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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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660
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4 * Copyright (C) Nginx, Inc.
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0
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_event.h>
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11
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12
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154
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13 static void ngx_destroy_cycle_pools(ngx_conf_t *conf);
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28
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14 static ngx_int_t ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2);
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480
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15 static ngx_int_t ngx_init_zone_pool(ngx_cycle_t *cycle,
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16 ngx_shm_zone_t *shm_zone);
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17 static ngx_int_t ngx_test_lockfile(u_char *file, ngx_log_t *log);
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0
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18 static void ngx_clean_old_cycles(ngx_event_t *ev);
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19
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20
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21 volatile ngx_cycle_t *ngx_cycle;
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22 ngx_array_t ngx_old_cycles;
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23
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24 static ngx_pool_t *ngx_temp_pool;
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25 static ngx_event_t ngx_cleaner_event;
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26
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27 ngx_uint_t ngx_test_config;
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596
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28 ngx_uint_t ngx_quiet_mode;
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0
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29
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30 #if (NGX_THREADS)
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31 ngx_tls_key_t ngx_core_tls_key;
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32 #endif
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33
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34
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35 /* STUB NAME */
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36 static ngx_connection_t dumb;
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37 /* STUB */
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38
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39 static ngx_str_t error_log = ngx_string(NGX_ERROR_LOG_PATH);
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40
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41
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112
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42 ngx_cycle_t *
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43 ngx_init_cycle(ngx_cycle_t *old_cycle)
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0
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44 {
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356
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45 void *rv;
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46 char **senv, **env;
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47 ngx_uint_t i, n;
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48 ngx_log_t *log;
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404
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49 ngx_time_t *tp;
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356
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50 ngx_conf_t conf;
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51 ngx_pool_t *pool;
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52 ngx_cycle_t *cycle, **old;
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53 ngx_shm_zone_t *shm_zone, *oshm_zone;
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54 ngx_list_part_t *part, *opart;
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55 ngx_open_file_t *file;
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56 ngx_listening_t *ls, *nls;
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57 ngx_core_conf_t *ccf, *old_ccf;
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58 ngx_core_module_t *module;
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376
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59 char hostname[NGX_MAXHOSTNAMELEN];
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0
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60
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404
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61 ngx_timezone_update();
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62
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63 /* force localtime update with a new timezone */
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64
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65 tp = ngx_timeofday();
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66 tp->sec = 0;
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67
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566
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68 ngx_time_update();
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404
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69
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70
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0
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71 log = old_cycle->log;
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72
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56
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73 pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
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50
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74 if (pool == NULL) {
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0
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75 return NULL;
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76 }
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77 pool->log = log;
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78
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50
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79 cycle = ngx_pcalloc(pool, sizeof(ngx_cycle_t));
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80 if (cycle == NULL) {
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0
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81 ngx_destroy_pool(pool);
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82 return NULL;
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83 }
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50
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84
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0
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85 cycle->pool = pool;
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86 cycle->log = log;
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484
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87 cycle->new_log.log_level = NGX_LOG_ERR;
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0
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88 cycle->old_cycle = old_cycle;
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89
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482
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90 cycle->conf_prefix.len = old_cycle->conf_prefix.len;
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91 cycle->conf_prefix.data = ngx_pstrdup(pool, &old_cycle->conf_prefix);
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92 if (cycle->conf_prefix.data == NULL) {
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93 ngx_destroy_pool(pool);
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94 return NULL;
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95 }
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96
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97 cycle->prefix.len = old_cycle->prefix.len;
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98 cycle->prefix.data = ngx_pstrdup(pool, &old_cycle->prefix);
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99 if (cycle->prefix.data == NULL) {
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100 ngx_destroy_pool(pool);
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101 return NULL;
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102 }
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0
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103
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154
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104 cycle->conf_file.len = old_cycle->conf_file.len;
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382
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105 cycle->conf_file.data = ngx_pnalloc(pool, old_cycle->conf_file.len + 1);
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154
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106 if (cycle->conf_file.data == NULL) {
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107 ngx_destroy_pool(pool);
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108 return NULL;
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109 }
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110 ngx_cpystrn(cycle->conf_file.data, old_cycle->conf_file.data,
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111 old_cycle->conf_file.len + 1);
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112
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384
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113 cycle->conf_param.len = old_cycle->conf_param.len;
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482
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114 cycle->conf_param.data = ngx_pstrdup(pool, &old_cycle->conf_param);
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384
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115 if (cycle->conf_param.data == NULL) {
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116 ngx_destroy_pool(pool);
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117 return NULL;
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118 }
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119
