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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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184 cycle->conf_ctx = ngx_pcalloc(pool, ngx_max_module * sizeof(void *));
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185 if (cycle->conf_ctx == NULL) {
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186 ngx_destroy_pool(pool);
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187 return NULL;
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188 }
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189
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190
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376
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191 if (gethostname(hostname, NGX_MAXHOSTNAMELEN) == -1) {
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192 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "gethostname() failed");
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193 ngx_destroy_pool(pool);
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194 return NULL;
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195 }
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196
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197 /* on Linux gethostname() silently truncates name that does not fit */
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198
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199 hostname[NGX_MAXHOSTNAMELEN - 1] = '\0';
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200 cycle->hostname.len = ngx_strlen(hostname);
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201
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382
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202 cycle->hostname.data = ngx_pnalloc(pool, cycle->hostname.len);
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376
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203 if (cycle->hostname.data == NULL) {
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204 ngx_destroy_pool(pool);
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205 return NULL;
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206 }
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207
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538
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208 ngx_strlow(cycle->hostname.data, (u_char *) hostname, cycle->hostname.len);
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376
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209
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210
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0
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211 for (i = 0; ngx_modules[i]; i++) {
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212 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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213 continue;
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214 }
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215
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216 module = ngx_modules[i]->ctx;
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217
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218 if (module->create_conf) {
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219 rv = module->create_conf(cycle);
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496
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220 if (rv == NULL) {
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0
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221 ngx_destroy_pool(pool);
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222 return NULL;
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223 }
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224 cycle->conf_ctx[ngx_modules[i]->index] = rv;
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225 }
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226 }
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227
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228
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356
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229 senv = environ;
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230
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231
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0
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232 ngx_memzero(&conf, sizeof(ngx_conf_t));
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233 /* STUB: init array ? */
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50
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234 conf.args = ngx_array_create(pool, 10, sizeof(ngx_str_t));
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0
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235 if (conf.args == NULL) {
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236 ngx_destroy_pool(pool);
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237 return NULL;
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238 }
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239
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142
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240 conf.temp_pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
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241 if (conf.temp_pool == NULL) {
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242 ngx_destroy_pool(pool);
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243 return NULL;
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244 }
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245
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154
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246
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0
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247 conf.ctx = cycle->conf_ctx;
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248 conf.cycle = cycle;
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249 conf.pool = pool;
