1
2 /*
3 * Copyright (C) Igor Sysoev
4 */
5
6
7 #ifndef _NGX_CYCLE_H_INCLUDED_
8 #define _NGX_CYCLE_H_INCLUDED_
9
10
11 #include <ngx_config.h>
12 #include <ngx_core.h>
13
14
15 #ifndef NGX_CYCLE_POOL_SIZE
16 #define NGX_CYCLE_POOL_SIZE 16384
17 #endif
18
19
20 #define NGX_DEBUG_POINTS_STOP 1
21 #define NGX_DEBUG_POINTS_ABORT 2
22
23
24 typedef struct ngx_shm_zone_s ngx_shm_zone_t;
25
26 typedef ngx_int_t (*ngx_shm_zone_init_pt) (ngx_shm_zone_t *zone, void *data);
27
28 struct ngx_shm_zone_s {
29 void *data;
30 ngx_shm_t shm;
31 ngx_shm_zone_init_pt init;
32 void *tag;
33 };
34
35
36 struct ngx_cycle_s {
37 void ****conf_ctx;
38 ngx_pool_t *pool;
39
40 ngx_log_t *log;
41 ngx_log_t new_log;
42
43 ngx_connection_t **files;
44 ngx_connection_t *free_connections;
45 ngx_uint_t free_connection_n;
46
47 ngx_array_t listening;
48 ngx_array_t pathes;
49 ngx_list_t open_files;
50 ngx_list_t shared_memory;
51
52 ngx_uint_t connection_n;
53 ngx_uint_t files_n;
54
55 ngx_connection_t *connections;
56 ngx_event_t *read_events;
57 ngx_event_t *write_events;
58
59 ngx_cycle_t *old_cycle;
60
61 ngx_str_t conf_file;
62 ngx_str_t conf_param;
63 ngx_str_t conf_prefix;
64 ngx_str_t prefix;
65 ngx_str_t lock_file;
66 ngx_str_t hostname;
67 };
68
69
70 typedef struct {
71 ngx_flag_t daemon;
72 ngx_flag_t master;
73
74 ngx_msec_t timer_resolution;
75
76 ngx_int_t worker_processes;
77 ngx_int_t debug_points;
78
79 ngx_int_t rlimit_nofile;
80 ngx_int_t rlimit_sigpending;
81 size_t rlimit_core;
82
83 int priority;
84
85 ngx_uint_t cpu_affinity_n;
86 u_long *cpu_affinity;
87
88 char *username;
89 ngx_uid_t user;
90 ngx_gid_t group;
91
92 ngx_str_t working_directory;
93 ngx_str_t lock_file;
94
95 ngx_str_t pid;
96 ngx_str_t oldpid;
97
98 ngx_array_t env;
99 char **environment;
100
101 #if (NGX_THREADS)
102 ngx_int_t worker_threads;
103 size_t thread_stack_size;
104 #endif
105
106 } ngx_core_conf_t;
107
108
109 typedef struct {
110 ngx_pool_t *pool; /* pcre's malloc() pool */
111 } ngx_core_tls_t;
112
113
114 #define ngx_is_init_cycle(cycle) (cycle->conf_ctx == NULL)
115
116
117 ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle);
118 ngx_int_t ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log);
119 void ngx_delete_pidfile(ngx_cycle_t *cycle);
120 ngx_int_t ngx_signal_process(ngx_cycle_t *cycle, char *sig);
121 void ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user);
122 char **ngx_set_environment(ngx_cycle_t *cycle, ngx_uint_t *last);
123 ngx_pid_t ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv);
124 u_long ngx_get_cpu_affinity(ngx_uint_t n);
125 ngx_shm_zone_t *ngx_shared_memory_add(ngx_conf_t *cf, ngx_str_t *name,
126 size_t size, void *tag);
127
128
129 extern volatile ngx_cycle_t *ngx_cycle;
130 extern ngx_array_t ngx_old_cycles;
131 extern ngx_module_t ngx_core_module;
132 extern ngx_uint_t ngx_test_config;
133 #if (NGX_THREADS)
134 extern ngx_tls_key_t ngx_core_tls_key;
135 #endif
136
137
138 #endif /* _NGX_CYCLE_H_INCLUDED_ */
139
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