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120
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688
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121 n = old_cycle->paths.nelts ? old_cycle->paths.nelts : 10;
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50
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122
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688
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123 cycle->paths.elts = ngx_pcalloc(pool, n * sizeof(ngx_path_t *));
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124 if (cycle->paths.elts == NULL) {
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0
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125 ngx_destroy_pool(pool);
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126 return NULL;
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127 }
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50
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128
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688
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129 cycle->paths.nelts = 0;
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130 cycle->paths.size = sizeof(ngx_path_t *);
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131 cycle->paths.nalloc = n;
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132 cycle->paths.pool = pool;
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0
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133
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134
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135 if (old_cycle->open_files.part.nelts) {
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136 n = old_cycle->open_files.part.nelts;
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137 for (part = old_cycle->open_files.part.next; part; part = part->next) {
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138 n += part->nelts;
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139 }
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140
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141 } else {
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142 n = 20;
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143 }
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144
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145 if (ngx_list_init(&cycle->open_files, pool, n, sizeof(ngx_open_file_t))
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454
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146 != NGX_OK)
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0
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147 {
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148 ngx_destroy_pool(pool);
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149 return NULL;
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150 }
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151
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152
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258
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153 if (old_cycle->shared_memory.part.nelts) {
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154 n = old_cycle->shared_memory.part.nelts;
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155 for (part = old_cycle->shared_memory.part.next; part; part = part->next)
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156 {
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157 n += part->nelts;
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158 }
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159
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160 } else {
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161 n = 1;
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162 }
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163
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164 if (ngx_list_init(&cycle->shared_memory, pool, n, sizeof(ngx_shm_zone_t))
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454
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165 != NGX_OK)
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258
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166 {
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167 ngx_destroy_pool(pool);
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168 return NULL;
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169 }
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170
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0
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171 n = old_cycle->listening.nelts ? old_cycle->listening.nelts : 10;
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50
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172
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0
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173 cycle->listening.elts = ngx_pcalloc(pool, n * sizeof(ngx_listening_t));
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174 if (cycle->listening.elts == NULL) {
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175 ngx_destroy_pool(pool);
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176 return NULL;
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177 }
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50
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178
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0
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179 cycle->listening.nelts = 0;
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180 cycle->listening.size = sizeof(ngx_listening_t);
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181 cycle->listening.nalloc = n;
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182 cycle->listening.pool = pool;
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183
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184
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618
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185 ngx_queue_init(&cycle->reusable_connections_queue);
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186
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187
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0
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188 cycle->conf_ctx = ngx_pcalloc(pool, ngx_max_module * sizeof(void *));
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189 if (cycle->conf_ctx == NULL) {
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190 ngx_destroy_pool(pool);
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191 return NULL;
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192 }
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193
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194
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376
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195 if (gethostname(hostname, NGX_MAXHOSTNAMELEN) == -1) {
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196 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "gethostname() failed");
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197 ngx_destroy_pool(pool);
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198 return NULL;
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199 }
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200
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201 /* on Linux gethostname() silently truncates name that does not fit */
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202
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203 hostname[NGX_MAXHOSTNAMELEN - 1] = '\0';
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204 cycle->hostname.len = ngx_strlen(hostname);
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205
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382
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206 cycle->hostname.data = ngx_pnalloc(pool, cycle->hostname.len);
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376
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207 if (cycle->hostname.data == NULL) {
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208 ngx_destroy_pool(pool);
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209 return NULL;
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210 }
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211
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538
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212 ngx_strlow(cycle->hostname.data, (u_char *) hostname, cycle->hostname.len);
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376
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213
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214
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0
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215 for (i = 0; ngx_modules[i]; i++) {
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216 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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217 continue;
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218 }
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219
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220 module = ngx_modules[i]->ctx;
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221
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222 if (module->create_conf) {
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223 rv = module->create_conf(cycle);
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496
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224 if (rv == NULL) {
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0
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225 ngx_destroy_pool(pool);
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226 return NULL;
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227 }
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228 cycle->conf_ctx[ngx_modules[i]->index] = rv;
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229 }
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230 }
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231
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232
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356
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233 senv = environ;
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234
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235
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0
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236 ngx_memzero(&conf, sizeof(ngx_conf_t));
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237 /* STUB: init array ? */
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50