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250 conf.log = log;
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251 conf.module_type = NGX_CORE_MODULE;
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252 conf.cmd_type = NGX_MAIN_CONF;
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253
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4
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254 #if 0
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255 log->log_level = NGX_LOG_DEBUG_ALL;
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256 #endif
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0
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257
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384
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258 if (ngx_conf_param(&conf) != NGX_CONF_OK) {
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528
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259 environ = senv;
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384
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260 ngx_destroy_cycle_pools(&conf);
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261 return NULL;
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262 }
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263
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0
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264 if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) {
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528
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265 environ = senv;
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154
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266 ngx_destroy_cycle_pools(&conf);
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0
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267 return NULL;
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268 }
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269
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596
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270 if (ngx_test_config && !ngx_quiet_mode) {
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482
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271 ngx_log_stderr(0, "the configuration file %s syntax is ok",
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480
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272 cycle->conf_file.data);
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0
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273 }
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274
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275 for (i = 0; ngx_modules[i]; i++) {
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276 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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277 continue;
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278 }
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279
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280 module = ngx_modules[i]->ctx;
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281
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282 if (module->init_conf) {
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283 if (module->init_conf(cycle, cycle->conf_ctx[ngx_modules[i]->index])
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142
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284 == NGX_CONF_ERROR)
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0
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285 {
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528
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286 environ = senv;
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154
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287 ngx_destroy_cycle_pools(&conf);
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0
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288 return NULL;
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289 }
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290 }
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291 }
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292
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498
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293 if (ngx_process == NGX_PROCESS_SIGNALLER) {
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294 return cycle;
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295 }
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0
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296
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160
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297 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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0
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298
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160
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299 if (ngx_test_config) {
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300
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301 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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302 goto failed;
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303 }
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304
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|
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305 } else if (!ngx_is_init_cycle(old_cycle)) {
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306
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307 /*
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308 * we do not create the pid file in the first ngx_init_cycle() call
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309 * because we need to write the demonized process pid
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310 */
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311
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312 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
