|
997 return NGX_ERROR;
|
|
|
998 }
|
|
|
999 }
|
|
|
1000
|
|
|
1001 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
160
|
1002 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
0
|
1003 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
1004 }
|
|
|
1005
|
|
|
1006 return NGX_OK;
|
|
|
1007 }
|
|
|
1008
|
|
|
1009
|
|
112
|
1010 void
|
|
|
1011 ngx_delete_pidfile(ngx_cycle_t *cycle)
|
|
126
|
1012 {
|
|
0
|
1013 u_char *name;
|
|
|
1014 ngx_core_conf_t *ccf;
|
|
|
1015
|
|
|
1016 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
1017
|
|
92
|
1018 name = ngx_new_binary ? ccf->oldpid.data : ccf->pid.data;
|
|
0
|
1019
|
|
|
1020 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
|
|
|
1021 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1022 ngx_delete_file_n " \"%s\" failed", name);
|
|
|
1023 }
|
|
|
1024 }
|
|
|
1025
|
|
|
1026
|
|
482
|
1027 ngx_int_t
|
|
|
1028 ngx_signal_process(ngx_cycle_t *cycle, char *sig)
|
|
|
1029 {
|
|
|
1030 ssize_t n;
|
|
|
1031 ngx_int_t pid;
|
|
|
1032 ngx_file_t file;
|
|
|
1033 ngx_core_conf_t *ccf;
|
|
|
1034 u_char buf[NGX_INT64_LEN + 2];
|
|
|
1035
|
|
|
1036 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "signal process started");
|
|
|
1037
|
|
|
1038 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
1039
|
|
|
1040 file.name = ccf->pid;
|
|
|
1041 file.log = cycle->log;
|
|
|
1042
|
|
|
1043 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDONLY,
|
|
|
1044 NGX_FILE_OPEN, NGX_FILE_DEFAULT_ACCESS);
|
|
|
1045
|
|
|
1046 if (file.fd == NGX_INVALID_FILE) {
|
|
|
1047 ngx_log_error(NGX_LOG_ERR, cycle->log, ngx_errno,
|
|
|
1048 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
1049 return 1;
|
|
|
1050 }
|
|
|
1051
|
|
|
1052 n = ngx_read_file(&file, buf, NGX_INT64_LEN + 2, 0);
|
|
|
1053
|
|
|
1054 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
|
1055 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1056 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
1057 }
|
|
|
1058
|
|
|
1059 if (n == NGX_ERROR) {
|
|
|
1060 return 1;
|
|
|
1061 }
|
|
|
1062
|
|
|
1063 while (n-- && (buf[n] == CR || buf[n] == LF)) { /* void */ }
|
|
|
1064
|
|
|
1065 pid = ngx_atoi(buf, ++n);
|
|
|
1066
|
|
|
1067 if (pid == NGX_ERROR) {
|
|
|
1068 ngx_log_error(NGX_LOG_ERR, cycle->log, 0,
|
|
|
1069 "invalid PID number \"%*s\" in \"%s\"",
|
|
|
1070 n, buf, file.name.data);
|
|
|
1071 return 1;
|
|
|
1072 }
|
|
|
1073
|
|
|
1074 return ngx_os_signal_process(cycle, sig, pid);
|
|
|
1075
|
|
|
1076 }
|
|
|
1077
|
|
|
1078
|
|
160
|
1079 static ngx_int_t
|
|
|
1080 ngx_test_lockfile(u_char *file, ngx_log_t *log)
|
|
|
1081 {
|
|
|
1082 #if !(NGX_HAVE_ATOMIC_OPS)
|
|
|
1083 ngx_fd_t fd;
|
|
|
1084
|
|
284
|
1085 fd = ngx_open_file(file, NGX_FILE_RDWR, NGX_FILE_CREATE_OR_OPEN,
|
|
|
1086 NGX_FILE_DEFAULT_ACCESS);
|
|
160
|
1087
|
|
|
1088 if (fd == NGX_INVALID_FILE) {
|
|
|
1089 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
1090 ngx_open_file_n " \"%s\" failed", file);
