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annotate src/core/ngx_core.h @ 9294:ea0eef2dd12c default tip

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Resolver: allowed responses with AD bit set.
author Kirill A. Korinsky <kirill@korins.ky>
date Sun, 16 Jun 2024 04:17:27 +0300
parents 7603284f7af5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 414
diff changeset
1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 414
diff changeset
2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents: 441
diff changeset
3 * Copyright (C) Igor Sysoev
4412
d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
parents: 3891
diff changeset
4 * Copyright (C) Nginx, Inc.
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 414
diff changeset
5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 414
diff changeset
6
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 414
diff changeset
7
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
8 #ifndef _NGX_CORE_H_INCLUDED_
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
9 #define _NGX_CORE_H_INCLUDED_
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
10
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
11
6106
cb790d1b2d16 Core: ensure that ngx_config.h is always included first.
Sergey Kandaurov <pluknet@nginx.com>
parents: 6101
diff changeset
12 #include <ngx_config.h>
cb790d1b2d16 Core: ensure that ngx_config.h is always included first.
Sergey Kandaurov <pluknet@nginx.com>
parents: 6101
diff changeset
13
cb790d1b2d16 Core: ensure that ngx_config.h is always included first.
Sergey Kandaurov <pluknet@nginx.com>
parents: 6101
diff changeset
14
8638
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
15 typedef struct ngx_module_s ngx_module_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
16 typedef struct ngx_conf_s ngx_conf_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
17 typedef struct ngx_cycle_s ngx_cycle_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
18 typedef struct ngx_pool_s ngx_pool_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
19 typedef struct ngx_chain_s ngx_chain_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
20 typedef struct ngx_log_s ngx_log_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
21 typedef struct ngx_open_file_s ngx_open_file_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
22 typedef struct ngx_command_s ngx_command_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
23 typedef struct ngx_file_s ngx_file_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
24 typedef struct ngx_event_s ngx_event_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
25 typedef struct ngx_event_aio_s ngx_event_aio_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
26 typedef struct ngx_connection_s ngx_connection_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
27 typedef struct ngx_thread_task_s ngx_thread_task_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
28 typedef struct ngx_ssl_s ngx_ssl_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
29 typedef struct ngx_proxy_protocol_s ngx_proxy_protocol_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
30 typedef struct ngx_quic_stream_s ngx_quic_stream_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
31 typedef struct ngx_ssl_connection_s ngx_ssl_connection_t;
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8486
diff changeset
32 typedef struct ngx_udp_connection_s ngx_udp_connection_t;
6018
466bd63b63d1 Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents: 5702
diff changeset
33
395
f8f0f1834266 nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
34 typedef void (*ngx_event_handler_pt)(ngx_event_t *ev);
547
818fbd4750b9 nginx-0.2.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
35 typedef void (*ngx_connection_handler_pt)(ngx_connection_t *c);
395
f8f0f1834266 nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 393
diff changeset
36
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 183
diff changeset
37
370
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
38 #define NGX_OK 0
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
39 #define NGX_ERROR -1
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
40 #define NGX_AGAIN -2
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
41 #define NGX_BUSY -3
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
42 #define NGX_DONE -4
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
43 #define NGX_DECLINED -5
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
44 #define NGX_ABORT -6
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
45
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
46
559
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
47 #include <ngx_errno.h>
212
679f60139863 nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 208
diff changeset
48 #include <ngx_atomic.h>
559
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
49 #include <ngx_thread.h>
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 547
diff changeset
50 #include <ngx_rbtree.h>
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 183
diff changeset
51 #include <ngx_time.h>
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 183
diff changeset
52 #include <ngx_socket.h>
2234
c7c319896bb4 *) autoconfigure struct dirent capabilities
Igor Sysoev <igor@sysoev.ru>
parents: 1650
diff changeset
53 #include <ngx_string.h>
c7c319896bb4 *) autoconfigure struct dirent capabilities
Igor Sysoev <igor@sysoev.ru>
parents: 1650
diff changeset
54 #include <ngx_files.h>
605
5dac8c7fb71b nginx-0.3.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
55 #include <ngx_shmem.h>
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 183
diff changeset
56 #include <ngx_process.h>
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 276
diff changeset
57 #include <ngx_user.h>
6380
7142b04337d6 Dynamic modules: dlopen() support.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6378
diff changeset
58 #include <ngx_dlopen.h>
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents: 148
diff changeset
59 #include <ngx_parse.h>
6180
8b6fa4842133 Moved ngx_http_parse_time() to core, renamed accordingly.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6106
diff changeset
60 #include <ngx_parse_time.h>
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 71
diff changeset
61 #include <ngx_log.h>
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 71
diff changeset
62 #include <ngx_alloc.h>
346
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 343
diff changeset
63 #include <ngx_palloc.h>
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 340
diff changeset
64 #include <ngx_buf.h>
1646
9638a809d3cd ngx_queue.h
Igor Sysoev <igor@sysoev.ru>
parents: 1453
diff changeset
65 #include <ngx_queue.h>
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 71
diff changeset
66 #include <ngx_array.h>
414
388a842cbbe1 nginx-0.0.10-2004-09-03-19:50:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 395
diff changeset
67 #include <ngx_list.h>
507
cd3117ad9aab nginx-0.1.28-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
68 #include <ngx_hash.h>
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 71
diff changeset
69 #include <ngx_file.h>
201
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
70 #include <ngx_crc.h>
790
f9a971440614 ngx_crc32()
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
71 #include <ngx_crc32.h>
3891
203eb026ec07 ngx_murmur_hash2()
Igor Sysoev <igor@sysoev.ru>
parents: 3329
diff changeset
72 #include <ngx_murmurhash.h>
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 445
diff changeset
73 #if (NGX_PCRE)
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 191
diff changeset
74 #include <ngx_regex.h>
212
679f60139863 nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 208
diff changeset
75 #endif
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
76 #include <ngx_radix_tree.h>
178
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
77 #include <ngx_times.h>
6101
682d8222c6b1 Core: read/write locks.