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313 ngx_core_module);
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314 if (ccf->pid.len != old_ccf->pid.len
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315 || ngx_strcmp(ccf->pid.data, old_ccf->pid.data) != 0)
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316 {
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317 /* new pid file name */
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318
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|
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319 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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320 goto failed;
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321 }
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322
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323 ngx_delete_pidfile(old_cycle);
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324 }
|
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0
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325 }
|
|
160
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326
|
|
0
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327
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258
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328 if (ngx_test_lockfile(cycle->lock_file.data, log) != NGX_OK) {
|
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160
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329 goto failed;
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330 }
|
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16
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331
|
|
160
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332
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|
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333 if (ngx_create_pathes(cycle, ccf->user) != NGX_OK) {
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334 goto failed;
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16
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335 }
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336
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|
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337
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|
484
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338 if (cycle->new_log.file == NULL) {
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339 cycle->new_log.file = ngx_conf_open_file(cycle, &error_log);
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340 if (cycle->new_log.file == NULL) {
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341 goto failed;
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342 }
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|
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343 }
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344
|
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160
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345 /* open the new files */
|
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0
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346
|
|
160
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347 part = &cycle->open_files.part;
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348 file = part->elts;
|
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0
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349
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|
160
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350 for (i = 0; /* void */ ; i++) {
|
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0
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351
|
|
160
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352 if (i >= part->nelts) {
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|
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353 if (part->next == NULL) {
|
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0
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354 break;
|
|
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355 }
|
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160
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356 part = part->next;
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357 file = part->elts;
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|
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358 i = 0;
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|
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359 }
|
|
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360
|
|
482
|
361 if (file[i].name.len == 0) {
|
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160
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362 continue;
|
|
|
363 }
|
|
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364
|
|
470
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365 file[i].fd = ngx_open_file(file[i].name.data,
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366 NGX_FILE_APPEND,
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367 NGX_FILE_CREATE_OR_OPEN,
|
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276
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368 NGX_FILE_DEFAULT_ACCESS);
|
|
160
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369
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|
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370 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
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|
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371 "log: %p %d \"%s\"",
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372 &file[i], file[i].fd, file[i].name.data);
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373
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|
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374 if (file[i].fd == NGX_INVALID_FILE) {
