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 #include <ngx_kqueue_module.h>
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11
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12
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13 typedef struct {
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14 int changes;
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15 int events;
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16 } ngx_kqueue_conf_t;
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17
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18
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112
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19 static ngx_int_t ngx_kqueue_init(ngx_cycle_t *cycle, ngx_msec_t timer);
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0
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20 static void ngx_kqueue_done(ngx_cycle_t *cycle);
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21 static ngx_int_t ngx_kqueue_add_event(ngx_event_t *ev, int event, u_int flags);
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22 static ngx_int_t ngx_kqueue_del_event(ngx_event_t *ev, int event, u_int flags);
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23 static ngx_int_t ngx_kqueue_set_event(ngx_event_t *ev, int filter, u_int flags);
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24 static ngx_int_t ngx_kqueue_process_changes(ngx_cycle_t *cycle, ngx_uint_t try);
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112
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25 static ngx_int_t ngx_kqueue_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
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26 ngx_uint_t flags);
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0
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27 static ngx_inline void ngx_kqueue_dump_event(ngx_log_t *log,
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48
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28 struct kevent *kev);
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0
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29
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30 static void *ngx_kqueue_create_conf(ngx_cycle_t *cycle);
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31 static char *ngx_kqueue_init_conf(ngx_cycle_t *cycle, void *conf);
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32
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33
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34 int ngx_kqueue = -1;
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35
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36 /*
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37 * The "change_list" should be declared as ngx_thread_volatile.
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38 * However, the use of the change_list is localized in kqueue functions and
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39 * is protected by the mutex so even the "icc -ipo" should not build the code
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40 * with the race condition. Thus we avoid the declaration to make a more
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41 * readable code.
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42 */
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43
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44 static struct kevent *change_list, *change_list0, *change_list1;
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45 static struct kevent *event_list;
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46 static int max_changes, nchanges, nevents;
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47
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48 #if (NGX_THREADS)
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49 static ngx_mutex_t *list_mutex;
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50 static ngx_mutex_t *kevent_mutex;
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51 #endif
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52
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53
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54
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55 static ngx_str_t kqueue_name = ngx_string("kqueue");
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56
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57 static ngx_command_t ngx_kqueue_commands[] = {
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58
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48
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59 { ngx_string("kqueue_changes"),
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60 NGX_EVENT_CONF|NGX_CONF_TAKE1,
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61 ngx_conf_set_num_slot,
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62 0,
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63 offsetof(ngx_kqueue_conf_t, changes),
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64 NULL },
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0
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65
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48
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66 { ngx_string("kqueue_events"),
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67 NGX_EVENT_CONF|NGX_CONF_TAKE1,
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68 ngx_conf_set_num_slot,
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69 0,
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70 offsetof(ngx_kqueue_conf_t, events),
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71 NULL },
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0
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72
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48
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73 ngx_null_command
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0
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74 };
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75
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76
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77 ngx_event_module_t ngx_kqueue_module_ctx = {
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78 &kqueue_name,
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79 ngx_kqueue_create_conf, /* create configuration */
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80 ngx_kqueue_init_conf, /* init configuration */
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81
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82 {