|
|
|
1091 return NGX_ERROR;
|
|
|
1092 }
|
|
|
1093
|
|
|
1094 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1095 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
1096 ngx_close_file_n " \"%s\" failed", file);
|
|
|
1097 }
|
|
|
1098
|
|
|
1099 if (ngx_delete_file(file) == NGX_FILE_ERROR) {
|
|
|
1100 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
1101 ngx_delete_file_n " \"%s\" failed", file);
|
|
|
1102 }
|
|
|
1103
|
|
|
1104 #endif
|
|
|
1105
|
|
|
1106 return NGX_OK;
|
|
|
1107 }
|
|
|
1108
|
|
|
1109
|
|
112
|
1110 void
|
|
|
1111 ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user)
|
|
0
|
1112 {
|
|
418
|
1113 ssize_t n, len;
|
|
0
|
1114 ngx_fd_t fd;
|
|
|
1115 ngx_uint_t i;
|
|
|
1116 ngx_list_part_t *part;
|
|
|
1117 ngx_open_file_t *file;
|
|
|
1118
|
|
|
1119 part = &cycle->open_files.part;
|
|
|
1120 file = part->elts;
|
|
|
1121
|
|
|
1122 for (i = 0; /* void */ ; i++) {
|
|
|
1123
|
|
|
1124 if (i >= part->nelts) {
|
|
|
1125 if (part->next == NULL) {
|
|
|
1126 break;
|
|
|
1127 }
|
|
|
1128 part = part->next;
|
|
72
|
1129 file = part->elts;
|
|
0
|
1130 i = 0;
|
|
|
1131 }
|
|
|
1132
|
|
482
|
1133 if (file[i].name.len == 0) {
|
|
0
|
1134 continue;
|
|
|
1135 }
|
|
|
1136
|
|
418
|
1137 len = file[i].pos - file[i].buffer;
|
|
|
1138
|
|
|
1139 if (file[i].buffer && len != 0) {
|
|
|
1140
|
|
|
1141 n = ngx_write_fd(file[i].fd, file[i].buffer, len);
|
|
|
1142
|
|
|
1143 if (n == NGX_FILE_ERROR) {
|
|
|
1144 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1145 ngx_write_fd_n " to \"%s\" failed",
|
|
|
1146 file[i].name.data);
|
|
|
1147
|
|
|
1148 } else if (n != len) {
|
|
|
1149 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
1150 ngx_write_fd_n " to \"%s\" was incomplete: %z of %uz",
|
|
|
1151 file[i].name.data, n, len);
|
|
|
1152 }
|
|
|
1153
|
|
120
|
1154 file[i].pos = file[i].buffer;
|
|
|
1155 }
|
|
|
1156
|
|
470
|
1157 fd = ngx_open_file(file[i].name.data, NGX_FILE_APPEND,
|
|
|
1158 NGX_FILE_CREATE_OR_OPEN, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
1159
|
|
|
1160 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
1161 "reopen file \"%s\", old:%d new:%d",
|
|
|
1162 file[i].name.data, file[i].fd, fd);
|
|
|
1163
|
|
|
1164 if (fd == NGX_INVALID_FILE) {
|
|
|
1165 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1166 ngx_open_file_n " \"%s\" failed", file[i].name.data);
|
|
|
1167 continue;
|
|
|
1168 }
|
|
|
1169
|
|
478
|
1170 #if !(NGX_WIN32)
|
|
66
|
1171 if (user != (ngx_uid_t) NGX_CONF_UNSET_UINT) {
|
|
356
|
1172 ngx_file_info_t fi;
|
|
2
|
1173
|
|
484
|
1174 if (ngx_file_info((const char *) file[i].name.data, &fi)
|
|
|
1175 == NGX_FILE_ERROR)
|
|
|
1176 {
|
|
2
|
1177 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1178 ngx_file_info_n " \"%s\" failed",
|
|
|
1179 file[i].name.data);
|
|
|
1180
|
|
|
1181 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1182 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1183 ngx_close_file_n " \"%s\" failed",