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375 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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376 ngx_open_file_n " \"%s\" failed",
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|
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377 file[i].name.data);
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|
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378 goto failed;
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|
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379 }
|
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0
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380
|
|
478
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381 #if !(NGX_WIN32)
|
|
160
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382 if (fcntl(file[i].fd, F_SETFD, FD_CLOEXEC) == -1) {
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|
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383 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
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384 "fcntl(FD_CLOEXEC) \"%s\" failed",
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|
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385 file[i].name.data);
|
|
|
386 goto failed;
|
|
|
387 }
|
|
0
|
388 #endif
|
|
|
389 }
|
|
|
390
|
|
484
|
391 cycle->log = &cycle->new_log;
|
|
|
392 pool->log = &cycle->new_log;
|
|
440
|
393
|
|
10
|
394
|
|
258
|
395 /* create shared memory */
|
|
|
396
|
|
|
397 part = &cycle->shared_memory.part;
|
|
272
|
398 shm_zone = part->elts;
|
|
258
|
399
|
|
|
400 for (i = 0; /* void */ ; i++) {
|
|
|
401
|
|
|
402 if (i >= part->nelts) {
|
|
|
403 if (part->next == NULL) {
|
|
|
404 break;
|
|
|
405 }
|
|
|
406 part = part->next;
|
|
272
|
407 shm_zone = part->elts;
|
|
258
|
408 i = 0;
|
|
|
409 }
|
|
|
410
|
|
272
|
411 if (shm_zone[i].shm.size == 0) {
|
|
|
412 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
|
413 "zero size shared memory zone \"%V\"",
|
|
480
|
414 &shm_zone[i].shm.name);
|
|
272
|
415 goto failed;
|
|
|
416 }
|
|
|
417
|
|
274
|
418 if (shm_zone[i].init == NULL) {
|
|
|
419 /* unused shared zone */
|
|
|
420 continue;
|
|
|
421 }
|
|
|
422
|
|
272
|
423 shm_zone[i].shm.log = cycle->log;
|
|
258
|
424
|
|
|
425 opart = &old_cycle->shared_memory.part;
|
|
272
|
426 oshm_zone = opart->elts;
|
|
258
|
427
|
|
|
428 for (n = 0; /* void */ ; n++) {
|
|
|
429
|
|
|
430 if (n >= opart->nelts) {
|
|
|
431 if (opart->next == NULL) {
|
|
|
432 break;
|
|
|
433 }
|
|
|
434 opart = opart->next;
|
|
272
|
435 oshm_zone = opart->elts;
|
|
258
|
436 n = 0;
|
|
|
437 }
|
|
|
438
|
|
480
|
439 if (shm_zone[i].shm.name.len != oshm_zone[n].shm.name.len) {
|
|
272
|
440 continue;
|
|
|
441 }
|
|
|
442
|
|
480
|
443 if (ngx_strncmp(shm_zone[i].shm.name.data,
|
|
|
444 oshm_zone[n].shm.name.data,
|
|
|
445 shm_zone[i].shm.name.len)
|
|
272
|
446 != 0)
|
|
|
447 {
|
|
258
|
448 continue;
|
|
|
449 }
|
|
|
450
|
|
272
|
451 if (shm_zone[i].shm.size == oshm_zone[n].shm.size) {
|
|
|
452 shm_zone[i].shm.addr = oshm_zone[n].shm.addr;
|
|
|
453
|
|
|
454 if (shm_zone[i].init(&shm_zone[i], oshm_zone[n].data)
|
|
|
455 != NGX_OK)
|
|
|
456 {
|
|
|
457 goto failed;
|
|
|
458 }
|
|
|
459
|
|
|
460 goto shm_zone_found;
|
|
258
|
461 }
|
|
|
462
|
|
272
|
463 ngx_shm_free(&oshm_zone[n].shm);
|
|
258
|
464
|
|
|
465 break;
|
|
|
466 }
|
|
|
467
|
|
272
|
468 if (ngx_shm_alloc(&shm_zone[i].shm) != NGX_OK) {
|
|
258
|
469 goto failed;
|
|
|
470 }
|
|
|
471
|
|
496
|
472 if (ngx_init_zone_pool(cycle, &shm_zone[i]) != NGX_OK) {
|
|
|
473 goto failed;
|
|
258
|
474 }
|
|
|
475
|
|
272
|
476 if (shm_zone[i].init(&shm_zone[i], NULL) != NGX_OK) {
|
|
|
477 goto failed;
|
|
|
478 }
|
|
|
479
|
|
|
480 shm_zone_found:
|
|
258
|
481
|
|
|
482 continue;
|
|
|
483 }
|
|
|
484
|
|
|
485
|
|
160
|
486 /* handle the listening sockets */
|
|
10
|
487
|
|
160
|
488 if (old_cycle->listening.nelts) {
|
|
|
489 ls = old_cycle->listening.elts;
|
|
|
490 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
491 ls[i].remain = 0;
|
|
|
492 }
|
|
0
|
493
|
|
160
|
494 nls = cycle->listening.elts;
|
|
|
495 for (n = 0; n < cycle->listening.nelts; n++) {
|
|
10
|
496
|
|
160
|
497 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
498 if (ls[i].ignore) {
|
|
|
499 continue;
|
|
|
500 }
|
|
0
|
501
|
|
160
|
502 if (ngx_cmp_sockaddr(nls[n].sockaddr, ls[i].sockaddr) == NGX_OK)
|
|
|
503 {
|
|
|
504 nls[n].fd = ls[i].fd;
|
|
|
505 nls[n].previous = &ls[i];
|
|
|
506 ls[i].remain = 1;
|
|
72
|
507
|
|
160
|
508 if (ls[n].backlog != nls[i].backlog) {
|
|
|
509 nls[n].listen = 1;
|
|
|
510 }
|
|
86
|
511
|
|
72
|
512 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
513
|
|
160
|
514 /*
|
|
|
515 * FreeBSD, except the most recent versions,
|
|
|
516 * could not remove accept filter
|
|
|
517 */
|
|
|
518 nls[n].deferred_accept = ls[i].deferred_accept;
|
|
72
|
519
|
|
160
|
520 if (ls[i].accept_filter && nls[n].accept_filter) {
|
|
|
521 if (ngx_strcmp(ls[i].accept_filter,
|
|
|
522 nls[n].accept_filter)
|
|
|
523 != 0)
|
|
|
524 {
|
|
72
|
525 nls[n].delete_deferred = 1;
|
|
|
526 nls[n].add_deferred = 1;
|
|
|
527 }
|
|
160
|
528
|
|
|
529 } else if (ls[i].accept_filter) {
|
|
|
530 nls[n].delete_deferred = 1;
|
|
|
531
|
|
|
532 } else if (nls[n].accept_filter) {
|
|
|
533 nls[n].add_deferred = 1;
|
|
|
534 }
|
|
72
|
535 #endif
|
|
|
536
|
|
|
537 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
538
|
|
160
|
539 if (ls[n].deferred_accept && !nls[n].deferred_accept) {
|
|
|
540 nls[n].delete_deferred = 1;
|
|
72
|
541
|
|
160
|
542 } else if (ls[i].deferred_accept != nls[n].deferred_accept)
|
|
|
543 {
|
|
|
544 nls[n].add_deferred = 1;
|
|
|
545 }
|
|
72
|
546 #endif
|
|
160
|
547 break;
|
|
0
|
548 }
|
|
|
549 }
|
|
|
550
|
|
160
|
551 if (nls[n].fd == -1) {
|
|
|
552 nls[n].open = 1;
|
|
0
|
553 }
|
|
|
554 }
|
|
|
555
|
|
160
|
556 } else {
|
|
|
557 ls = cycle->listening.elts;
|
|
|
558 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
559 ls[i].open = 1;
|
|
|
560 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
561 if (ls[i].accept_filter) {
|
|
|