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83 ngx_kqueue_add_event, /* add an event */
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84 ngx_kqueue_del_event, /* delete an event */
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85 ngx_kqueue_add_event, /* enable an event */
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86 ngx_kqueue_del_event, /* disable an event */
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87 NULL, /* add an connection */
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88 NULL, /* delete an connection */
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89 ngx_kqueue_process_changes, /* process the changes */
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90 ngx_kqueue_process_events, /* process the events */
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91 ngx_kqueue_init, /* init the events */
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92 ngx_kqueue_done /* done the events */
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93 }
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94
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95 };
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96
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97 ngx_module_t ngx_kqueue_module = {
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58
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98 NGX_MODULE_V1,
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0
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99 &ngx_kqueue_module_ctx, /* module context */
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100 ngx_kqueue_commands, /* module directives */
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101 NGX_EVENT_MODULE, /* module type */
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90
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102 NULL, /* init master */
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0
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103 NULL, /* init module */
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90
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104 NULL, /* init process */
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105 NULL, /* init thread */
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106 NULL, /* exit thread */
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107 NULL, /* exit process */
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108 NULL, /* exit master */
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109 NGX_MODULE_V1_PADDING
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0
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110 };
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111
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112
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113
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48
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114 static ngx_int_t
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112
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115 ngx_kqueue_init(ngx_cycle_t *cycle, ngx_msec_t timer)
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0
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116 {
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112
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117 struct kevent kev;
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0
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118 struct timespec ts;
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119 ngx_kqueue_conf_t *kcf;
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120
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121 kcf = ngx_event_get_conf(cycle->conf_ctx, ngx_kqueue_module);
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122
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123 if (ngx_kqueue == -1) {
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124 ngx_kqueue = kqueue();
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125
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126 if (ngx_kqueue == -1) {
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127 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
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128 "kqueue() failed");
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129 return NGX_ERROR;
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130 }
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131
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132 #if (NGX_THREADS)
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133
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50
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134 list_mutex = ngx_mutex_init(cycle->log, 0);
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135 if (list_mutex == NULL) {
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0
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136 return NGX_ERROR;
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137 }
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138
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50
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139 kevent_mutex = ngx_mutex_init(cycle->log, 0);
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140 if (kevent_mutex == NULL) {
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141 return NGX_ERROR;
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142 }
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143
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144 #endif
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145 }
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146
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147 if (max_changes < kcf->changes) {
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148 if (nchanges) {
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149 ts.tv_sec = 0;
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150 ts.tv_nsec = 0;
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151
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152 if (kevent(ngx_kqueue, change_list, nchanges, NULL, 0, &ts) == -1) {
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153 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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154 "kevent() failed");
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155 return NGX_ERROR;
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156 }
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157 nchanges = 0;