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238 conf.args = ngx_array_create(pool, 10, sizeof(ngx_str_t));
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0
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239 if (conf.args == NULL) {
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240 ngx_destroy_pool(pool);
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241 return NULL;
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242 }
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243
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142
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244 conf.temp_pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
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245 if (conf.temp_pool == NULL) {
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246 ngx_destroy_pool(pool);
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247 return NULL;
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248 }
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249
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154
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250
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0
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251 conf.ctx = cycle->conf_ctx;
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252 conf.cycle = cycle;
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253 conf.pool = pool;
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254 conf.log = log;
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255 conf.module_type = NGX_CORE_MODULE;
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256 conf.cmd_type = NGX_MAIN_CONF;
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257
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4
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258 #if 0
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259 log->log_level = NGX_LOG_DEBUG_ALL;
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260 #endif
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0
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261
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384
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262 if (ngx_conf_param(&conf) != NGX_CONF_OK) {
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528
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263 environ = senv;
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384
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264 ngx_destroy_cycle_pools(&conf);
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265 return NULL;
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266 }
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267
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0
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268 if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) {
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528
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269 environ = senv;
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154
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270 ngx_destroy_cycle_pools(&conf);
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0
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271 return NULL;
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272 }
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273
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596
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274 if (ngx_test_config && !ngx_quiet_mode) {
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482
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275 ngx_log_stderr(0, "the configuration file %s syntax is ok",
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480
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276 cycle->conf_file.data);
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0
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277 }
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278
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279 for (i = 0; ngx_modules[i]; i++) {
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280 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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281 continue;
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282 }
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283
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284 module = ngx_modules[i]->ctx;
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285
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|
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286 if (module->init_conf) {
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287 if (module->init_conf(cycle, cycle->conf_ctx[ngx_modules[i]->index])
|
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142
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288 == NGX_CONF_ERROR)
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0
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289 {
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528
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290 environ = senv;
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154
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291 ngx_destroy_cycle_pools(&conf);
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0
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292 return NULL;
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293 }
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294 }
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295 }
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296
|
|
498
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297 if (ngx_process == NGX_PROCESS_SIGNALLER) {
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298 return cycle;
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299 }
|
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0
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300
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|
160
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301 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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0
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302
|
|
160
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303 if (ngx_test_config) {
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304
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|
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305 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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306 goto failed;
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307 }
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308
|
|
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309 } else if (!ngx_is_init_cycle(old_cycle)) {
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310
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|
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311 /*
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312 * we do not create the pid file in the first ngx_init_cycle() call
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313 * because we need to write the demonized process pid
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314 */
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315
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|
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316 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
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317 ngx_core_module);
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318 if (ccf->pid.len != old_ccf->pid.len
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319 || ngx_strcmp(ccf->pid.data, old_ccf->pid.data) != 0)
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320 {
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|
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321 /* new pid file name */
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322
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|
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323 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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324 goto failed;
|
|
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325 }
|
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326
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|
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327 ngx_delete_pidfile(old_cycle);
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|
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328 }
|
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0
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329 }
|
|
160
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330
|
|
0
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331
|
|
258
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332 if (ngx_test_lockfile(cycle->lock_file.data, log) != NGX_OK) {
|
|
160
|
333 goto failed;
|
|
|
334 }
|
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16
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335
|
|
160
|
336
|
|
688
|
337 if (ngx_create_paths(cycle, ccf->user) != NGX_OK) {
|
|
160
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338 goto failed;
|
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16
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339 }
|
|
|
340
|
|
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341
|
|
484
|
342 if (cycle->new_log.file == NULL) {
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|
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343 cycle->new_log.file = ngx_conf_open_file(cycle, &error_log);
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|
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344 if (cycle->new_log.file == NULL) {
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345 goto failed;
|
|
|
346 }
|
|
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347 }
|
|
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348
|
|
160
|
349 /* open the new files */
|
|
0
|
350
|
|
160
|
351 part = &cycle->open_files.part;
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|
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352 file = part->elts;
|
|
0
|
353
|
|
160
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354 for (i = 0; /* void */ ; i++) {
|
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0
|
355
|
|
160
|
356 if (i >= part->nelts) {
|
|
|
357 if (part->next == NULL) {
|
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0