562 ls[i].add_deferred = 1;
|
|
0
|
563 }
|
|
160
|
564 #endif
|
|
|
565 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
566 if (ls[i].deferred_accept) {
|
|
|
567 ls[i].add_deferred = 1;
|
|
72
|
568 }
|
|
160
|
569 #endif
|
|
0
|
570 }
|
|
|
571 }
|
|
|
572
|
|
498
|
573 if (ngx_open_listening_sockets(cycle) != NGX_OK) {
|
|
|
574 goto failed;
|
|
|
575 }
|
|
0
|
576
|
|
498
|
577 if (!ngx_test_config) {
|
|
|
578 ngx_configure_listening_sockets(cycle);
|
|
0
|
579 }
|
|
|
580
|
|
|
581
|
|
|
582 /* commit the new cycle configuration */
|
|
|
583
|
|
482
|
584 if (!ngx_use_stderr && cycle->log->file->fd != ngx_stderr) {
|
|
0
|
585
|
|
482
|
586 if (ngx_set_stderr(cycle->log->file->fd) == NGX_FILE_ERROR) {
|
|
|
587 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
588 ngx_set_stderr_n " failed");
|
|
0
|
589 }
|
|
|
590 }
|
|
|
591
|
|
|
592 pool->log = cycle->log;
|
|
|
593
|
|
|
594 for (i = 0; ngx_modules[i]; i++) {
|
|
|
595 if (ngx_modules[i]->init_module) {
|
|
160
|
596 if (ngx_modules[i]->init_module(cycle) != NGX_OK) {
|
|
0
|
597 /* fatal */
|
|
|
598 exit(1);
|
|
|
599 }
|
|
|
600 }
|
|
|
601 }
|
|
|
602
|
|
16
|
603
|
|
0
|
604 /* close and delete stuff that lefts from an old cycle */
|
|
|
605
|
|
272
|
606 /* free the unnecessary shared memory */
|
|
|
607
|
|
|
608 opart = &old_cycle->shared_memory.part;
|
|
|
609 oshm_zone = opart->elts;
|
|
|
610
|
|
|
611 for (i = 0; /* void */ ; i++) {
|
|
|
612
|
|
|
613 if (i >= opart->nelts) {
|
|
|
614 if (opart->next == NULL) {
|
|
|
615 goto old_shm_zone_done;
|
|
|
616 }
|
|
|
617 opart = opart->next;
|
|
|
618 oshm_zone = opart->elts;
|
|
|
619 i = 0;
|
|
|
620 }
|
|
|
621
|
|
|
622 part = &cycle->shared_memory.part;
|
|
|
623 shm_zone = part->elts;
|
|
|
624
|
|
|
625 for (n = 0; /* void */ ; n++) {
|
|
|
626
|
|
|
627 if (n >= part->nelts) {
|
|
|
628 if (part->next == NULL) {
|
|
|
629 break;
|
|
|
630 }
|
|
|
631 part = part->next;
|
|
|
632 shm_zone = part->elts;
|
|
|
633 n = 0;
|
|
|
634 }
|
|
|
635
|
|
480
|
636 if (oshm_zone[i].shm.name.len == shm_zone[n].shm.name.len
|
|
|
637 && ngx_strncmp(oshm_zone[i].shm.name.data,
|
|
|
638 shm_zone[n].shm.name.data,
|
|
|
639 oshm_zone[i].shm.name.len)
|
|
272
|
640 == 0)
|
|
|
641 {
|
|
|
642 goto live_shm_zone;
|
|
|
643 }
|
|
|
644 }
|
|
|
645
|
|
|
646 ngx_shm_free(&oshm_zone[i].shm);
|
|
|
647
|
|
|
648 live_shm_zone:
|
|
|
649
|
|
|
650 continue;
|
|
|
651 }
|
|
|
652
|
|
|
653 old_shm_zone_done:
|
|
|
654
|
|
|
655
|
|
|
656 /* close the unnecessary listening sockets */
|
|
0
|
657
|
|
|
658 ls = old_cycle->listening.elts;
|
|
|
659 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
498
|
660
|
|
|
661 if (ls[i].remain || ls[i].fd == -1) {
|
|
0
|
662 continue;
|
|
|
663 }
|
|
|
664
|
|
|
665 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
666 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
92
|
667 ngx_close_socket_n " listening socket on %V failed",
|
|
10
|
668 &ls[i].addr_text);
|
|
0
|
669 }
|
|
576
|
670
|
|
|
671 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
672
|
|
|
673 if (ls[i].sockaddr->sa_family == AF_UNIX) {
|
|
|
674 u_char *name;
|
|
|
675
|
|
|
676 name = ls[i].addr_text.data + sizeof("unix:") - 1;
|
|
|
677
|
|
|
678 ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
679 "deleting socket %s", name);
|
|
|
680
|
|
|
681 if (ngx_delete_file(name) == -1) {
|
|
|
682 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
|
|
|
683 ngx_delete_file_n " %s failed", name);
|
|
|
684 }
|
|
|
685 }
|
|
|
686
|
|
|
687 #endif
|
|
0
|
688 }
|
|
|
689
|
|
|
690
|
|
272
|
691 /* close the unnecessary open files */
|
|
0
|
692
|
|
|
693 part = &old_cycle->open_files.part;
|
|
|
694 file = part->elts;
|
|
|
695
|
|
|
696 for (i = 0; /* void */ ; i++) {
|
|
|
697
|
|
|
698 if (i >= part->nelts) {
|
|
|
699 if (part->next == NULL) {
|
|
|
700 break;
|
|
|
701 }
|
|
|
702 part = part->next;
|
|
|
703 file = part->elts;
|
|
|
704 i = 0;
|
|
|
705 }
|
|
|
706
|
|
482
|
707 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr) {
|
|
0
|
708 continue;
|
|
|
709 }
|
|
|
710
|
|
|
711 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
712 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
713 ngx_close_file_n " \"%s\" failed",
|
|
|
714 file[i].name.data);
|
|
|
715 }
|
|
|
716 }
|
|
|
717
|
|
142
|
718 ngx_destroy_pool(conf.temp_pool);
|
|
|
719
|
|
154
|
720 if (ngx_process == NGX_PROCESS_MASTER || ngx_is_init_cycle(old_cycle)) {
|
|
|
721
|
|
356
|
722 /*
|
|
528
|
723 * perl_destruct() frees environ, if it is not the same as it was at
|
|
|
724 * perl_construct() time, therefore we save the previous cycle
|
|
356
|
725 * environment before ngx_conf_parse() where it will be changed.
|
|
|
726 */
|
|
|
727
|
|
|
728 env = environ;
|
|
|
729 environ = senv;
|
|
|
730
|
|
0
|
731 ngx_destroy_pool(old_cycle->pool);
|
|
160
|
732 cycle->old_cycle = NULL;
|
|
|
733
|
|
356
|
734 environ = env;
|
|
|
735
|
|
0
|
736 return cycle;
|
|
|
737 }
|
|
|
738
|
|
|
739
|
|
|
740 if (ngx_temp_pool == NULL) {
|
|
|
741 ngx_temp_pool = ngx_create_pool(128, cycle->log);
|
|
|
742 if (ngx_temp_pool == NULL) {
|
|
|
743 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
744 "can not create ngx_temp_pool");
|
|
|
745 exit(1);
|
|
|
746 }
|
|
|
747
|
|
|
748 n = 10;
|
|
|
749 ngx_old_cycles.elts = ngx_pcalloc(ngx_temp_pool,
|
|
|
750 n * sizeof(ngx_cycle_t *));
|
|
|
751 if (ngx_old_cycles.elts == NULL) {
|
|
|
752 exit(1);
|
|
|
753 }
|
|
|
754 ngx_old_cycles.nelts = 0;
|
|
|
755 ngx_old_cycles.size = sizeof(ngx_cycle_t *);
|
|
|
756 ngx_old_cycles.nalloc = n;
|
|
|
757 ngx_old_cycles.pool = ngx_temp_pool;
|
|
|
758
|
|
58
|
759 ngx_cleaner_event.handler = ngx_clean_old_cycles;
|
|
0
|
760 ngx_cleaner_event.log = cycle->log;
|
|
|
761 ngx_cleaner_event.data = &dumb;
|
|
|
762 dumb.fd = (ngx_socket_t) -1;
|
|
|
763 }
|
|
|
764
|
|
|
765 ngx_temp_pool->log = cycle->log;
|
|
|
766
|
|
50
|
767 old = ngx_array_push(&ngx_old_cycles);
|
|
0
|
768 if (old == NULL) {
|
|
|
769 exit(1);
|
|
|
770 }
|
|
|
771 *old = old_cycle;
|
|
|
772
|
|
|
773 if (!ngx_cleaner_event.timer_set) {