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158 }
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159
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160 if (change_list0) {
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161 ngx_free(change_list0);
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162 }
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163
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164 change_list0 = ngx_alloc(kcf->changes * sizeof(struct kevent),
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165 cycle->log);
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166 if (change_list0 == NULL) {
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167 return NGX_ERROR;
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168 }
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169
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170 if (change_list1) {
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171 ngx_free(change_list1);
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172 }
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173
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174 change_list1 = ngx_alloc(kcf->changes * sizeof(struct kevent),
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175 cycle->log);
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176 if (change_list1 == NULL) {
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177 return NGX_ERROR;
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178 }
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179
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180 change_list = change_list0;
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181 }
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182
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183 max_changes = kcf->changes;
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184
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185 if (nevents < kcf->events) {
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186 if (event_list) {
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187 ngx_free(event_list);
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188 }
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189
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190 event_list = ngx_alloc(kcf->events * sizeof(struct kevent), cycle->log);
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191 if (event_list == NULL) {
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192 return NGX_ERROR;
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193 }
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194 }
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195
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112
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196 ngx_event_flags = 0;
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197
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198 #if (NGX_HAVE_TIMER_EVENT)
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199
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200 if (timer) {
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201 kev.ident = 0;
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202 kev.filter = EVFILT_TIMER;
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203 kev.flags = EV_ADD|EV_ENABLE;
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204 kev.fflags = 0;
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205 kev.data = timer;
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206 kev.udata = 0;
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207
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208 ts.tv_sec = 0;
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209 ts.tv_nsec = 0;
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210
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211 if (kevent(ngx_kqueue, &kev, 1, NULL, 0, &ts) == -1) {
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212 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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213 "kevent(EVFILT_TIMER) failed");
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214 return NGX_ERROR;
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215 }
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216
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217 ngx_event_flags |= NGX_USE_TIMER_EVENT;
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218 }
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219
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220 #endif
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221
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222 ngx_event_flags |= NGX_USE_ONESHOT_EVENT|NGX_USE_KQUEUE_EVENT;
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223
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224 #if (NGX_HAVE_CLEAR_EVENT)
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225 ngx_event_flags |= NGX_USE_CLEAR_EVENT;
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226 #else
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227 ngx_event_flags |= NGX_USE_LEVEL_EVENT;
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228 #endif
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229
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230 #if (NGX_HAVE_LOWAT_EVENT)
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231 ngx_event_flags |= NGX_USE_LOWAT_EVENT;
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232 #endif
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233
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0
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234 nevents = kcf->events;
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235
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236 ngx_io = ngx_os_io;
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237
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238 ngx_event_actions = ngx_kqueue_module_ctx.actions;
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239
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240 return NGX_OK;
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241 }
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242
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243
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48
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244 static void
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245 ngx_kqueue_done(ngx_cycle_t *cycle)
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0
