Mercurial > hg > nginx-quic

annotate src/core/ngx_spinlock.c @ 9079:9ae24a9ba763 quic

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QUIC: fixed encryption level in ngx_quic_frame_sendto(). Previously, ssl_encryption_application was hardcoded. Before 9553eea74f2a, ngx_quic_frame_sendto() was used only for PATH_CHALLENGE/PATH_RESPONSE sent at the application level only. Since 9553eea74f2a, ngx_quic_frame_sendto() is also used for CONNECTION_CLOSE, which can be sent at initial level after SSL handshake error or rejection. This resulted in packet encryption error. Now level is copied from frame, which fixes the error.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 04 May 2023 19:29:34 +0400
parents f737e406aa68
children
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
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d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
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4 * Copyright (C) Nginx, Inc.
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5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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018569a8f09c nginx-0.0.7-2004-06-30-19:30:41 import
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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12 void
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13 ngx_spinlock(ngx_atomic_t *lock, ngx_atomic_int_t value, ngx_uint_t spin)
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14 {
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16 #if (NGX_HAVE_ATOMIC_OPS)
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18 ngx_uint_t i, n;
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20 for ( ;; ) {
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22 if (*lock == 0 && ngx_atomic_cmp_set(lock, 0, value)) {
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23 return;
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24 }
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26 if (ngx_ncpu > 1) {
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28 for (n = 1; n < spin; n <<= 1) {
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30 for (i = 0; i < n; i++) {
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31 ngx_cpu_pause();
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32 }
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34 if (*lock == 0 && ngx_atomic_cmp_set(lock, 0, value)) {
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35 return;
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36 }
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37 }
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38 }
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40 ngx_sched_yield();
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41 }
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43 #else
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44
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f737e406aa68 Core: guard against spinlock usage without atomic ops.
Ruslan Ermilov <ru@nginx.com>
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45 #if (NGX_THREADS)
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47 #error ngx_spinlock() or ngx_atomic_cmp_set() are not defined !
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49 #endif
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51 #endif
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52
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53 }