|
|
|
774 ngx_add_timer(&ngx_cleaner_event, 30000);
|
|
|
775 ngx_cleaner_event.timer_set = 1;
|
|
|
776 }
|
|
|
777
|
|
|
778 return cycle;
|
|
160
|
779
|
|
|
780
|
|
|
781 failed:
|
|
|
782
|
|
296
|
783 if (!ngx_is_init_cycle(old_cycle)) {
|
|
|
784 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
|
|
|
785 ngx_core_module);
|
|
|
786 if (old_ccf->environment) {
|
|
|
787 environ = old_ccf->environment;
|
|
|
788 }
|
|
|
789 }
|
|
|
790
|
|
160
|
791 /* rollback the new cycle configuration */
|
|
|
792
|
|
|
793 part = &cycle->open_files.part;
|
|
|
794 file = part->elts;
|
|
|
795
|
|
|
796 for (i = 0; /* void */ ; i++) {
|
|
|
797
|
|
|
798 if (i >= part->nelts) {
|
|
|
799 if (part->next == NULL) {
|
|
|
800 break;
|
|
|
801 }
|
|
|
802 part = part->next;
|
|
|
803 file = part->elts;
|
|
|
804 i = 0;
|
|
|
805 }
|
|
|
806
|
|
482
|
807 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr) {
|
|
160
|
808 continue;
|
|
|
809 }
|
|
|
810
|
|
|
811 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
812 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
813 ngx_close_file_n " \"%s\" failed",
|
|
|
814 file[i].name.data);
|
|
|
815 }
|
|
|
816 }
|
|
|
817
|
|
|
818 if (ngx_test_config) {
|
|
|
819 ngx_destroy_cycle_pools(&conf);
|
|
|
820 return NULL;
|
|
|
821 }
|
|
|
822
|
|
|
823 ls = cycle->listening.elts;
|
|
|
824 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
825 if (ls[i].fd == -1 || !ls[i].open) {
|
|
|
826 continue;
|
|
|
827 }
|
|
|
828
|
|
|
829 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
830 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
|
831 ngx_close_socket_n " %V failed",
|
|
|
832 &ls[i].addr_text);
|
|
|
833 }
|
|
|
834 }
|
|
|
835
|
|
|
836 ngx_destroy_cycle_pools(&conf);
|
|
|
837
|
|
|
838 return NULL;
|
|
0
|
839 }
|
|
|
840
|
|
|
841
|
|
154
|
842 static void
|
|
|
843 ngx_destroy_cycle_pools(ngx_conf_t *conf)
|
|
|
844 {
|
|
|
845 ngx_destroy_pool(conf->temp_pool);
|
|
|
846 ngx_destroy_pool(conf->pool);
|
|
|
847 }
|
|
|
848
|
|
|
849
|
|
112
|
850 static ngx_int_t
|
|
|
851 ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2)
|
|
10
|
852 {
|
|
448
|
853 struct sockaddr_in *sin1, *sin2;
|
|
|
854 #if (NGX_HAVE_INET6)
|
|
|
855 struct sockaddr_in6 *sin61, *sin62;
|
|
|
856 #endif
|
|
576
|
857 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
858 struct sockaddr_un *saun1, *saun2;
|
|
|
859 #endif
|
|
10
|
860
|
|
448
|
861 if (sa1->sa_family != sa2->sa_family) {
|
|
10
|
862 return NGX_DECLINED;
|
|
|
863 }
|
|
|
864
|
|
448
|
865 switch (sa1->sa_family) {
|
|
|
866
|
|
|
867 #if (NGX_HAVE_INET6)
|
|
|
868 case AF_INET6:
|
|
|
869 sin61 = (struct sockaddr_in6 *) sa1;
|
|
|
870 sin62 = (struct sockaddr_in6 *) sa2;
|
|
|
871
|
|
582
|
872 if (sin61->sin6_port != sin62->sin6_port) {
|
|
448
|
873 return NGX_DECLINED;
|
|
|
874 }
|
|
|
875
|
|
|
876 if (ngx_memcmp(&sin61->sin6_addr, &sin62->sin6_addr, 16) != 0) {
|
|
|
877 return NGX_DECLINED;
|
|
|
878 }
|
|
10
|
879
|
|
448
|
880 break;
|
|
|
881 #endif
|
|
|
882
|
|
576
|
883 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
884 case AF_UNIX:
|
|
|
885 saun1 = (struct sockaddr_un *) sa1;
|
|
|
886 saun2 = (struct sockaddr_un *) sa2;
|
|
|
887
|
|
|
888 if (ngx_memcmp(&saun1->sun_path, &saun2->sun_path,
|
|
|
889 sizeof(saun1->sun_path))
|
|
|
890 != 0)
|
|
|
891 {
|
|
|
892 return NGX_DECLINED;
|
|
|
893 }
|
|
|
894
|
|
|
895 break;
|
|
|
896 #endif
|
|
|
897
|
|
448
|
898 default: /* AF_INET */
|
|
|
899
|
|
|
900 sin1 = (struct sockaddr_in *) sa1;
|
|
|
901 sin2 = (struct sockaddr_in *) sa2;
|
|
10
|
902
|
|
448
|
903 if (sin1->sin_port != sin2->sin_port) {
|
|
|
904 return NGX_DECLINED;
|
|
|
905 }
|
|
|
906
|
|
|
907 if (sin1->sin_addr.s_addr != sin2->sin_addr.s_addr) {
|
|
|
908 return NGX_DECLINED;
|
|
|
909 }
|
|
|
910
|
|
|
911 break;
|
|
10
|
912 }
|
|
|
913
|
|
|
914 return NGX_OK;
|
|
|
915 }
|
|
|
916
|
|
|
917
|
|
480
|
918 static ngx_int_t
|
|
|
919 ngx_init_zone_pool(ngx_cycle_t *cycle, ngx_shm_zone_t *zn)
|
|
|
920 {
|
|
|
921 u_char *file;
|
|
|
922 ngx_slab_pool_t *sp;
|
|
|
923
|
|
|
924 sp = (ngx_slab_pool_t *) zn->shm.addr;
|
|
|
925
|
|
496
|
926 if (zn->shm.exists) {
|
|
|
927
|
|
|
928 if (sp == sp->addr) {
|
|
|
929 return NGX_OK;
|
|
|
930 }
|
|
|
931
|
|
|
932 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
933 "shared zone \"%V\" has no equal addresses: %p vs %p",
|
|
|
934 &zn->shm.name, sp->addr, sp);
|
|
|
935 return NGX_ERROR;
|
|
|
936 }
|
|
|
937
|
|
480
|
938 sp->end = zn->shm.addr + zn->shm.size;
|
|
|
939 sp->min_shift = 3;
|
|
496
|
940 sp->addr = zn->shm.addr;
|
|
480
|
941
|
|
|
942 #if (NGX_HAVE_ATOMIC_OPS)
|
|
|
943
|
|
|
944 file = NULL;
|
|
|
945
|
|
|
946 #else
|
|
|
947
|
|
|
948 file = ngx_pnalloc(cycle->pool, cycle->lock_file.len + zn->shm.name.len);
|
|
|
949 if (file == NULL) {
|
|
482
|
950 return NGX_ERROR;
|
|
480
|
951 }
|
|
|
952
|
|
|
953 (void) ngx_sprintf(file, "%V%V%Z", &cycle->lock_file, &zn->shm.name);
|
|
|
954
|
|
|
955 #endif
|
|
|
956
|
|
|
957 if (ngx_shmtx_create(&sp->mutex, (void *) &sp->lock, file) != NGX_OK) {
|
|
482
|
958 return NGX_ERROR;
|
|
480
|
959 }
|
|
|
960
|
|
|
961 ngx_slab_init(sp);
|
|
|
962
|
|
|
963 return NGX_OK;
|
|
|
964 }
|
|
|
965
|
|
0
|
966
|
|
112
|
967 ngx_int_t
|
|
160
|
968 ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log)
|
|
0
|
969 {
|
|
478
|
970 size_t len;
|
|
|
971 ngx_uint_t create;
|
|
|
972 ngx_file_t file;
|
|
|
973 u_char pid[NGX_INT64_LEN + 2];
|
|
0
|
974
|
|
480
|
975 if (ngx_process > NGX_PROCESS_MASTER) {
|
|
|
976 return NGX_OK;
|
|
|
977 }
|
|
|
978
|
|
0
|
979 ngx_memzero(&file, sizeof(ngx_file_t));
|
|
92
|
980
|
|
160
|
981 file.name = *name;
|
|
|
982 file.log = log;
|
|
0
|
983
|
|
478
|
984 create = ngx_test_config ? NGX_FILE_CREATE_OR_OPEN : NGX_FILE_TRUNCATE;
|
|
0
|
985
|
|
|
986 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR,
|
|
478
|
987 create, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
988
|
|
|
989 if (file.fd == NGX_INVALID_FILE) {
|
|
160
|
990 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
0
|
