1 2 /* 3 * Copyright (C) Igor Sysoev 4 * Copyright (C) Nginx, Inc. 5 */ 6 7 8 #ifndef _NGX_CYCLE_H_INCLUDED_ 9 #define _NGX_CYCLE_H_INCLUDED_ 10 11 12 #include <ngx_config.h> 13 #include <ngx_core.h> 14 15 16 #ifndef NGX_CYCLE_POOL_SIZE 17 #define NGX_CYCLE_POOL_SIZE NGX_DEFAULT_POOL_SIZE 18 #endif 19 20 21 #define NGX_DEBUG_POINTS_STOP 1 22 #define NGX_DEBUG_POINTS_ABORT 2 23 24 25 typedef struct ngx_shm_zone_s ngx_shm_zone_t; 26 27 typedef ngx_int_t (*ngx_shm_zone_init_pt) (ngx_shm_zone_t *zone, void *data); 28 29 struct ngx_shm_zone_s { 30 void *data; 31 ngx_shm_t shm; 32 ngx_shm_zone_init_pt init; 33 void *tag; 34 void *sync; 35 ngx_uint_t noreuse; /* unsigned noreuse:1; */ 36 }; 37 38 39 struct ngx_cycle_s { 40 void ****conf_ctx; 41 ngx_pool_t *pool; 42 43 ngx_log_t *log; 44 ngx_log_t new_log; 45 46 ngx_uint_t log_use_stderr; /* unsigned log_use_stderr:1; */ 47 48 ngx_connection_t **files; 49 ngx_connection_t *free_connections; 50 ngx_uint_t free_connection_n; 51 52 ngx_module_t **modules; 53 ngx_uint_t modules_n; 54 ngx_uint_t modules_used; /* unsigned modules_used:1; */ 55 56 ngx_queue_t reusable_connections_queue; 57 ngx_uint_t reusable_connections_n; 58 time_t connections_reuse_time; 59 60 ngx_array_t listening; 61 ngx_array_t paths; 62 63 ngx_array_t config_dump; 64 ngx_rbtree_t config_dump_rbtree; 65 ngx_rbtree_node_t config_dump_sentinel; 66 67 ngx_list_t open_files; 68 ngx_list_t shared_memory; 69 70 ngx_uint_t connection_n; 71 ngx_uint_t files_n; 72 73 ngx_connection_t *connections; 74 ngx_event_t *read_events; 75 ngx_event_t *write_events; 76 77 ngx_cycle_t *old_cycle; 78 79 ngx_str_t conf_file; 80 ngx_str_t conf_param; 81 ngx_str_t conf_prefix; 82 ngx_str_t prefix; 83 ngx_str_t error_log; 84 ngx_str_t lock_file; 85 ngx_str_t hostname; 86 }; 87 88 89 typedef struct { 90 ngx_flag_t daemon; 91 ngx_flag_t master; 92 93 ngx_msec_t timer_resolution; 94 ngx_msec_t shutdown_timeout; 95 96 ngx_int_t worker_processes; 97 ngx_int_t debug_points; 98 99 ngx_int_t rlimit_nofile; 100 off_t rlimit_core; 101 102 int priority; 103 104 ngx_uint_t cpu_affinity_auto; 105 ngx_uint_t cpu_affinity_n; 106 ngx_cpuset_t *cpu_affinity; 107 108 char *username; 109 ngx_uid_t user; 110 ngx_gid_t group; 111 112 ngx_str_t working_directory; 113 ngx_str_t lock_file; 114 115 ngx_str_t pid; 116 ngx_str_t oldpid; 117 118 ngx_array_t env; 119 char **environment; 120 121 ngx_uint_t transparent; /* unsigned transparent:1; */ 122 } ngx_core_conf_t; 123 124 125 #define ngx_is_init_cycle(cycle) (cycle->conf_ctx == NULL) 126 127 128 ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle); 129 ngx_int_t ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log); 130 void ngx_delete_pidfile(ngx_cycle_t *cycle); 131 ngx_int_t ngx_signal_process(ngx_cycle_t *cycle, char *sig); 132 void ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user); 133 char **ngx_set_environment(ngx_cycle_t *cycle, ngx_uint_t *last); 134 ngx_pid_t ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv); 135 ngx_cpuset_t *ngx_get_cpu_affinity(ngx_uint_t n); 136 ngx_shm_zone_t *ngx_shared_memory_add(ngx_conf_t *cf, ngx_str_t *name, 137 size_t size, void *tag); 138 void ngx_set_shutdown_timer(ngx_cycle_t *cycle); 139 140 141 extern volatile ngx_cycle_t *ngx_cycle; 142 extern ngx_array_t ngx_old_cycles; 143 extern ngx_module_t ngx_core_module; 144 extern ngx_uint_t ngx_test_config; 145 extern ngx_uint_t ngx_dump_config; 146 extern ngx_uint_t ngx_quiet_mode; 147 148 149 #endif /* _NGX_CYCLE_H_INCLUDED_ */ 150