Mercurial > hg > nginx-quic
annotate src/event/ngx_event_posted.h @ 4245:8d39230df833 stable-1.0
Merging r4034, r4186, r4187, r4229, r4235, r4237:
SSL related fixes:
*) Better handling of various per-server ssl options with SNI.
SSL_set_SSL_CTX() doesn't touch values cached within ssl connection
structure, it only changes certificates (at least as of now, OpenSSL
1.0.0d and earlier).
As a result settings like ssl_verify_client, ssl_verify_depth,
ssl_prefer_server_ciphers are only configurable on per-socket basis while
with SNI it should be possible to specify them different for two servers
listening on the same socket.
Workaround is to explicitly re-apply settings we care about from context
to ssl connection in servername callback.
Note that SSL_clear_options() is only available in OpenSSL 0.9.8m+. I.e.
with older versions it is not possible to clear ssl_prefer_server_ciphers
option if it's set in default server for a socket.
*) Disabling SSL compression. This saves about 300K per SSL connection.
The SSL_OP_NO_COMPRESSION option is available since OpenSSL 1.0.0.
*) Releasing memory of idle SSL connection. This saves about 34K per SSL
connection. The SSL_MODE_RELEASE_BUFFERS option is available since
OpenSSL 1.0.0d.
*) Decrease of log level of some SSL handshake errors.
*) Fixed segfault on configuration testing with ssl (ticket #37).
The following config caused segmentation fault due to conf->file not
being properly set if "ssl on" was inherited from the http level:
http {
ssl on;
server {
}
}
*) Silently ignoring a stale global SSL error left after disabled renegotiation.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 01 Nov 2011 13:00:30 +0000 |
parents | 9c2f3ed7a247 |
children | d620f497c50f |
rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #ifndef _NGX_EVENT_POSTED_H_INCLUDED_ |
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8 #define _NGX_EVENT_POSTED_H_INCLUDED_ |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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13 #include <ngx_event.h> |
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15 |
563 | 16 #if (NGX_THREADS) |
17 extern ngx_mutex_t *ngx_posted_events_mutex; | |
18 #endif | |
19 | |
20 | |
21 #define ngx_locked_post_event(ev, queue) \ | |
22 \ | |
23 if (ev->prev == NULL) { \ | |
24 ev->next = (ngx_event_t *) *queue; \ | |
25 ev->prev = (ngx_event_t **) queue; \ | |
26 *queue = ev; \ | |
27 \ | |
28 if (ev->next) { \ | |
29 ev->next->prev = &ev->next; \ | |
30 } \ | |
31 \ | |
32 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, "post event %p", ev); \ | |
33 \ | |
34 } else { \ | |
35 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, \ | |
36 "update posted event %p", ev); \ | |
37 } | |
38 | |
39 | |
40 #define ngx_post_event(ev, queue) \ | |
41 \ | |
42 ngx_mutex_lock(ngx_posted_events_mutex); \ | |
43 ngx_locked_post_event(ev, queue); \ | |
44 ngx_mutex_unlock(ngx_posted_events_mutex); | |
45 | |
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47 #define ngx_delete_posted_event(ev) \ |
563 | 48 \ |
49 *(ev->prev) = ev->next; \ | |
50 \ | |
51 if (ev->next) { \ | |
52 ev->next->prev = ev->prev; \ | |
53 } \ | |
54 \ | |
55 ev->prev = NULL; \ | |
56 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, \ | |
57 "delete posted event %p", ev); | |
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563 | 61 void ngx_event_process_posted(ngx_cycle_t *cycle, |
62 ngx_thread_volatile ngx_event_t **posted); | |
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63 void ngx_wakeup_worker_thread(ngx_cycle_t *cycle); |
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64 |
563 | 65 #if (NGX_THREADS) |
66 ngx_int_t ngx_event_thread_process_posted(ngx_cycle_t *cycle); | |
67 #endif | |
68 | |
69 | |
70 extern ngx_thread_volatile ngx_event_t *ngx_posted_accept_events; | |
370
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71 extern ngx_thread_volatile ngx_event_t *ngx_posted_events; |
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74 #endif /* _NGX_EVENT_POSTED_H_INCLUDED_ */ |