991 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
992 return NGX_ERROR;
|
|
|
993 }
|
|
|
994
|
|
|
995 if (!ngx_test_config) {
|
|
270
|
996 len = ngx_snprintf(pid, NGX_INT64_LEN + 2, "%P%N", ngx_pid) - pid;
|
|
10
|
997
|
|
0
|
998 if (ngx_write_file(&file, pid, len, 0) == NGX_ERROR) {
|
|
|
999 return NGX_ERROR;
|
|
|
1000 }
|
|
|
1001 }
|
|
|
1002
|
|
|
1003 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
160
|
1004 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
0
|
1005 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
1006 }
|
|
|
1007
|
|
|
1008 return NGX_OK;
|
|
|
1009 }
|
|
|
1010
|
|
|
1011
|
|
112
|
1012 void
|
|
|
1013 ngx_delete_pidfile(ngx_cycle_t *cycle)
|
|
126
|
1014 {
|
|
0
|
1015 u_char *name;
|
|
|
1016 ngx_core_conf_t *ccf;
|
|
|
1017
|
|
|
1018 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
1019
|
|
92
|
1020 name = ngx_new_binary ? ccf->oldpid.data : ccf->pid.data;
|
|
0
|
1021
|
|
|
1022 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
|
|
|
1023 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1024 ngx_delete_file_n " \"%s\" failed", name);
|
|
|
1025 }
|
|
|
1026 }
|
|
|
1027
|
|
|
1028
|
|
482
|
1029 ngx_int_t
|
|
|
1030 ngx_signal_process(ngx_cycle_t *cycle, char *sig)
|
|
|
1031 {
|
|
|
1032 ssize_t n;
|
|
|
1033 ngx_int_t pid;
|
|
|
1034 ngx_file_t file;
|
|
|
1035 ngx_core_conf_t *ccf;
|
|
|
1036 u_char buf[NGX_INT64_LEN + 2];
|
|
|
1037
|
|
|
1038 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "signal process started");
|
|
|
1039
|
|
|
1040 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
1041
|
|
|
1042 file.name = ccf->pid;
|
|
|
1043 file.log = cycle->log;
|
|
|
1044
|
|
|
1045 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDONLY,
|
|
|
1046 NGX_FILE_OPEN, NGX_FILE_DEFAULT_ACCESS);
|
|
|
1047
|
|
|
1048 if (file.fd == NGX_INVALID_FILE) {
|
|
|
1049 ngx_log_error(NGX_LOG_ERR, cycle->log, ngx_errno,
|
|
|
1050 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
1051 return 1;
|
|
|
1052 }
|
|
|
1053
|
|
|
1054 n = ngx_read_file(&file, buf, NGX_INT64_LEN + 2, 0);
|
|
|
1055
|
|
|
1056 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
|
1057 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1058 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
1059 }
|
|
|
1060
|
|
|
1061 if (n == NGX_ERROR) {
|
|
|
1062 return 1;
|
|
|
1063 }
|
|
|
1064
|
|
|
1065 while (n-- && (buf[n] == CR || buf[n] == LF)) { /* void */ }
|
|
|
1066
|
|
|
1067 pid = ngx_atoi(buf, ++n);
|
|
|
1068
|
|
|
1069 if (pid == NGX_ERROR) {
|
|
|
1070 ngx_log_error(NGX_LOG_ERR, cycle->log, 0,
|
|
|
1071 "invalid PID number \"%*s\" in \"%s\"",
|
|
|
1072 n, buf, file.name.data);
|
|
|
1073 return 1;
|
|
|
1074 }
|
|
|
1075
|
|
|
1076 return ngx_os_signal_process(cycle, sig, pid);
|
|
|
1077
|
|
|
1078 }
|
|
|
1079
|
|
|
1080
|
|
160
|
1081 static ngx_int_t
|
|
|
1082 ngx_test_lockfile(u_char *file, ngx_log_t *log)
|
|
|
1083 {
|
|
|
1084 #if !(NGX_HAVE_ATOMIC_OPS)
|
|
|
1085 ngx_fd_t fd;
|
|
|
1086
|
|
284
|
1087 fd = ngx_open_file(file, NGX_FILE_RDWR, NGX_FILE_CREATE_OR_OPEN,
|
|
|
1088 NGX_FILE_DEFAULT_ACCESS);
|
|
160
|
1089
|
|
|
1090 if (fd == NGX_INVALID_FILE) {
|
|
|
1091 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
1092 ngx_open_file_n " \"%s\" failed", file);
|
|
|
1093 return NGX_ERROR;
|
|
|
1094 }
|
|
|
1095
|
|
|
1096 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1097 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
1098 ngx_close_file_n " \"%s\" failed", file);
|
|
|
1099 }
|
|
|
1100
|
|
|
1101 if (ngx_delete_file(file) == NGX_FILE_ERROR) {
|
|
|
1102 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
1103 ngx_delete_file_n " \"%s\" failed", file);
|
|
|
1104 }
|
|
|
1105
|
|
|
1106 #endif
|
|
|
1107
|
|
|
1108 return NGX_OK;
|
|
|
1109 }
|
|
|
1110
|
|
|
1111
|
|
112
|
1112 void
|
|
|
1113 ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user)
|
|
0
|
1114 {
|
|
418
|
1115 ssize_t n, len;
|
|
0
|
1116 ngx_fd_t fd;
|
|
|
1117 ngx_uint_t i;
|
|
|
1118 ngx_list_part_t *part;
|
|
|
1119 ngx_open_file_t *file;
|
|
|
1120
|
|
|
1121 part = &cycle->open_files.part;
|
|
|
1122 file = part->elts;
|
|
|
1123
|
|
|
1124 for (i = 0; /* void */ ; i++) {
|
|
|
1125
|
|
|
1126 if (i >= part->nelts) {
|
|
|
1127 if (part->next == NULL) {
|
|
|
1128 break;
|
|
|
1129 }
|
|
|
1130 part = part->next;
|
|
72
|
1131 file = part->elts;
|
|
0
|
1132 i = 0;
|
|
|
1133 }
|
|
|
1134
|
|
482
|
1135 if (file[i].name.len == 0) {
|
|
0
|
1136 continue;
|
|
|
1137 }
|
|
|
1138
|
|
418
|
1139 len = file[i].pos - file[i].buffer;
|
|
|
1140
|
|
|
1141 if (file[i].buffer && len != 0) {
|
|
|
1142
|
|
|
1143 n = ngx_write_fd(file[i].fd, file[i].buffer, len);
|
|
|
1144
|
|
|
1145 if (n == NGX_FILE_ERROR) {
|
|
|
1146 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1147 ngx_write_fd_n " to \"%s\" failed",
|
|
|
1148 file[i].name.data);
|
|
|
1149
|
|
|
1150 } else if (n != len) {
|
|
|
1151 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
1152 ngx_write_fd_n " to \"%s\" was incomplete: %z of %uz",
|
|
|
1153 file[i].name.data, n, len);
|
|
|
1154 }
|
|
|
1155
|
|
120
|
1156 file[i].pos = file[i].buffer;
|
|
|
1157 }
|
|
|
1158
|
|
470
|
1159 fd = ngx_open_file(file[i].name.data, NGX_FILE_APPEND,
|
|
|
1160 NGX_FILE_CREATE_OR_OPEN, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
1161
|
|
|
1162 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
1163 "reopen file \"%s\", old:%d new:%d",
|
|
|
1164 file[i].name.data, file[i].fd, fd);
|
|
|
1165
|
|
|
1166 if (fd == NGX_INVALID_FILE) {
|
|
|
1167 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1168 ngx_open_file_n " \"%s\" failed", file[i].name.data);
|
|
|
1169 continue;
|
|
|
1170 }
|
|
|
1171
|
|
478
|
1172 #if !(NGX_WIN32)
|
|
66
|
1173 if (user != (ngx_uid_t) NGX_CONF_UNSET_UINT) {
|
|
356
|
1174 ngx_file_info_t fi;
|
|
2
|
1175
|
|
484
|
1176 if (ngx_file_info((const char *) file[i].name.data, &fi)
|
|
|
1177 == NGX_FILE_ERROR)
|
|
|
1178 {
|
|
2
|
1179 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1180 ngx_file_info_n " \"%s\" failed",
|
|
|