|
|
|
1184 file[i].name.data);
|
|
|
1185 }
|
|
|
1186 }
|
|
|
1187
|
|
16
|
1188 if (fi.st_uid != user) {
|
|
|
1189 if (chown((const char *) file[i].name.data, user, -1) == -1) {
|
|
|
1190 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1191 "chown(\"%s\", %d) failed",
|
|
|
1192 file[i].name.data, user);
|
|
|
1193
|
|
|
1194 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1195 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1196 ngx_close_file_n " \"%s\" failed",
|
|
|
1197 file[i].name.data);
|
|
|
1198 }
|
|
|
1199 }
|
|
|
1200 }
|
|
|
1201
|
|
2
|
1202 if ((fi.st_mode & (S_IRUSR|S_IWUSR)) != (S_IRUSR|S_IWUSR)) {
|
|
|
1203
|
|
|
1204 fi.st_mode |= (S_IRUSR|S_IWUSR);
|
|
|
1205
|
|
|
1206 if (chmod((const char *) file[i].name.data, fi.st_mode) == -1) {
|
|
|
1207 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
16
|
1208 "chmod() \"%s\" failed", file[i].name.data);
|
|
2
|
1209
|
|
|
1210 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1211 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1212 ngx_close_file_n " \"%s\" failed",
|
|
|
1213 file[i].name.data);
|
|
|
1214 }
|
|
|
1215 }
|
|
|
1216 }
|
|
0
|
1217 }
|
|
|
1218
|
|
|
1219 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
|
|
|
1220 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1221 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
1222 file[i].name.data);
|
|
|
1223
|
|
|
1224 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1225 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1226 ngx_close_file_n " \"%s\" failed",
|
|
|
1227 file[i].name.data);
|
|
|
1228 }
|
|
|
1229
|
|
|
1230 continue;
|
|
|
1231 }
|
|
|
1232 #endif
|
|
|
1233
|
|
|
1234 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
1235 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1236 ngx_close_file_n " \"%s\" failed",
|
|
|
1237 file[i].name.data);
|
|
|
1238 }
|
|
|
1239
|
|
|
1240 file[i].fd = fd;
|
|
|
1241 }
|
|
|
1242
|
|
10
|
1243 #if !(NGX_WIN32)
|
|
0
|
1244
|
|
|
1245 if (cycle->log->file->fd != STDERR_FILENO) {
|
|
|
1246 if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) {
|
|
|
1247 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1248 "dup2(STDERR) failed");
|
|
|
1249 }
|
|
|
1250 }
|
|
|
1251
|
|
|
1252 #endif
|
|
|
1253 }
|
|
|
1254
|
|
|
1255
|
|
272
|
1256 ngx_shm_zone_t *
|
|
|
1257 ngx_shared_memory_add(ngx_conf_t *cf, ngx_str_t *name, size_t size, void *tag)
|
|
|
1258 {
|
|
|
1259 ngx_uint_t i;
|
|
|
1260 ngx_shm_zone_t *shm_zone;
|
|
|
1261 ngx_list_part_t *part;
|
|
|
1262
|
|
|
1263 part = &cf->cycle->shared_memory.part;
|
|
|
1264 shm_zone = part->elts;
|
|
|
1265
|
|
|
1266 for (i = 0; /* void */ ; i++) {
|
|
|
1267
|
|
|
1268 if (i >= part->nelts) {
|
|
|
1269 if (part->next == NULL) {
|
|
|
1270 break;
|
|
|
1271 }
|
|
|
1272 part = part->next;
|
|
|
1273 shm_zone = part->elts;
|
|
|
1274 i = 0;
|
|
|
1275 }
|
|
|
1276
|
|
480
|