|
358 break;
|
|
|
359 }
|
|
160
|
360 part = part->next;
|
|
|
361 file = part->elts;
|
|
|
362 i = 0;
|
|
|
363 }
|
|
|
364
|
|
482
|
365 if (file[i].name.len == 0) {
|
|
160
|
366 continue;
|
|
|
367 }
|
|
|
368
|
|
470
|
369 file[i].fd = ngx_open_file(file[i].name.data,
|
|
|
370 NGX_FILE_APPEND,
|
|
|
371 NGX_FILE_CREATE_OR_OPEN,
|
|
276
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372 NGX_FILE_DEFAULT_ACCESS);
|
|
160
|
373
|
|
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374 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
|
|
|
375 "log: %p %d \"%s\"",
|
|
|
376 &file[i], file[i].fd, file[i].name.data);
|
|
|
377
|
|
|
378 if (file[i].fd == NGX_INVALID_FILE) {
|
|
|
379 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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|
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380 ngx_open_file_n " \"%s\" failed",
|
|
|
381 file[i].name.data);
|
|
|
382 goto failed;
|
|
|
383 }
|
|
0
|
384
|
|
478
|
385 #if !(NGX_WIN32)
|
|
160
|
386 if (fcntl(file[i].fd, F_SETFD, FD_CLOEXEC) == -1) {
|
|
|
387 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
388 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
389 file[i].name.data);
|
|
|
390 goto failed;
|
|
|
391 }
|
|
0
|
392 #endif
|
|
|
393 }
|
|
|
394
|
|
484
|
395 cycle->log = &cycle->new_log;
|
|
|
396 pool->log = &cycle->new_log;
|
|
440
|
397
|
|
10
|
398
|
|
258
|
399 /* create shared memory */
|
|
|
400
|
|
|
401 part = &cycle->shared_memory.part;
|
|
272
|
402 shm_zone = part->elts;
|
|
258
|
403
|
|
|
404 for (i = 0; /* void */ ; i++) {
|
|
|
405
|
|
|
406 if (i >= part->nelts) {
|
|
|
407 if (part->next == NULL) {
|
|
|
408 break;
|
|
|
409 }
|
|
|
410 part = part->next;
|
|
272
|
411 shm_zone = part->elts;
|
|
258
|
412 i = 0;
|
|
|
413 }
|
|
|
414
|
|
272
|
415 if (shm_zone[i].shm.size == 0) {
|
|
|
416 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
|
417 "zero size shared memory zone \"%V\"",
|
|
480
|
418 &shm_zone[i].shm.name);
|
|
272
|
419 goto failed;
|
|
|
420 }
|
|
|
421
|
|
|
422 shm_zone[i].shm.log = cycle->log;
|
|
258
|
423
|
|
|
424 opart = &old_cycle->shared_memory.part;
|
|
272
|
425 oshm_zone = opart->elts;
|
|
258
|
426
|
|
|
427 for (n = 0; /* void */ ; n++) {
|
|
|
428
|
|
|
429 if (n >= opart->nelts) {
|
|
|
430 if (opart->next == NULL) {
|
|
|
431 break;
|
|
|
432 }
|
|
|
433 opart = opart->next;
|
|
272
|
434 oshm_zone = opart->elts;
|
|
258
|
435 n = 0;
|
|
|
436 }
|
|
|
437
|
|
480
|
438 if (shm_zone[i].shm.name.len != oshm_zone[n].shm.name.len) {
|
|
272
|
439 continue;
|
|
|
440 }
|
|
|
441
|
|
480
|
442 if (ngx_strncmp(shm_zone[i].shm.name.data,
|
|
|
443 oshm_zone[n].shm.name.data,
|
|
|
444 shm_zone[i].shm.name.len)
|
|
272
|
445 != 0)
|
|
|
446 {
|
|
258
|
447 continue;
|
|
|
448 }
|
|
|
449
|
|
692
|
450 if (shm_zone[i].tag == oshm_zone[n].tag
|
|
|
451 && shm_zone[i].shm.size == oshm_zone[n].shm.size)
|
|
|
452 {
|
|
272
|
453 shm_zone[i].shm.addr = oshm_zone[n].shm.addr;
|
|
|
454
|
|
|
455 if (shm_zone[i].init(&shm_zone[i], oshm_zone[n].data)
|
|
|
456 != NGX_OK)
|
|
|
457 {
|
|
|
458 goto failed;
|
|
|
459 }
|
|
|
460
|
|
|
461 goto shm_zone_found;
|
|
258
|
462 }
|
|
|
463
|
|
272
|
464 ngx_shm_free(&oshm_zone[n].shm);
|
|
258
|
465
|
|
|
466 break;
|
|
|
467 }
|
|
|
468
|
|
272
|
469 if (ngx_shm_alloc(&shm_zone[i].shm) != NGX_OK) {
|
|
258
|
470 goto failed;
|
|
|
471 }
|
|
|
472
|
|
496
|
473 if (ngx_init_zone_pool(cycle, &shm_zone[i]) != NGX_OK) {
|
|
|
474 goto failed;
|
|
258
|
475 }
|
|
|
476
|
|
272
|
477 if (shm_zone[i].init(&shm_zone[i], NULL) != NGX_OK) {
|
|
|
478 goto failed;
|
|
|
479 }
|
|
|
480
|
|
|
481 shm_zone_found:
|
|
258
|
482
|
|
|
483 continue;
|
|
|
484 }
|
|
|
485
|
|
|
486
|
|
160
|
487 /* handle the listening sockets */
|
|
10
|
488
|
|
160
|
489 if (old_cycle->listening.nelts) {
|
|
|
490 ls = old_cycle->listening.elts;
|
|
|
491 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
492 ls[i].remain = 0;
|
|
|
493 }
|
|
0
|
494
|
|
160
|
495 nls = cycle->listening.elts;
|
|
|
496 for (n = 0; n < cycle->listening.nelts; n++) {
|
|
10
|
497
|
|
160
|
498 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
499 if (ls[i].ignore) {
|
|
|
500 continue;
|
|
|
501 }
|
|
0
|
502
|
|
160
|
503 if (ngx_cmp_sockaddr(nls[n].sockaddr, ls[i].sockaddr) == NGX_OK)
|
|
|
504 {
|
|
|
505 nls[n].fd = ls[i].fd;
|
|
|
506 nls[n].previous = &ls[i];
|
|
|
507 ls[i].remain = 1;
|
|
72
|
508
|
|
160
|
509 if (ls[n].backlog != nls[i].backlog) {
|
|
|
510 nls[n].listen = 1;
|
|
|
511 }
|
|
86
|
512
|
|
72
|
513 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
514
|
|
160
|
515 /*
|
|
|
516 * FreeBSD, except the most recent versions,
|
|
|
517 * could not remove accept filter
|
|
|
518 */
|
|
|
519 nls[n].deferred_accept = ls[i].deferred_accept;
|
|
72
|
520
|
|
160
|
521 if (ls[i].accept_filter && nls[n].accept_filter) {
|
|
|
522 if (ngx_strcmp(ls[i].accept_filter,
|
|
|
523 nls[n].accept_filter)
|
|
|
524 != 0)
|
|
|
525 {
|
|
72
|
526 nls[n].delete_deferred = 1;
|
|
|
527 nls[n].add_deferred = 1;
|
|
|
528 }
|
|
160
|
529
|
|
|
530 } else if (ls[i].accept_filter) {
|
|
|
531 nls[n].delete_deferred = 1;
|
|
|
532
|
|
|
533 } else if (nls[n].accept_filter) {
|
|
|
534 nls[n].add_deferred = 1;
|
|
|
535 }
|
|
72
|
536 #endif
|
|
|
537
|
|
|
538 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
539
|
|
160
|
540 if (ls[n].deferred_accept && !nls[n].deferred_accept) {
|
|
|
541 nls[n].delete_deferred = 1;
|
|
72
|
542
|
|
160
|
543 } else if (ls[i].deferred_accept != nls[n].deferred_accept)
|
|
|
544 {
|
|
|
545 nls[n].add_deferred = 1;
|
|
|
546 }
|
|
72
|
547 #endif
|
|
160
|
548 break;
|
|
0
|
549 }
|
|
|
550 }
|
|
|
551
|
|
160
|
552 if (nls[n].fd == -1) {
|
|
|
553 nls[n].open = 1;
|
|
0
|
554 }
|
|
|
555 }
|
|
|
556
|
|
160
|
557 } else {
|
|
|
558 ls = cycle->listening.elts;
|
|
|
559 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
560 ls[i].open = 1;
|
|
|
561 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
562 if (ls[i].accept_filter) {
|
|
|
563 ls[i].add_deferred = 1;
|
|
0
|
564 }
|
|
160
|
565 #endif
|
|
|
566 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
567 if (ls[i].deferred_accept) {
|
|
|
568 ls[i].add_deferred = 1;
|
|
72
|
569 }
|
|
160
|
570 #endif
|
|
0
|
571 }
|
|
|
572 }
|
|
|
573
|
|
498
|
574 if (ngx_open_listening_sockets(cycle) != NGX_OK) {
|
|
|
575 goto failed;
|
|
|
576 }
|
|
0
|
577
|
|
498
|
578 if (!ngx_test_config) {
|
|
|
579 ngx_configure_listening_sockets(cycle);
|
|
0
|
580 }
|
|
|
581
|
|
|
582
|
|
|
583 /* commit the new cycle configuration */
|
|
|
584
|
|
482
|
585 if (!ngx_use_stderr && cycle->log->file->fd != ngx_stderr) {
|
|
0
|
586
|
|
482
|
587 if (ngx_set_stderr(cycle->log->file->fd) == NGX_FILE_ERROR) {
|
|
|
588 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
589 ngx_set_stderr_n " failed");
|
|
0
|
590 }
|
|
|
591 }
|
|
|
592
|
|
|
593 pool->log = cycle->log;
|
|
|
594
|
|
|
595 for (i = 0; ngx_modules[i]; i++) {
|
|
|
596 if (ngx_modules[i]->init_module) {
|
|
160
|
597 if (ngx_modules[i]->init_module(cycle) != NGX_OK) {
|
|
0
|
598 /* fatal */
|
|
|
599 exit(1);
|
|
|
600 }
|
|
|
601 }
|
|
|
602 }
|
|
|
603
|
|
16
|
604
|
|
0
|
605 /* close and delete stuff that lefts from an old cycle */
|
|
|
606
|
|
272
|
607 /* free the unnecessary shared memory */
|
|
|
608
|
|
|
609 opart = &old_cycle->shared_memory.part;
|
|
|
610 oshm_zone = opart->elts;
|
|
|
611
|
|
|
612 for (i = 0; /* void */ ; i++) {
|
|
|
613
|
|
|
614 if (i >= opart->nelts) {
|
|
|
615 if (opart->next == NULL) {
|
|
|
616 goto old_shm_zone_done;
|
|
|
617 }
|
|
|
618 opart = opart->next;
|
|
|
619 oshm_zone = opart->elts;
|
|
|
620 i = 0;
|
|
|
621 }
|
|
|
622
|
|
|
623 part = &cycle->shared_memory.part;
|
|
|
624 shm_zone = part->elts;
|
|
|
625
|
|
|
626 for (n = 0; /* void */ ; n++) {
|
|
|
627
|
|
|
628 if (n >= part->nelts) {
|
|
|
629 if (part->next == NULL) {
|
|
|
630 break;
|
|
|
631 }
|
|
|
632 part = part->next;
|
|
|
633 shm_zone = part->elts;
|
|
|
634 n = 0;
|
|
|
635 }
|
|
|
636
|
|
480
|
637 if (oshm_zone[i].shm.name.len == shm_zone[n].shm.name.len
|
|
|
638 && ngx_strncmp(oshm_zone[i].shm.name.data,
|
|
|
639 shm_zone[n].shm.name.data,
|
|
|
640 oshm_zone[i].shm.name.len)
|
|
272
|
641 == 0)
|
|
|
642 {
|
|
|
643 goto live_shm_zone;
|
|
|
644 }
|
|
|
645 }
|
|
|
646
|
|
|
647 ngx_shm_free(&oshm_zone[i].shm);
|
|
|
648
|
|
|
649 live_shm_zone:
|
|
|
650
|
|
|
651 continue;
|
|
|
652 }
|
|
|
653
|
|
|
654 old_shm_zone_done:
|
|
|
655
|
|
|
656
|
|
|
657 /* close the unnecessary listening sockets */
|
|
0
|
658
|
|
|
659 ls = old_cycle->listening.elts;
|
|
|
660 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
498
|
661
|
|
|
662 if (ls[i].remain || ls[i].fd == -1) {
|
|
0
|
663 continue;
|
|
|
664 }
|
|
|
665
|
|
|
666 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
667 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
92
|
668 ngx_close_socket_n " listening socket on %V failed",
|
|
10
|
669 &ls[i].addr_text);
|
|
0
|
670 }
|
|
576
|
671
|
|
|
672 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
673
|
|
|
674 if (ls[i].sockaddr->sa_family == AF_UNIX) {
|
|
|
675 u_char *name;
|
|
|
676
|
|
|
677 name = ls[i].addr_text.data + sizeof("unix:") - 1;
|
|
|
678
|
|
|
679 ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
680 "deleting socket %s", name);
|
|
|
681
|
|
|
682 if (ngx_delete_file(name) == -1) {
|
|
|
683 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
|
|
|
684 ngx_delete_file_n " %s failed", name);
|
|
|
685 }
|
|
|
686 }
|
|
|
687
|
|
|
688 #endif
|
|
0
|
689 }
|
|
|
690
|
|
|
691
|
|
272
|
692 /* close the unnecessary open files */
|
|
0
|
693
|
|
|
694 part = &old_cycle->open_files.part;
|
|
|
695 file = part->elts;
|
|
|
696
|
|
|
697 for (i = 0; /* void */ ; i++) {
|
|
|
698
|
|
|
699 if (i >= part->nelts) {
|
|
|
700 if (part->next == NULL) {
|
|
|
701 break;
|
|
|
702 }
|
|
|
703 part = part->next;
|
|
|
704 file = part->elts;
|
|
|
705 i = 0;
|
|
|
706 }
|
|
|
707
|
|
482
|
708 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr) {
|
|
0
|
709 continue;
|
|
|
710 }
|
|
|
711
|
|
|
712 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
713 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
714 ngx_close_file_n " \"%s\" failed",
|
|
|
715 file[i].name.data);
|
|
|
716 }
|
|
|
717 }
|
|
|
718
|
|
142
|
719 ngx_destroy_pool(conf.temp_pool);
|
|
|
720
|
|
154
|
721 if (ngx_process == NGX_PROCESS_MASTER || ngx_is_init_cycle(old_cycle)) {
|
|
|
722
|
|
356
|
723 /*
|
|
528
|
724 * perl_destruct() frees environ, if it is not the same as it was at
|
|
|
725 * perl_construct() time, therefore we save the previous cycle
|
|
356
|
726 * environment before ngx_conf_parse() where it will be changed.