1181 file[i].name.data);
|
|
|
1182
|
|
|
1183 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1184 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1185 ngx_close_file_n " \"%s\" failed",
|
|
|
1186 file[i].name.data);
|
|
|
1187 }
|
|
|
1188 }
|
|
|
1189
|
|
16
|
1190 if (fi.st_uid != user) {
|
|
|
1191 if (chown((const char *) file[i].name.data, user, -1) == -1) {
|
|
|
1192 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1193 "chown(\"%s\", %d) failed",
|
|
|
1194 file[i].name.data, user);
|
|
|
1195
|
|
|
1196 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1197 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1198 ngx_close_file_n " \"%s\" failed",
|
|
|
1199 file[i].name.data);
|
|
|
1200 }
|
|
|
1201 }
|
|
|
1202 }
|
|
|
1203
|
|
2
|
1204 if ((fi.st_mode & (S_IRUSR|S_IWUSR)) != (S_IRUSR|S_IWUSR)) {
|
|
|
1205
|
|
|
1206 fi.st_mode |= (S_IRUSR|S_IWUSR);
|
|
|
1207
|
|
|
1208 if (chmod((const char *) file[i].name.data, fi.st_mode) == -1) {
|
|
|
1209 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
16
|
1210 "chmod() \"%s\" failed", file[i].name.data);
|
|
2
|
1211
|
|
|
1212 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1213 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1214 ngx_close_file_n " \"%s\" failed",
|
|
|
1215 file[i].name.data);
|
|
|
1216 }
|
|
|
1217 }
|
|
|
1218 }
|
|
0
|
1219 }
|
|
|
1220
|
|
|
1221 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
|
|
|
1222 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1223 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
1224 file[i].name.data);
|
|
|
1225
|
|
|
1226 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1227 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1228 ngx_close_file_n " \"%s\" failed",
|
|
|
1229 file[i].name.data);
|
|
|
1230 }
|
|
|
1231
|
|
|
1232 continue;
|
|
|
1233 }
|
|
|
1234 #endif
|
|
|
1235
|
|
|
1236 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
1237 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1238 ngx_close_file_n " \"%s\" failed",
|
|
|
1239 file[i].name.data);
|
|
|
1240 }
|
|
|
1241
|
|
|
1242 file[i].fd = fd;
|
|
|
1243 }
|
|
|
1244
|
|
10
|
1245 #if !(NGX_WIN32)
|
|
0
|
1246
|
|
|
1247 if (cycle->log->file->fd != STDERR_FILENO) {
|
|
|
1248 if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) {
|
|
|
1249 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1250 "dup2(STDERR) failed");
|
|
|
1251 }
|
|
|
1252 }
|
|
|
1253
|
|
|
1254 #endif
|
|
|
1255 }
|
|
|
1256
|
|
|
1257
|
|
272
|
1258 ngx_shm_zone_t *
|
|
|
1259 ngx_shared_memory_add(ngx_conf_t *cf, ngx_str_t *name, size_t size, void *tag)
|
|
|
1260 {
|
|
|
1261 ngx_uint_t i;
|
|
|
1262 ngx_shm_zone_t *shm_zone;
|
|
|
1263 ngx_list_part_t *part;
|
|
|
1264
|
|
|
1265 part = &cf->cycle->shared_memory.part;
|
|
|
1266 shm_zone = part->elts;
|
|
|
1267
|
|
|
1268 for (i = 0; /* void */ ; i++) {
|
|
|
1269
|
|
|
1270 if (i >= part->nelts) {
|
|
|
1271 if (part->next == NULL) {
|
|
|
1272 break;
|
|
|
1273 }
|
|
|
1274 part = part->next;
|
|
|
1275 shm_zone = part->elts;
|
|
|
1276 i = 0;
|
|
|
1277 }
|
|
|
1278
|
|
480
|
1279 if (name->len != shm_zone[i].shm.name.len) {
|
|
272
|
1280 continue;
|
|
|
1281 }
|
|
|
1282
|
|
480
|
1283 if (ngx_strncmp(name->data, shm_zone[i].shm.name.data, name->len)
|
|
|
1284 != 0)
|
|
|
1285 {
|
|
272
|
1286 continue;
|
|
|
1287 }
|
|
|
1288
|
|
|
1289 if (size && size != shm_zone[i].shm.size) {
|
|
|
1290 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
480
|
1291 "the size %uz of shared memory zone \"%V\" "
|
|
|
1292 "conflicts with already declared size %uz",
|
|
|
1293 size, &shm_zone[i].shm.name, shm_zone[i].shm.size);
|
|
272
|
1294 return NULL;
|
|
|
1295 }
|
|
|
1296
|
|
|
1297 if (tag != shm_zone[i].tag) {
|
|
|
1298 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
480
|
1299 "the shared memory zone \"%V\" is "
|
|
|
1300 "already declared for a different use",
|
|
|
1301 &shm_zone[i].shm.name);
|
|
272
|
1302 return NULL;
|
|
|
1303 }
|
|
|
1304
|
|
|
1305 return &shm_zone[i];
|
|
|
1306 }
|
|
|
1307
|
|
|
1308 shm_zone = ngx_list_push(&cf->cycle->shared_memory);
|
|
|
1309
|
|
|
1310 if (shm_zone == NULL) {
|
|
|
1311 return NULL;
|
|
|
1312 }
|
|
|
1313
|
|
|
1314 shm_zone->data = NULL;
|
|
|
1315 shm_zone->shm.log = cf->cycle->log;
|
|
|
1316 shm_zone->shm.size = size;
|
|
480
|
1317 shm_zone->shm.name = *name;
|
|
|
1318 shm_zone->shm.exists = 0;
|
|
272
|
1319 shm_zone->init = NULL;
|
|
|
1320 shm_zone->tag = tag;
|
|
|
1321
|
|
|
1322 return shm_zone;
|
|
|
1323 }
|
|
|
1324
|
|
|
1325
|
|
112
|
1326 static void
|
|
|
1327 ngx_clean_old_cycles(ngx_event_t *ev)
|
|
0
|
1328 {
|
|
|
1329 ngx_uint_t i, n, found, live;
|
|
|
1330 ngx_log_t *log;
|
|
|
1331 ngx_cycle_t **cycle;
|
|
|
1332
|
|
|
1333 log = ngx_cycle->log;
|
|
|
1334 ngx_temp_pool->log = log;
|
|
|
1335
|
|
|
1336 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycles");
|
|
|
1337
|
|
|
1338 live = 0;
|
|
|
1339
|
|
|
1340 cycle = ngx_old_cycles.elts;
|
|
|
1341 for (i = 0; i < ngx_old_cycles.nelts; i++) {
|
|
|
1342
|
|
|
1343 if (cycle[i] == NULL) {
|
|
|
1344 continue;
|
|
|
1345 }
|
|
|
1346
|
|
|
1347 found = 0;
|
|
|
1348
|
|
|
1349 for (n = 0; n < cycle[i]->connection_n; n++) {
|
|
110
|
1350 if (cycle[i]->connections[n].fd != (ngx_socket_t) -1) {
|
|
0
|
1351 found = 1;
|
|
|
1352
|
|
|
1353 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "live fd:%d", n);
|
|
|
1354
|
|
|
1355 break;
|
|
|
1356 }
|
|
|
1357 }
|
|
|
1358
|
|
|
1359 if (found) {
|
|
|
1360 live = 1;
|
|
|
1361 continue;
|
|
|
1362 }
|
|
|
1363
|
|
|
1364 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycle: %d", i);
|
|
|
1365
|
|
|
1366 ngx_destroy_pool(cycle[i]->pool);
|
|
|
1367 cycle[i] = NULL;
|
|
|
1368 }
|
|
|
1369
|
|
|
1370 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "old cycles status: %d", live);
|
|
|
1371
|
|
|
1372 if (live) {
|
|
|
1373 ngx_add_timer(ev, 30000);
|
|
|
1374
|
|
|
1375 } else {
|
|
|
1376 ngx_destroy_pool(ngx_temp_pool);
|
|
|
1377 ngx_temp_pool = NULL;
|
|
|
1378 ngx_old_cycles.nelts = 0;
|
|
|
1379 }
|
|
|
1380 }
|
