Mercurial > hg > nginx
annotate src/core/ngx_cycle.h @ 6103:79ddb0bdb273
Upstream: the "zone" directive.
Upstreams with the "zone" directive are kept in shared memory,
with a consistent view of all worker processes.
| author | Ruslan Ermilov <ru@nginx.com> |
|---|---|
| date | Tue, 14 Apr 2015 19:01:25 +0300 |
| parents | 457ec43dd8d5 |
| children | 16c51e80128c |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #ifndef _NGX_CYCLE_H_INCLUDED_ |
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9 #define _NGX_CYCLE_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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15 |
| 507 | 16 #ifndef NGX_CYCLE_POOL_SIZE |
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17 #define NGX_CYCLE_POOL_SIZE NGX_DEFAULT_POOL_SIZE |
| 507 | 18 #endif |
| 19 | |
| 20 | |
| 461 | 21 #define NGX_DEBUG_POINTS_STOP 1 |
| 22 #define NGX_DEBUG_POINTS_ABORT 2 | |
| 23 | |
| 24 | |
| 972 | 25 typedef struct ngx_shm_zone_s ngx_shm_zone_t; |
| 26 | |
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27 typedef ngx_int_t (*ngx_shm_zone_init_pt) (ngx_shm_zone_t *zone, void *data); |
| 972 | 28 |
| 29 struct ngx_shm_zone_s { | |
| 30 void *data; | |
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31 ngx_shm_t shm; |
| 972 | 32 ngx_shm_zone_init_pt init; |
| 33 void *tag; | |
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34 ngx_uint_t noreuse; /* unsigned noreuse:1; */ |
| 972 | 35 }; |
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36 |
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38 struct ngx_cycle_s { |
| 473 | 39 void ****conf_ctx; |
| 40 ngx_pool_t *pool; | |
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41 |
| 473 | 42 ngx_log_t *log; |
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43 ngx_log_t new_log; |
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45 ngx_uint_t log_use_stderr; /* unsigned log_use_stderr:1; */ |
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46 |
| 543 | 47 ngx_connection_t **files; |
| 48 ngx_connection_t *free_connections; | |
| 49 ngx_uint_t free_connection_n; | |
| 50 | |
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51 ngx_queue_t reusable_connections_queue; |
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52 |
| 473 | 53 ngx_array_t listening; |
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54 ngx_array_t paths; |
| 473 | 55 ngx_list_t open_files; |
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56 ngx_list_t shared_memory; |
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57 |
| 473 | 58 ngx_uint_t connection_n; |
| 543 | 59 ngx_uint_t files_n; |
| 60 | |
| 561 | 61 ngx_connection_t *connections; |
| 62 ngx_event_t *read_events; | |
| 63 ngx_event_t *write_events; | |
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64 |
| 473 | 65 ngx_cycle_t *old_cycle; |
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66 |
| 473 | 67 ngx_str_t conf_file; |
| 2073 | 68 ngx_str_t conf_param; |
| 2758 | 69 ngx_str_t conf_prefix; |
| 70 ngx_str_t prefix; | |
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71 ngx_str_t lock_file; |
| 2011 | 72 ngx_str_t hostname; |
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73 }; |
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74 |
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75 |
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76 typedef struct { |
| 473 | 77 ngx_flag_t daemon; |
| 78 ngx_flag_t master; | |
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79 |
| 563 | 80 ngx_msec_t timer_resolution; |
| 81 | |
| 473 | 82 ngx_int_t worker_processes; |
| 83 ngx_int_t debug_points; | |
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84 |
| 543 | 85 ngx_int_t rlimit_nofile; |
| 86 ngx_int_t rlimit_sigpending; | |
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87 off_t rlimit_core; |
| 543 | 88 |
| 473 | 89 int priority; |
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| 577 | 91 ngx_uint_t cpu_affinity_n; |
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92 uint64_t *cpu_affinity; |
| 577 | 93 |
| 473 | 94 char *username; |
| 95 ngx_uid_t user; | |
| 96 ngx_gid_t group; | |
| 97 | |
| 521 | 98 ngx_str_t working_directory; |
| 611 | 99 ngx_str_t lock_file; |
| 521 | 100 |
| 473 | 101 ngx_str_t pid; |
| 543 | 102 ngx_str_t oldpid; |
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103 |
| 1069 | 104 ngx_array_t env; |
| 105 char **environment; | |
| 106 | |
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107 #if (NGX_OLD_THREADS) |
| 473 | 108 ngx_int_t worker_threads; |
| 109 size_t thread_stack_size; | |
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110 #endif |
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111 |
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112 } ngx_core_conf_t; |
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113 |
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114 |
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115 #if (NGX_OLD_THREADS) |
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116 |
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117 typedef struct { |
| 473 | 118 ngx_pool_t *pool; /* pcre's malloc() pool */ |
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119 } ngx_core_tls_t; |
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120 |
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121 #endif |
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123 |
| 611 | 124 #define ngx_is_init_cycle(cycle) (cycle->conf_ctx == NULL) |
| 605 | 125 |
| 126 | |
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127 ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle); |
| 611 | 128 ngx_int_t ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log); |
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129 void ngx_delete_pidfile(ngx_cycle_t *cycle); |
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130 ngx_int_t ngx_signal_process(ngx_cycle_t *cycle, char *sig); |
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131 void ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user); |
| 1069 | 132 char **ngx_set_environment(ngx_cycle_t *cycle, ngx_uint_t *last); |
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133 ngx_pid_t ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv); |
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134 uint64_t ngx_get_cpu_affinity(ngx_uint_t n); |
| 972 | 135 ngx_shm_zone_t *ngx_shared_memory_add(ngx_conf_t *cf, ngx_str_t *name, |
| 136 size_t size, void *tag); | |
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138 |
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139 extern volatile ngx_cycle_t *ngx_cycle; |
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140 extern ngx_array_t ngx_old_cycles; |
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141 extern ngx_module_t ngx_core_module; |
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142 extern ngx_uint_t ngx_test_config; |
| 3750 | 143 extern ngx_uint_t ngx_quiet_mode; |
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144 #if (NGX_OLD_THREADS) |
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145 extern ngx_tls_key_t ngx_core_tls_key; |
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146 #endif |
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147 |
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148 |
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149 #endif /* _NGX_CYCLE_H_INCLUDED_ */ |