|
|
|
727 */
|
|
|
728
|
|
|
729 env = environ;
|
|
|
730 environ = senv;
|
|
|
731
|
|
0
|
732 ngx_destroy_pool(old_cycle->pool);
|
|
160
|
733 cycle->old_cycle = NULL;
|
|
|
734
|
|
356
|
735 environ = env;
|
|
|
736
|
|
0
|
737 return cycle;
|
|
|
738 }
|
|
|
739
|
|
|
740
|
|
|
741 if (ngx_temp_pool == NULL) {
|
|
|
742 ngx_temp_pool = ngx_create_pool(128, cycle->log);
|
|
|
743 if (ngx_temp_pool == NULL) {
|
|
|
744 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
640
|
745 "could not create ngx_temp_pool");
|
|
0
|
746 exit(1);
|
|
|
747 }
|
|
|
748
|
|
|
749 n = 10;
|
|
|
750 ngx_old_cycles.elts = ngx_pcalloc(ngx_temp_pool,
|
|
|
751 n * sizeof(ngx_cycle_t *));
|
|
|
752 if (ngx_old_cycles.elts == NULL) {
|
|
|
753 exit(1);
|
|
|
754 }
|
|
|
755 ngx_old_cycles.nelts = 0;
|
|
|
756 ngx_old_cycles.size = sizeof(ngx_cycle_t *);
|
|
|
757 ngx_old_cycles.nalloc = n;
|
|
|
758 ngx_old_cycles.pool = ngx_temp_pool;
|
|
|
759
|
|
58
|
760 ngx_cleaner_event.handler = ngx_clean_old_cycles;
|
|
0
|
761 ngx_cleaner_event.log = cycle->log;
|
|
|
762 ngx_cleaner_event.data = &dumb;
|
|
|
763 dumb.fd = (ngx_socket_t) -1;
|
|
|
764 }
|
|
|
765
|
|
|
766 ngx_temp_pool->log = cycle->log;
|
|
|
767
|
|
50
|
768 old = ngx_array_push(&ngx_old_cycles);
|
|
0
|
769 if (old == NULL) {
|
|
|
770 exit(1);
|
|
|
771 }
|
|
|
772 *old = old_cycle;
|
|
|
773
|
|
|
774 if (!ngx_cleaner_event.timer_set) {
|
|
|
775 ngx_add_timer(&ngx_cleaner_event, 30000);
|
|
|
776 ngx_cleaner_event.timer_set = 1;
|
|
|
777 }
|
|
|
778
|
|
|
779 return cycle;
|
|
160
|
780
|
|
|
781
|
|
|
782 failed:
|
|
|
783
|
|
296
|
784 if (!ngx_is_init_cycle(old_cycle)) {
|
|
|
785 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
|
|
|
786 ngx_core_module);
|
|
|
787 if (old_ccf->environment) {
|
|
|
788 environ = old_ccf->environment;
|
|
|
789 }
|
|
|
790 }
|
|
|
791
|
|
160
|
792 /* rollback the new cycle configuration */
|
|
|
793
|
|
|
794 part = &cycle->open_files.part;
|
|
|
795 file = part->elts;
|
|
|
796
|
|
|
797 for (i = 0; /* void */ ; i++) {
|
|
|
798
|
|
|
799 if (i >= part->nelts) {
|
|
|
800 if (part->next == NULL) {
|
|
|
801 break;
|
|
|
802 }
|
|
|
803 part = part->next;
|
|
|
804 file = part->elts;
|
|
|
805 i = 0;
|
|
|
806 }
|
|
|
807
|
|
482
|
808 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr) {
|
|
160
|
809 continue;
|
|
|
810 }
|
|
|
811
|
|
|
812 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
813 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
814 ngx_close_file_n " \"%s\" failed",
|
|
|
815 file[i].name.data);
|
|
|
816 }
|
|
|
817 }
|
|
|
818
|
|
|
819 if (ngx_test_config) {
|
|
|
820 ngx_destroy_cycle_pools(&conf);
|
|
|
821 return NULL;
|
|
|
822 }
|
|
|
823
|
|
|
824 ls = cycle->listening.elts;
|
|
|
825 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
826 if (ls[i].fd == -1 || !ls[i].open) {
|
|
|
827 continue;
|
|
|
828 }
|
|
|
829
|
|
|
830 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
831 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
|
832 ngx_close_socket_n " %V failed",
|
|
|
833 &ls[i].addr_text);
|
|
|
834 }
|
|
|
835 }
|
|
|
836
|
|
|
837 ngx_destroy_cycle_pools(&conf);
|
|
|
838
|
|
|
839 return NULL;
|
|
0
|
840 }
|
|
|
841
|
|
|
842
|
|
154
|
843 static void
|
|
|
844 ngx_destroy_cycle_pools(ngx_conf_t *conf)
|
|
|
845 {
|
|
|
846 ngx_destroy_pool(conf->temp_pool);
|
|
|
847 ngx_destroy_pool(conf->pool);
|
|
|
848 }
|
|
|
849
|
|
|
850
|
|
112
|
851 static ngx_int_t
|
|
|
852 ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2)
|
|
10
|
853 {
|
|
448
|
854 struct sockaddr_in *sin1, *sin2;
|
|
|
855 #if (NGX_HAVE_INET6)
|
|
|
856 struct sockaddr_in6 *sin61, *sin62;
|
|
|
857 #endif
|
|
576
|
858 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
859 struct sockaddr_un *saun1, *saun2;
|
|
|
860 #endif
|
|
10
|
861
|
|
448
|
862 if (sa1->sa_family != sa2->sa_family) {
|
|
10
|
863 return NGX_DECLINED;
|
|
|
864 }
|
|
|
865
|
|
448
|
866 switch (sa1->sa_family) {
|
|
|
867
|
|
|
868 #if (NGX_HAVE_INET6)
|
|
|
869 case AF_INET6:
|
|
|
870 sin61 = (struct sockaddr_in6 *) sa1;
|
|
|
871 sin62 = (struct sockaddr_in6 *) sa2;
|
|
|
872
|
|
582
|
873 if (sin61->sin6_port != sin62->sin6_port) {
|
|
448
|
874 return NGX_DECLINED;
|
|
|
875 }
|
|
|
876
|
|
|
877 if (ngx_memcmp(&sin61->sin6_addr, &sin62->sin6_addr, 16) != 0) {
|
|
|
878 return NGX_DECLINED;
|
|
|
879 }
|
|
10
|
880
|
|
448
|
881 break;
|
|
|
882 #endif
|
|
|
883
|
|
576
|
884 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
885 case AF_UNIX:
|
|
|
886 saun1 = (struct sockaddr_un *) sa1;
|
|
|
887 saun2 = (struct sockaddr_un *) sa2;
|
|
|
888
|
|
|
889 if (ngx_memcmp(&saun1->sun_path, &saun2->sun_path,
|
|
|
890 sizeof(saun1->sun_path))
|
|
|
891 != 0)
|
|
|
892 {