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246 {
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247 if (close(ngx_kqueue) == -1) {
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248 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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249 "kqueue close() failed");
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250 }
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251
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252 ngx_kqueue = -1;
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253
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254 #if (NGX_THREADS)
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255 ngx_mutex_destroy(kevent_mutex);
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256 ngx_mutex_destroy(list_mutex);
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257 #endif
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258
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259 ngx_free(change_list1);
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260 ngx_free(change_list0);
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261 ngx_free(event_list);
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262
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263 change_list1 = NULL;
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264 change_list0 = NULL;
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265 change_list = NULL;
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266 event_list = NULL;
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267 max_changes = 0;
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268 nchanges = 0;
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269 nevents = 0;
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270 }
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271
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272
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48
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273 static ngx_int_t
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274 ngx_kqueue_add_event(ngx_event_t *ev, int event, u_int flags)
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0
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275 {
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276 ngx_int_t rc;
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277 ngx_event_t *e;
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278 ngx_connection_t *c;
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279
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280 ev->active = 1;
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281 ev->disabled = 0;
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282 ev->oneshot = (flags & NGX_ONESHOT_EVENT) ? 1 : 0;
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283
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112
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284 ngx_mutex_lock(list_mutex);
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0
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285
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4
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286 #if 1
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287
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0
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288 if (nchanges > 0
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289 && ev->index < (u_int) nchanges
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290 && ((uintptr_t) change_list[ev->index].udata & (uintptr_t) ~1)
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291 == (uintptr_t) ev)
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292 {
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293 if (change_list[ev->index].flags == EV_DISABLE) {
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294
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295 /*
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296 * if the EV_DISABLE is still not passed to a kernel
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297 * we will not pass it
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298 */
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299
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300 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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301 "kevent activated: %d: ft:%d",
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302 ngx_event_ident(ev->data), event);
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303
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304 if (ev->index < (u_int) --nchanges) {
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4
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305 e = (ngx_event_t *)
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306 ((uintptr_t) change_list[nchanges].udata & (uintptr_t) ~1);
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0
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307 change_list[ev->index] = change_list[nchanges];
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308 e->index = ev->index;
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309 }
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310
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311 ngx_mutex_unlock(list_mutex);
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312
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313 return NGX_OK;
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314 }
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315
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316 c = ev->data;
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317
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318 ngx_log_error(NGX_LOG_ALERT, ev->log, 0,
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319 "previous event on #%d were not passed in kernel", c->fd);
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320
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321 ngx_mutex_unlock(list_mutex);
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322
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323 return NGX_ERROR;
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324 }
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325
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4
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326 #endif
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327
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0