1277 if (name->len != shm_zone[i].shm.name.len) {
|
|
272
|
1278 continue;
|
|
|
1279 }
|
|
|
1280
|
|
480
|
1281 if (ngx_strncmp(name->data, shm_zone[i].shm.name.data, name->len)
|
|
|
1282 != 0)
|
|
|
1283 {
|
|
272
|
1284 continue;
|
|
|
1285 }
|
|
|
1286
|
|
|
1287 if (size && size != shm_zone[i].shm.size) {
|
|
|
1288 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
480
|
1289 "the size %uz of shared memory zone \"%V\" "
|
|
|
1290 "conflicts with already declared size %uz",
|
|
|
1291 size, &shm_zone[i].shm.name, shm_zone[i].shm.size);
|
|
272
|
1292 return NULL;
|
|
|
1293 }
|
|
|
1294
|
|
|
1295 if (tag != shm_zone[i].tag) {
|
|
|
1296 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
480
|
1297 "the shared memory zone \"%V\" is "
|
|
|
1298 "already declared for a different use",
|
|
|
1299 &shm_zone[i].shm.name);
|
|
272
|
1300 return NULL;
|
|
|
1301 }
|
|
|
1302
|
|
|
1303 return &shm_zone[i];
|
|
|
1304 }
|
|
|
1305
|
|
|
1306 shm_zone = ngx_list_push(&cf->cycle->shared_memory);
|
|
|
1307
|
|
|
1308 if (shm_zone == NULL) {
|
|
|
1309 return NULL;
|
|
|
1310 }
|
|
|
1311
|
|
|
1312 shm_zone->data = NULL;
|
|
|
1313 shm_zone->shm.log = cf->cycle->log;
|
|
|
1314 shm_zone->shm.size = size;
|
|
480
|
1315 shm_zone->shm.name = *name;
|
|
|
1316 shm_zone->shm.exists = 0;
|
|
272
|
1317 shm_zone->init = NULL;
|
|
|
1318 shm_zone->tag = tag;
|
|
|
1319
|
|
|
1320 return shm_zone;
|
|
|
1321 }
|
|
|
1322
|
|
|
1323
|
|
112
|
1324 static void
|
|
|
1325 ngx_clean_old_cycles(ngx_event_t *ev)
|
|
0
|
1326 {
|
|
|
1327 ngx_uint_t i, n, found, live;
|
|
|
1328 ngx_log_t *log;
|
|
|
1329 ngx_cycle_t **cycle;
|
|
|
1330
|
|
|
1331 log = ngx_cycle->log;
|
|
|
1332 ngx_temp_pool->log = log;
|
|
|
1333
|
|
|
1334 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycles");
|
|
|
1335
|
|
|
1336 live = 0;
|
|
|
1337
|
|
|
1338 cycle = ngx_old_cycles.elts;
|
|
|
1339 for (i = 0; i < ngx_old_cycles.nelts; i++) {
|
|
|
1340
|
|
|
1341 if (cycle[i] == NULL) {
|
|
|
1342 continue;
|
|
|
1343 }
|
|
|
1344
|
|
|
1345 found = 0;
|
|
|
1346
|
|
|
1347 for (n = 0; n < cycle[i]->connection_n; n++) {
|
|
110
|
1348 if (cycle[i]->connections[n].fd != (ngx_socket_t) -1) {
|
|
0
|
1349 found = 1;
|
|
|
1350
|
|
|
1351 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "live fd:%d", n);
|
|
|
1352
|
|
|
1353 break;
|
|
|
1354 }
|
|
|
1355 }
|
|
|
1356
|
|
|
1357 if (found) {
|
|
|
1358 live = 1;
|
|
|
1359 continue;
|
|
|
1360 }
|
|
|
1361
|
|
|
1362 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycle: %d", i);
|
|
|
1363
|
|
|
1364 ngx_destroy_pool(cycle[i]->pool);
|
|
|
1365 cycle[i] = NULL;
|
|
|
1366 }
|
|
|
1367
|
|
|
1368 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "old cycles status: %d", live);
|
|
|
1369
|
|
|
1370 if (live) {
|
|
|
1371 ngx_add_timer(ev, 30000);
|
|
|
1372
|
|
|
1373 } else {
|
|
|
1374 ngx_destroy_pool(ngx_temp_pool);
|
|
|
1375 ngx_temp_pool = NULL;
|
|
|
1376 ngx_old_cycles.nelts = 0;
|
|
|
1377 }
|
|
|
1378 }
|