|
|
|
893 return NGX_DECLINED;
|
|
|
894 }
|
|
|
895
|
|
|
896 break;
|
|
|
897 #endif
|
|
|
898
|
|
448
|
899 default: /* AF_INET */
|
|
|
900
|
|
|
901 sin1 = (struct sockaddr_in *) sa1;
|
|
|
902 sin2 = (struct sockaddr_in *) sa2;
|
|
10
|
903
|
|
448
|
904 if (sin1->sin_port != sin2->sin_port) {
|
|
|
905 return NGX_DECLINED;
|
|
|
906 }
|
|
|
907
|
|
|
908 if (sin1->sin_addr.s_addr != sin2->sin_addr.s_addr) {
|
|
|
909 return NGX_DECLINED;
|
|
|
910 }
|
|
|
911
|
|
|
912 break;
|
|
10
|
913 }
|
|
|
914
|
|
|
915 return NGX_OK;
|
|
|
916 }
|
|
|
917
|
|
|
918
|
|
480
|
919 static ngx_int_t
|
|
|
920 ngx_init_zone_pool(ngx_cycle_t *cycle, ngx_shm_zone_t *zn)
|
|
|
921 {
|
|
|
922 u_char *file;
|
|
|
923 ngx_slab_pool_t *sp;
|
|
|
924
|
|
|
925 sp = (ngx_slab_pool_t *) zn->shm.addr;
|
|
|
926
|
|
496
|
927 if (zn->shm.exists) {
|
|
|
928
|
|
|
929 if (sp == sp->addr) {
|
|
|
930 return NGX_OK;
|
|
|
931 }
|
|
|
932
|
|
|
933 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
934 "shared zone \"%V\" has no equal addresses: %p vs %p",
|
|
|
935 &zn->shm.name, sp->addr, sp);
|
|
|
936 return NGX_ERROR;
|
|
|
937 }
|
|
|
938
|
|
480
|
939 sp->end = zn->shm.addr + zn->shm.size;
|
|
|
940 sp->min_shift = 3;
|
|
496
|
941 sp->addr = zn->shm.addr;
|
|
480
|
942
|
|
|
943 #if (NGX_HAVE_ATOMIC_OPS)
|
|
|
944
|
|
|
945 file = NULL;
|
|
|
946
|
|
|
947 #else
|
|
|
948
|
|
|
949 file = ngx_pnalloc(cycle->pool, cycle->lock_file.len + zn->shm.name.len);
|
|
|
950 if (file == NULL) {
|
|
482
|
951 return NGX_ERROR;
|
|
480
|
952 }
|
|
|
953
|
|
|
954 (void) ngx_sprintf(file, "%V%V%Z", &cycle->lock_file, &zn->shm.name);
|
|
|
955
|
|
|
956 #endif
|
|
|
957
|
|
650
|
958 if (ngx_shmtx_create(&sp->mutex, &sp->lock, file) != NGX_OK) {
|
|
482
|
959 return NGX_ERROR;
|
|
480
|
960 }
|
|
|
961
|
|
|
962 ngx_slab_init(sp);
|
|
|
963
|
|
|
964 return NGX_OK;
|
|
|
965 }
|
|
|
966
|
|
0
|
967
|
|
112
|
968 ngx_int_t
|
|
160
|
969 ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log)
|
|
0
|
970 {
|
|
478
|
971 size_t len;
|
|
|
972 ngx_uint_t create;
|
|
|
973 ngx_file_t file;
|
|
|
974 u_char pid[NGX_INT64_LEN + 2];
|
|
0
|
975
|
|
480
|
976 if (ngx_process > NGX_PROCESS_MASTER) {
|
|
|
977 return NGX_OK;
|
|
|
978 }
|
|
|
979
|
|
0
|
980 ngx_memzero(&file, sizeof(ngx_file_t));
|
|
92
|
981
|
|
160
|
982 file.name = *name;
|
|
|
983 file.log = log;
|
|
0
|
984
|
|
478
|
985 create = ngx_test_config ? NGX_FILE_CREATE_OR_OPEN : NGX_FILE_TRUNCATE;
|
|
0
|
986
|
|
|
987 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR,
|
|
478
|
988 create, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
989
|
|
|
990 if (file.fd == NGX_INVALID_FILE) {
|
|
160
|
991 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
0
|
992 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
993 return NGX_ERROR;
|
|
|
994 }
|
|
|
995
|
|
|
996 if (!ngx_test_config) {
|
|
270
|
997 len = ngx_snprintf(pid, NGX_INT64_LEN + 2, "%P%N", ngx_pid) - pid;
|
|
10
|
998
|
|
0
|
999 if (ngx_write_file(&file, pid, len, 0) == NGX_ERROR) {
|
|
|
1000 return NGX_ERROR;
|
|
|
1001 }
|
|
|
1002 }
|
|
|
1003
|
|
|
1004 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
160
|
1005 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
0
|
1006 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
1007 }
|
|
|
1008
|
|
|
1009 return NGX_OK;
|
|
|
1010 }
|
|
|
1011
|
|
|
1012
|
|
112
|
1013 void
|
|
|
1014 ngx_delete_pidfile(ngx_cycle_t *cycle)
|
|
126
|
1015 {
|
|
0
|
1016 u_char *name;
|
|
|
1017 ngx_core_conf_t *ccf;
|
|
|
1018
|
|
|
1019 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
1020
|
|
92
|
1021 name = ngx_new_binary ? ccf->oldpid.data : ccf->pid.data;
|
|
0
|
1022
|
|
|
1023 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
|
|
|
1024 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1025 ngx_delete_file_n " \"%s\" failed", name);
|
|
|
1026 }
|
|
|
1027 }
|
|
|
1028
|
|
|
1029
|
|
482
|
1030 ngx_int_t
|
|
|
1031 ngx_signal_process(ngx_cycle_t *cycle, char *sig)
|
|
|
1032 {
|
|
|
1033 ssize_t n;
|
|
|
1034 ngx_int_t pid;
|
|
|
1035 ngx_file_t file;
|
|
|
1036 ngx_core_conf_t *ccf;
|
|
|
1037 u_char buf[NGX_INT64_LEN + 2];
|
|
|
1038
|
|
|
1039 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "signal process started");
|
|
|
1040
|
|
|
1041 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
1042
|
|
688
|
1043 ngx_memzero(&file, sizeof(ngx_file_t));
|
|
|
1044
|
|
482
|
1045 file.name = ccf->pid;
|
|
|
1046 file.log = cycle->log;
|
|
|
1047
|
|
|
1048 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDONLY,
|
|
|
1049 NGX_FILE_OPEN, NGX_FILE_DEFAULT_ACCESS);
|
|
|
1050
|
|
|
1051 if (file.fd == NGX_INVALID_FILE) {
|
|
|
1052 ngx_log_error(NGX_LOG_ERR, cycle->log, ngx_errno,
|
|
|