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328 rc = ngx_kqueue_set_event(ev, event, EV_ADD|EV_ENABLE|flags);
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329
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330 ngx_mutex_unlock(list_mutex);
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331
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332 return rc;
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333 }
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334
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335
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48
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336 static ngx_int_t
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337 ngx_kqueue_del_event(ngx_event_t *ev, int event, u_int flags)
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0
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338 {
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339 ngx_int_t rc;
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340 ngx_event_t *e;
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341
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342 ev->active = 0;
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343 ev->disabled = 0;
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344
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112
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345 ngx_mutex_lock(list_mutex);
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0
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346
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4
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347 #if 1
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348
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0
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349 if (nchanges > 0
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350 && ev->index < (u_int) nchanges
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351 && ((uintptr_t) change_list[ev->index].udata & (uintptr_t) ~1)
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352 == (uintptr_t) ev)
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353 {
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354 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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355 "kevent deleted: %d: ft:%d",
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356 ngx_event_ident(ev->data), event);
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357
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358 /* if the event is still not passed to a kernel we will not pass it */
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359
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360 if (ev->index < (u_int) --nchanges) {
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4
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361 e = (ngx_event_t *)
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362 ((uintptr_t) change_list[nchanges].udata & (uintptr_t) ~1);
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0
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363 change_list[ev->index] = change_list[nchanges];
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364 e->index = ev->index;
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365 }
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366
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367 ngx_mutex_unlock(list_mutex);
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368
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369 return NGX_OK;
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370 }
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371
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4
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372 #endif
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373
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0
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374 /*
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375 * when the file descriptor is closed the kqueue automatically deletes
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376 * its filters so we do not need to delete explicity the event
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377 * before the closing the file descriptor.
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378 */
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379
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380 if (flags & NGX_CLOSE_EVENT) {
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381 ngx_mutex_unlock(list_mutex);
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382 return NGX_OK;
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383 }
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384
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385 if (flags & NGX_DISABLE_EVENT) {
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386 ev->disabled = 1;
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387 }
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388
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389 rc = ngx_kqueue_set_event(ev, event,
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390 flags & NGX_DISABLE_EVENT ? EV_DISABLE : EV_DELETE);
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391
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392 ngx_mutex_unlock(list_mutex);
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393
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394 return rc;
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395 }
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396
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397
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48
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398 static ngx_int_t
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399 ngx_kqueue_set_event(ngx_event_t *ev, int filter, u_int flags)
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0
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400 {
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401 struct kevent *kev;
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402 struct timespec ts;
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403 ngx_connection_t *c;
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404
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405 c = ev->data;
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406
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407 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
