release/src/router/nginx/src/core/ngx_cycle.h

   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 };
  35
  36
  37 struct ngx_cycle_s {
  38     void                  ****conf_ctx;
  39     ngx_pool_t               *pool;
  40
  41     ngx_log_t                *log;
  42     ngx_log_t                 new_log;
  43
  44     ngx_connection_t        **files;
  45     ngx_connection_t         *free_connections;
  46     ngx_uint_t                free_connection_n;
  47
  48     ngx_queue_t               reusable_connections_queue;
  49
  50     ngx_array_t               listening;
  51     ngx_array_t               paths;
  52     ngx_list_t                open_files;
  53     ngx_list_t                shared_memory;
  54
  55     ngx_uint_t                connection_n;
  56     ngx_uint_t                files_n;
  57
  58     ngx_connection_t         *connections;
  59     ngx_event_t              *read_events;
  60     ngx_event_t              *write_events;
  61
  62     ngx_cycle_t              *old_cycle;
  63
  64     ngx_str_t                 conf_file;
  65     ngx_str_t                 conf_param;
  66     ngx_str_t                 conf_prefix;
  67     ngx_str_t                 prefix;
  68     ngx_str_t                 lock_file;
  69     ngx_str_t                 hostname;
  70 };
  71
  72
  73 typedef struct {
  74      ngx_flag_t               daemon;
  75      ngx_flag_t               master;
  76
  77      ngx_msec_t               timer_resolution;
  78
  79      ngx_int_t                worker_processes;
  80      ngx_int_t                debug_points;
  81
  82      ngx_int_t                rlimit_nofile;
  83      ngx_int_t                rlimit_sigpending;
  84      off_t                    rlimit_core;
  85
  86      int                      priority;
  87
  88      ngx_uint_t               cpu_affinity_n;
  89      uint64_t                *cpu_affinity;
  90
  91      char                    *username;
  92      ngx_uid_t                user;
  93      ngx_gid_t                group;
  94
  95      ngx_str_t                working_directory;
  96      ngx_str_t                lock_file;
  97
  98      ngx_str_t                pid;
  99      ngx_str_t                oldpid;
 100
 101      ngx_array_t              env;
 102      char                   **environment;
 103
 104 #if (NGX_THREADS)
 105      ngx_int_t                worker_threads;
 106      size_t                   thread_stack_size;
 107 #endif
 108
 109 } ngx_core_conf_t;
 110
 111
 112 typedef struct {
 113      ngx_pool_t              *pool;   /* pcre's malloc() pool */
 114 } ngx_core_tls_t;
 115
 116
 117 #define ngx_is_init_cycle(cycle)  (cycle->conf_ctx == NULL)
 118
 119
 120 ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle);
 121 ngx_int_t ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log);
 122 void ngx_delete_pidfile(ngx_cycle_t *cycle);
 123 ngx_int_t ngx_signal_process(ngx_cycle_t *cycle, char *sig);
 124 void ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user);
 125 char **ngx_set_environment(ngx_cycle_t *cycle, ngx_uint_t *last);
 126 ngx_pid_t ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv);
 127 uint64_t ngx_get_cpu_affinity(ngx_uint_t n);
 128 ngx_shm_zone_t *ngx_shared_memory_add(ngx_conf_t *cf, ngx_str_t *name,
 129     size_t size, void *tag);
 130
 131
 132 extern volatile ngx_cycle_t  *ngx_cycle;
 133 extern ngx_array_t            ngx_old_cycles;
 134 extern ngx_module_t           ngx_core_module;
 135 extern ngx_uint_t             ngx_test_config;
 136 extern ngx_uint_t             ngx_quiet_mode;
 137 #if (NGX_THREADS)
 138 extern ngx_tls_key_t          ngx_core_tls_key;
 139 #endif
 140
 141
 142 #endif /* _NGX_CYCLE_H_INCLUDED_ */