1053 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
1054 return 1;
|
|
|
1055 }
|
|
|
1056
|
|
|
1057 n = ngx_read_file(&file, buf, NGX_INT64_LEN + 2, 0);
|
|
|
1058
|
|
|
1059 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
|
1060 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1061 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
1062 }
|
|
|
1063
|
|
|
1064 if (n == NGX_ERROR) {
|
|
|
1065 return 1;
|
|
|
1066 }
|
|
|
1067
|
|
|
1068 while (n-- && (buf[n] == CR || buf[n] == LF)) { /* void */ }
|
|
|
1069
|
|
|
1070 pid = ngx_atoi(buf, ++n);
|
|
|
1071
|
|
|
1072 if (pid == NGX_ERROR) {
|
|
|
1073 ngx_log_error(NGX_LOG_ERR, cycle->log, 0,
|
|
|
1074 "invalid PID number \"%*s\" in \"%s\"",
|
|
|
1075 n, buf, file.name.data);
|
|
|
1076 return 1;
|
|
|
1077 }
|
|
|
1078
|
|
|
1079 return ngx_os_signal_process(cycle, sig, pid);
|
|
|
1080
|
|
|
1081 }
|
|
|
1082
|
|
|
1083
|
|
160
|
1084 static ngx_int_t
|
|
|
1085 ngx_test_lockfile(u_char *file, ngx_log_t *log)
|
|
|
1086 {
|
|
|
1087 #if !(NGX_HAVE_ATOMIC_OPS)
|
|
|
1088 ngx_fd_t fd;
|
|
|
1089
|
|
284
|
1090 fd = ngx_open_file(file, NGX_FILE_RDWR, NGX_FILE_CREATE_OR_OPEN,
|
|
|
1091 NGX_FILE_DEFAULT_ACCESS);
|
|
160
|
1092
|
|
|
1093 if (fd == NGX_INVALID_FILE) {
|
|
|
1094 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
1095 ngx_open_file_n " \"%s\" failed", file);
|
|
|
1096 return NGX_ERROR;
|
|
|
1097 }
|
|
|
1098
|
|
|
1099 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1100 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
1101 ngx_close_file_n " \"%s\" failed", file);
|
|
|
1102 }
|
|
|
1103
|
|
|
1104 if (ngx_delete_file(file) == NGX_FILE_ERROR) {
|
|
|
1105 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
1106 ngx_delete_file_n " \"%s\" failed", file);
|
|
|
1107 }
|
|
|
1108
|
|
|
1109 #endif
|
|
|
1110
|
|
|
1111 return NGX_OK;
|
|
|
1112 }
|
|
|
1113
|
|
|
1114
|
|
112
|
1115 void
|
|
|
1116 ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user)
|
|
0
|
1117 {
|
|
|
1118 ngx_fd_t fd;
|
|
|
1119 ngx_uint_t i;
|
|
|
1120 ngx_list_part_t *part;
|
|
|
1121 ngx_open_file_t *file;
|
|
|
1122
|
|
|
1123 part = &cycle->open_files.part;
|
|
|
1124 file = part->elts;
|
|
|
1125
|
|
|
1126 for (i = 0; /* void */ ; i++) {
|
|
|
1127
|
|
|
1128 if (i >= part->nelts) {
|
|
|
1129 if (part->next == NULL) {
|
|
|
1130 break;
|
|
|
1131 }
|
|
|
1132 part = part->next;
|
|
72
|
1133 file = part->elts;
|
|
0
|
1134 i = 0;
|
|
|
1135 }
|
|
|
1136
|
|
482
|
1137 if (file[i].name.len == 0) {
|
|
0
|
1138 continue;
|
|
|
1139 }
|
|
|
1140
|
|
694
|
1141 if (file[i].flush) {
|
|
|
1142 file[i].flush(&file[i], cycle->log);
|
|
120
|
1143 }
|
|
|
1144
|
|
470
|
1145 fd = ngx_open_file(file[i].name.data, NGX_FILE_APPEND,
|
|
|
1146 NGX_FILE_CREATE_OR_OPEN, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
1147
|
|
|
1148 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
1149 "reopen file \"%s\", old:%d new:%d",
|
|
|
1150 file[i].name.data, file[i].fd, fd);
|
|
|
1151
|
|
|
1152 if (fd == NGX_INVALID_FILE) {
|
|
|
1153 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1154 ngx_open_file_n " \"%s\" failed", file[i].name.data);
|
|
|
1155 continue;
|
|
|
1156 }
|
|
|
1157
|
|
478
|
1158 #if !(NGX_WIN32)
|
|
66
|
1159 if (user != (ngx_uid_t) NGX_CONF_UNSET_UINT) {
|
|
356
|
1160 ngx_file_info_t fi;
|
|
2
|
1161
|
|
484
|
1162 if (ngx_file_info((const char *) file[i].name.data, &fi)
|
|
|
1163 == NGX_FILE_ERROR)
|
|
|
1164 {
|
|
2
|
1165 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1166 ngx_file_info_n " \"%s\" failed",
|
|
|
1167 file[i].name.data);
|
|
|
1168
|
|
|
1169 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1170 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1171 ngx_close_file_n " \"%s\" failed",
|
|
|
1172 file[i].name.data);
|
|
|
1173 }
|
|
|
1174 }
|
|
|
1175
|
|
16
|
1176 if (fi.st_uid != user) {
|
|
|
1177 if (chown((const char *) file[i].name.data, user, -1) == -1) {
|
|
|
1178 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1179 "chown(\"%s\", %d) failed",
|
|
|
1180 file[i].name.data, user);
|
|
|
1181
|
|
|
1182 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1183 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1184 ngx_close_file_n " \"%s\" failed",
|
|
|
1185 file[i].name.data);
|
|
|
1186 }
|
|
|
1187 }
|
|
|
1188 }
|
|
|
1189
|
|
2
|
1190 if ((fi.st_mode & (S_IRUSR|S_IWUSR)) != (S_IRUSR|S_IWUSR)) {
|
|
|
1191
|
|
|
1192 fi.st_mode |= (S_IRUSR|S_IWUSR);
|
|
|
1193
|
|
|
1194 if (chmod((const char *) file[i].name.data, fi.st_mode) == -1) {
|
|
|
1195 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
16
|
1196 "chmod() \"%s\" failed", file[i].name.data);
|
|
2
|
1197
|
|
|