Ruslan Ermilov <ru@nginx.com>
parents: 6018
diff changeset
78 #include <ngx_rwlock.h>
611
3f8a2132b93d nginx-0.3.27-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 605
diff changeset
79 #include <ngx_shmtx.h>
860
201d017ea470 slab allocator in shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 806
diff changeset
80 #include <ngx_slab.h>
974
8dfb3aa75de2 move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents: 884
diff changeset
81 #include <ngx_inet.h>
8dfb3aa75de2 move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents: 884
diff changeset
82 #include <ngx_cycle.h>
4875
386a06a22c40 OCSP stapling: loading OCSP responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4477
diff changeset
83 #include <ngx_resolver.h>
651
39b7d7b33c91 nginx-0.3.47-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 611
diff changeset
84 #if (NGX_OPENSSL)
39b7d7b33c91 nginx-0.3.47-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 611
diff changeset
85 #include <ngx_event_openssl.h>
8853
7603284f7af5 Removed NGX_OPENSSL_QUIC macro, NGX_QUIC is enough.
Ruslan Ermilov <ru@nginx.com>
parents: 8675
diff changeset
86 #if (NGX_QUIC)
8167
5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7590
diff changeset
87 #include <ngx_event_quic.h>
651
39b7d7b33c91 nginx-0.3.47-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 611
diff changeset
88 #endif
8372
0e6528551f26 Configure: unbreak with old OpenSSL, --with-http_v3_module added.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8224
diff changeset
89 #endif
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 276
diff changeset
90 #include <ngx_process_cycle.h>
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 71
diff changeset
91 #include <ngx_conf_file.h>
6378
0f203a2af17c Dynamic modules: moved module-related stuff to separate files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6180
diff changeset
92 #include <ngx_module.h>
1453
f2feed5bffe1 open file cache
Igor Sysoev <igor@sysoev.ru>
parents: 974
diff changeset
93 #include <ngx_open_file_cache.h>
183
4c698194c56d nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 178
diff changeset
94 #include <ngx_os.h>
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 71
diff changeset
95 #include <ngx_connection.h>
5702
777202558122 Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents: 5684
diff changeset
96 #include <ngx_syslog.h>
5605
3a72b1805c52 Added server-side support for PROXY protocol v1 (ticket #355).
Roman Arutyunyan <arut@nginx.com>
parents: 5125
diff changeset
97 #include <ngx_proxy_protocol.h>
8675
d3747ba486e7 Core: added interface to linux bpf() system call.
Vladimir Homutov <vl@nginx.com>
parents: 8638
diff changeset
98 #if (NGX_HAVE_BPF)
d3747ba486e7 Core: added interface to linux bpf() system call.
Vladimir Homutov <vl@nginx.com>
parents: 8638
diff changeset
99 #include <ngx_bpf.h>
d3747ba486e7 Core: added interface to linux bpf() system call.
Vladimir Homutov <vl@nginx.com>
parents: 8638
diff changeset
100 #endif
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 71
diff changeset
101
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 71
diff changeset
102
5684
bc98b0f11bdd Core: use '\r' for CR and '\n' for LF definitions.
Ruslan Ermilov <ru@nginx.com>
parents: 5605
diff changeset
103 #define LF (u_char) '\n'
bc98b0f11bdd Core: use '\r' for CR and '\n' for LF definitions.
Ruslan Ermilov <ru@nginx.com>
parents: 5605
diff changeset
104 #define CR (u_char) '\r'
bc98b0f11bdd Core: use '\r' for CR and '\n' for LF definitions.
Ruslan Ermilov <ru@nginx.com>
parents: 5605
diff changeset
105 #define CRLF "\r\n"
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 92
diff changeset
106
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 92
diff changeset
107
3325
42c16d8bddbe regex named captures
Igor Sysoev <igor@sysoev.ru>
parents: 3052
diff changeset
108 #define ngx_abs(value) (((value) >= 0) ? (value) : - (value))
42c16d8bddbe regex named captures
Igor Sysoev <igor@sysoev.ru>
parents: 3052
diff changeset
109 #define ngx_max(val1, val2) ((val1 < val2) ? (val2) : (val1))
3329
ed785dc26eef ngx_min()
Igor Sysoev <igor@sysoev.ru>
parents: 3325
diff changeset
110 #define ngx_min(val1, val2) ((val1 > val2) ? (val2) : (val1))
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 547
diff changeset
111
611
3f8a2132b93d nginx-0.3.27-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 605
diff changeset
112 void ngx_cpuinfo(void);
3f8a2132b93d nginx-0.3.27-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 605
diff changeset
113
4477
7033faf6dc3c Added disable_symlinks directive.
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
114 #if (NGX_HAVE_OPENAT)
7033faf6dc3c Added disable_symlinks directive.
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
115 #define NGX_DISABLE_SYMLINKS_OFF 0
7033faf6dc3c Added disable_symlinks directive.
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
116 #define NGX_DISABLE_SYMLINKS_ON 1
7033faf6dc3c Added disable_symlinks directive.
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
117 #define NGX_DISABLE_SYMLINKS_NOTOWNER 2
7033faf6dc3c Added disable_symlinks directive.
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
118 #endif
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 547
diff changeset
119
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120 #endif /* _NGX_CORE_H_INCLUDED_ */