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10
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408 "kevent set event: %d: ft:%d fl:%04Xd",
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0
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409 c->fd, filter, flags);
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410
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411 if (nchanges >= max_changes) {
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412 ngx_log_error(NGX_LOG_WARN, ev->log, 0,
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413 "kqueue change list is filled up");
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414
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415 ts.tv_sec = 0;
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416 ts.tv_nsec = 0;
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417
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418 if (kevent(ngx_kqueue, change_list, nchanges, NULL, 0, &ts) == -1) {
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419 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, "kevent() failed");
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420 return NGX_ERROR;
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421 }
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422
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423 nchanges = 0;
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424 }
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425
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426 kev = &change_list[nchanges];
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427
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428 kev->ident = c->fd;
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429 kev->filter = filter;
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430 kev->flags = flags;
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38
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431 kev->udata = NGX_KQUEUE_UDATA_T ((uintptr_t) ev | ev->instance);
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0
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432
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433 if (filter == EVFILT_VNODE) {
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434 kev->fflags = NOTE_DELETE|NOTE_WRITE|NOTE_EXTEND
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435 |NOTE_ATTRIB|NOTE_RENAME
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436 #if (__FreeBSD__ == 4 && __FreeBSD_version >= 430000) \
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437 || __FreeBSD_version >= 500018
|
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438 |NOTE_REVOKE
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439 #endif
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440 ;
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441 kev->data = 0;
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442
|
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443 } else {
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4
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444 #if (NGX_HAVE_LOWAT_EVENT)
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0
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445 if (flags & NGX_LOWAT_EVENT) {
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446 kev->fflags = NOTE_LOWAT;
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447 kev->data = ev->available;
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448
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449 } else {
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450 kev->fflags = 0;
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451 kev->data = 0;
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452 }
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453 #else
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454 kev->fflags = 0;
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455 kev->data = 0;
|
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456 #endif
|
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457 }
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458
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459 ev->index = nchanges;
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460 nchanges++;
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461
|
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462 return NGX_OK;
|
|
463 }
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464
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465
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48
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466 static ngx_int_t
|
112
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467 ngx_kqueue_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
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468 ngx_uint_t flags)
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0
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469 {
|
112
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470 int events, n;
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471 ngx_int_t i, instance;
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472 ngx_uint_t level;
|
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473 ngx_err_t err;
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474 ngx_msec_t delta;
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475 ngx_event_t *ev, **queue;
|
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476 struct timespec ts, *tp;
|
0
|
477
|
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478 if (ngx_threaded) {
|
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479 if (ngx_kqueue_process_changes(cycle, 0) == NGX_ERROR) {
|
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480 return NGX_ERROR;
|
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481 }
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482
|
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483 n = 0;
|
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484
|
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485 } else {
|
|
486 n = nchanges;
|
|
487 nchanges = 0;
|
|
488 }
|
|
489
|
|
490 if (timer == NGX_TIMER_INFINITE) {
|
|
491 tp = NULL;
|
|
492
|
|
493 } else {
|
|
494 ts.tv_sec = timer / 1000;
|
|
495 ts.tv_nsec = (timer % 1000) * 1000000;
|
|
496 tp = &ts;
|
|
497 }
|
|
498
|
|
499 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
110
|
500 "kevent timer: %M, changes: %d", timer, n);
|
0
|
501
|
|