1198 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1199 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1200 ngx_close_file_n " \"%s\" failed",
|
|
|
1201 file[i].name.data);
|
|
|
1202 }
|
|
|
1203 }
|
|
|
1204 }
|
|
0
|
1205 }
|
|
|
1206
|
|
|
1207 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
|
|
|
1208 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1209 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
1210 file[i].name.data);
|
|
|
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 continue;
|
|
|
1219 }
|
|
|
1220 #endif
|
|
|
1221
|
|
|
1222 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
1223 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1224 ngx_close_file_n " \"%s\" failed",
|
|
|
1225 file[i].name.data);
|
|
|
1226 }
|
|
|
1227
|
|
|
1228 file[i].fd = fd;
|
|
|
1229 }
|
|
|
1230
|
|
10
|
1231 #if !(NGX_WIN32)
|
|
0
|
1232
|
|
|
1233 if (cycle->log->file->fd != STDERR_FILENO) {
|
|
|
1234 if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) {
|
|
|
1235 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1236 "dup2(STDERR) failed");
|
|
|
1237 }
|
|
|
1238 }
|
|
|
1239
|
|
|
1240 #endif
|
|
|
1241 }
|
|
|
1242
|
|
|
1243
|
|
272
|
1244 ngx_shm_zone_t *
|
|
|
1245 ngx_shared_memory_add(ngx_conf_t *cf, ngx_str_t *name, size_t size, void *tag)
|
|
|
1246 {
|
|
|
1247 ngx_uint_t i;
|
|
|
1248 ngx_shm_zone_t *shm_zone;
|
|
|
1249 ngx_list_part_t *part;
|
|
|
1250
|
|
|
1251 part = &cf->cycle->shared_memory.part;
|
|
|
1252 shm_zone = part->elts;
|
|
|
1253
|
|
|
1254 for (i = 0; /* void */ ; i++) {
|
|
|
1255
|
|
|
1256 if (i >= part->nelts) {
|
|
|
1257 if (part->next == NULL) {
|
|
|
1258 break;
|
|
|
1259 }
|
|
|
1260 part = part->next;
|
|
|
1261 shm_zone = part->elts;
|
|
|
1262 i = 0;
|
|
|
1263 }
|
|
|
1264
|
|
480
|
1265 if (name->len != shm_zone[i].shm.name.len) {
|
|
272
|
1266 continue;
|
|
|
1267 }
|
|
|
1268
|
|
480
|
1269 if (ngx_strncmp(name->data, shm_zone[i].shm.name.data, name->len)
|
|
|
1270 != 0)
|
|
|
1271 {
|
|
272
|
1272 continue;
|
|
|
1273 }
|
|
|
1274
|
|
684
|
1275 if (tag != shm_zone[i].tag) {
|
|
|
1276 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1277 "the shared memory zone \"%V\" is "
|
|
|
1278 "already declared for a different use",
|
|
|
1279 &shm_zone[i].shm.name);
|
|
|
1280 return NULL;
|
|
|
1281 }
|
|
|
1282
|
|
272
|
1283 if (size && size != shm_zone[i].shm.size) {
|
|
|
1284 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
480
|
1285 "the size %uz of shared memory zone \"%V\" "
|
|
|
1286 "conflicts with already declared size %uz",
|
|
|
1287 size, &shm_zone[i].shm.name, shm_zone[i].shm.size);
|
|
272
|
1288 return NULL;
|
|
|
1289 }
|
|
|
1290
|
|
|
1291 return &shm_zone[i];
|
|
|
1292 }
|
|
|
1293
|
|
|
1294 shm_zone = ngx_list_push(&cf->cycle->shared_memory);
|
|
|
1295
|
|
|
1296 if (shm_zone == NULL) {
|
|
|
1297 return NULL;
|
|
|
1298 }
|
|
|
1299
|
|
|
1300 shm_zone->data = NULL;
|
|
|
1301 shm_zone->shm.log = cf->cycle->log;
|
|
|
1302 shm_zone->shm.size = size;
|
|
480
|
1303 shm_zone->shm.name = *name;
|
|
|
1304 shm_zone->shm.exists = 0;
|
|
272
|
1305 shm_zone->init = NULL;
|
|
|
1306 shm_zone->tag = tag;
|
|
|
1307
|
|
|
1308 return shm_zone;
|
|
|
1309 }
|
|
|
1310
|
|
|
1311
|
|
112
|
1312 static void
|
|
|
1313 ngx_clean_old_cycles(ngx_event_t *ev)
|
|
0
|
1314 {
|
|
|
1315 ngx_uint_t i, n, found, live;
|
|
|
1316 ngx_log_t *log;
|
|
|
1317 ngx_cycle_t **cycle;
|
|
|
1318
|
|
|
1319 log = ngx_cycle->log;
|
|
|
1320 ngx_temp_pool->log = log;
|
|
|
1321
|
|
|
1322 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycles");
|
|
|
1323
|
|
|
1324 live = 0;
|
|
|
1325
|
|
|
1326 cycle = ngx_old_cycles.elts;
|
|
|
1327 for (i = 0; i < ngx_old_cycles.nelts; i++) {
|
|
|
1328
|
|
|
1329 if (cycle[i] == NULL) {
|
|
|
1330 continue;
|
|
|
1331 }
|
|
|
1332
|
|
|
1333 found = 0;
|
|
|
1334
|
|
|
1335 for (n = 0; n < cycle[i]->connection_n; n++) {
|
|
110
|
1336 if (cycle[i]->connections[n].fd != (ngx_socket_t) -1) {
|
|
0
|
1337 found = 1;
|
|
|
1338
|
|
|
1339 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "live fd:%d", n);
|
|
|
1340
|
|
|
1341 break;
|
|
|
1342 }
|
|
|
1343 }
|
|
|
1344
|
|
|
1345 if (found) {
|
|
|
1346 live = 1;
|
|
|
1347 continue;
|
|
|
1348 }
|
|
|
1349
|
|
|
1350 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycle: %d", i);
|
|
|
1351
|
|
|
1352 ngx_destroy_pool(cycle[i]->pool);
|
|
|
1353 cycle[i] = NULL;
|
|
|
1354 }
|
|
|
1355
|
|
|
1356 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "old cycles status: %d", live);
|
|
|
1357
|
|
|
1358 if (live) {
|
|
|
1359 ngx_add_timer(ev, 30000);
|
|
|
1360
|
|
|
1361 } else {
|
|
|
1362 ngx_destroy_pool(ngx_temp_pool);
|
|
|
1363 ngx_temp_pool = NULL;
|
|
|
1364 ngx_old_cycles.nelts = 0;
|
|
|
1365 }
|
|
|
1366 }
|