502 events = kevent(ngx_kqueue, change_list, n, event_list, nevents, tp);
|
|
503
|
|
504 if (events == -1) {
|
|
505 err = ngx_errno;
|
|
506 } else {
|
|
507 err = 0;
|
|
508 }
|
|
509
|
112
|
510 delta = ngx_current_msec;
|
|
511
|
|
512 if (flags & NGX_UPDATE_TIME) {
|
|
513 ngx_time_update(0, 0);
|
|
514 }
|
0
|
515
|
|
516 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
517 "kevent events: %d", events);
|
|
518
|
112
|
519 if (err) {
|
|
520 if (err == NGX_EINTR) {
|
|
521
|
|
522 if (ngx_event_timer_alarm) {
|
|
523 ngx_event_timer_alarm = 0;
|
|
524 return NGX_OK;
|
|
525 }
|
0
|
526
|
112
|
527 level = NGX_LOG_INFO;
|
|
528
|
|
529 } else {
|
|
530 level = NGX_LOG_ALERT;
|
|
531 }
|
|
532
|
|
533 ngx_log_error(level, cycle->log, err, "kevent() failed");
|
0
|
534 return NGX_ERROR;
|
|
535 }
|
|
536
|
|
537 if (timer != NGX_TIMER_INFINITE) {
|
112
|
538 delta = ngx_current_msec - delta;
|
0
|
539
|
|
540 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
106
|
541 "kevent timer: %M, delta: %M", timer, delta);
|
0
|
542
|
|
543 } else {
|
|
544 if (events == 0) {
|
|
545 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
546 "kevent() returned no events without timeout");
|
|
547 return NGX_ERROR;
|
|
548 }
|
|
549 }
|
|
550
|
112
|
551 if (events == 0) {
|
|
552 return NGX_OK;
|
|
553 }
|
0
|
554
|
112
|
555 ngx_mutex_lock(ngx_posted_events_mutex);
|
0
|
556
|
|
557 for (i = 0; i < events; i++) {
|
|
558
|
|
559 ngx_kqueue_dump_event(cycle->log, &event_list[i]);
|
|
560
|
|
561 if (event_list[i].flags & EV_ERROR) {
|
|
562 ngx_log_error(NGX_LOG_ALERT, cycle->log, event_list[i].data,
|
|
563 "kevent() error on %d", event_list[i].ident);
|
|
564 continue;
|
|
565 }
|
|
566
|
112
|
567 #if (NGX_HAVE_TIMER_EVENT)
|
|
568
|
|
569 if (event_list[i].filter == EVFILT_TIMER) {
|
|
570 ngx_time_update(0, 0);
|
|
571 continue;
|
|
572 }
|
|
573
|
|
574 #endif
|
|
575
|
0
|
576 ev = (ngx_event_t *) event_list[i].udata;
|
|
577
|
|
578 switch (event_list[i].filter) {
|
|
579
|
|
580 case EVFILT_READ:
|
|
581 case EVFILT_WRITE:
|
|
582
|
|
583 instance = (uintptr_t) ev & 1;
|
|
584 ev = (ngx_event_t *) ((uintptr_t) ev & (uintptr_t) ~1);
|
|
585
|
|
586 if (ev->closed || ev->instance != instance) {
|
|
587
|
|
588 /*
|
|
589 * the stale event from a file descriptor
|
|
590 * that was just closed in this iteration
|
|
591 */
|
|
592
|
|
593 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
10
|
594 "kevent: stale event %p", ev);
|
0
|
595 continue;
|
|
596 }
|
|
597
|
|
598 if (ev->log && (ev->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
599 ngx_kqueue_dump_event(ev->log, &event_list[i]);
|
|
600 }
|
|
601
|
58
|
602 if (ev->oneshot) {
|
|
603 ev->active = 0;
|
|
604 }
|
|
605
|
0
|
606 #if (NGX_THREADS)
|
|
607
|
112
|
608 if ((flags & NGX_POST_THREAD_EVENTS) && !ev->accept) {
|
0
|
609 ev->posted_ready = 1;
|
|
610 ev->posted_available = event_list[i].data;
|
|
611
|
|
612 if (event_list[i].flags & EV_EOF) {
|
|
613 ev->posted_eof = 1;
|
|
614 ev->posted_errno = event_list[i].fflags;
|
|
615 }
|
|
616
|
112
|
617 ngx_locked_post_event(ev, &ngx_posted_events);
|
0
|
618
|
|
619 continue;
|
|
620 }
|
|
621
|
|
622 #endif
|
|
623
|
|
624 ev->available = event_list[i].data;
|
|
625
|
|
626 if (event_list[i].flags & EV_EOF) {
|
|
627 ev->pending_eof = 1;
|
|
628 ev->kq_errno = event_list[i].fflags;
|
|
629 }
|
|
630
|
|
631 ev->ready = 1;
|
|
632
|
|
633 break;
|
|
634
|
|
635 case EVFILT_VNODE:
|
|
636 ev->kq_vnode = 1;
|
|
637
|
|
638 break;
|
|
639
|
|
640 case EVFILT_AIO:
|
|
641 ev->complete = 1;
|
|
642 ev->ready = 1;
|
|
643
|
|
644 break;
|
|
645
|
|
646 default:
|
|
647 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
648 "unexpected kevent() filter %d",
|
|
649 event_list[i].filter);
|
|
650 continue;
|
|
651 }
|
|
652
|
112
|
653 if (flags & NGX_POST_EVENTS) {
|
|
654 queue = (ngx_event_t **) (ev->accept ? &ngx_posted_accept_events:
|
|
655 &ngx_posted_events);
|
|
656 ngx_locked_post_event(ev, queue);
|
0
|
657
|
|
658 continue;
|
|
659 }
|
|
660
|
58
|
661 ev->handler(ev);
|
0
|
662 }
|
|
663
|
112
|
664 ngx_mutex_unlock(ngx_posted_events_mutex);
|
0
|
665
|
|
666 return NGX_OK;
|
|
667 }
|
|
668
|
|
669
|
48
|
670 static ngx_int_t
|
|
671 ngx_kqueue_process_changes(ngx_cycle_t *cycle, ngx_uint_t try)
|
0
|
672 {
|
|
673 int n;
|
|
674 ngx_int_t rc;
|
|
675 ngx_err_t err;
|
|
676 struct timespec ts;
|
|
677 struct kevent *changes;
|
|
678
|
112
|
679 ngx_mutex_lock(kevent_mutex);
|
0
|
680
|
112
|
681 ngx_mutex_lock(list_mutex);
|
0
|
682
|
|
683 if (nchanges == 0) {
|
|
684 ngx_mutex_unlock(list_mutex);
|
|
685 ngx_mutex_unlock(kevent_mutex);
|
|
686 return NGX_OK;
|
|
687 }
|
|
688
|
|
689 changes = change_list;
|
|
690 if (change_list == change_list0) {
|
|
691 change_list = change_list1;
|
|
692 } else {
|
|
693 change_list = change_list0;
|
|
694 }
|
|
695
|
|
696 n = nchanges;
|
|
697 nchanges = 0;
|
|
698
|
|
699 ngx_mutex_unlock(list_mutex);
|
|
700
|
|
701 ts.tv_sec = 0;
|
|
702 ts.tv_nsec = 0;
|
|
703
|
|
704 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
705 "kevent changes: %d", n);
|
|
706
|
|
707 if (kevent(ngx_kqueue, changes, n, NULL, 0, &ts) == -1) {
|
|
708 err = ngx_errno;
|
|
709 ngx_log_error((err == NGX_EINTR) ? NGX_LOG_INFO : NGX_LOG_ALERT,
|
|
710 cycle->log, err, "kevent() failed");
|
|
711 rc = NGX_ERROR;
|
|
712
|
|
713 } else {
|
|
714 rc = NGX_OK;
|
|
715 }
|
|
716
|
|
717 ngx_mutex_unlock(kevent_mutex);
|
|
718
|
|
719 return rc;
|
|
720 }
|
|
721
|
|
722
|
48
|
723 static ngx_inline void
|
|
724 ngx_kqueue_dump_event(ngx_log_t *log, struct kevent *kev)
|
0
|
725 {
|
|
726 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, log, 0,
|
|
727 (kev->ident > 0x8000000 && kev->ident != (unsigned) -1) ?
|
10
|
728 "kevent: %p: ft:%d fl:%04Xd ff:%08Xd d:%d ud:%p":
|
|
729 "kevent: %d: ft:%d fl:%04Xd ff:%08Xd d:%d ud:%p",
|
0
|
730 kev->ident, kev->filter,
|
|
731 kev->flags, kev->fflags,
|
|
732 kev->data, kev->udata);
|
|
733 }
|
|
734
|
|
735
|
48
|
736 static void *
|
|
737 ngx_kqueue_create_conf(ngx_cycle_t *cycle)
|
0
|
738 {
|
|
739 ngx_kqueue_conf_t *kcf;
|
|
740
|
50
|
741 kcf = ngx_palloc(cycle->pool, sizeof(ngx_kqueue_conf_t));
|
|
742 if (kcf == NULL) {
|
|
743 return NGX_CONF_ERROR;
|
|
744 }
|
0
|
745
|
|
746 kcf->changes = NGX_CONF_UNSET;
|
|
747 kcf->events = NGX_CONF_UNSET;
|
|
748
|
|
749 return kcf;
|
|
750 }
|
|
751
|
|
752
|
48
|
753 static char *
|
|
754 ngx_kqueue_init_conf(ngx_cycle_t *cycle, void *conf)
|
0
|
755 {
|
|
756 ngx_kqueue_conf_t *kcf = conf;
|
|
757
|
|
758 ngx_conf_init_value(kcf->changes, 512);
|
|
759 ngx_conf_init_value(kcf->events, 512);
|
|
760
|
|
761 return NGX_CONF_OK;
|
|
762 }
|