Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_thread.h @ 7870:e169cce912c7 quic
Avoid retransmitting of packets with discarded keys.
Sections 4.10.1 and 4.10.2 of quic transport describe discarding of initial
and handshake keys. Since the keys are discarded, we no longer need
to retransmit packets and corresponding queues should be emptied.
This patch removes previously added workaround that did not require
acknowledgement for initial packets, resulting in avoiding retransmission,
which is wrong because a packet could be lost and we have to retransmit it.
author | Vladimir Homutov <vl@nginx.com> |
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date | Mon, 18 May 2020 13:54:53 +0300 |
parents | d230c797b168 |
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rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #ifndef _NGX_THREAD_H_INCLUDED_ |
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9 #define _NGX_THREAD_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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14 |
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15 #if (NGX_THREADS) |
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16 |
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17 #include <pthread.h> |
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18 |
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19 |
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20 typedef pthread_mutex_t ngx_thread_mutex_t; |
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21 |
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22 ngx_int_t ngx_thread_mutex_create(ngx_thread_mutex_t *mtx, ngx_log_t *log); |
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23 ngx_int_t ngx_thread_mutex_destroy(ngx_thread_mutex_t *mtx, ngx_log_t *log); |
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24 ngx_int_t ngx_thread_mutex_lock(ngx_thread_mutex_t *mtx, ngx_log_t *log); |
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25 ngx_int_t ngx_thread_mutex_unlock(ngx_thread_mutex_t *mtx, ngx_log_t *log); |
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26 |
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27 |
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28 typedef pthread_cond_t ngx_thread_cond_t; |
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29 |
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30 ngx_int_t ngx_thread_cond_create(ngx_thread_cond_t *cond, ngx_log_t *log); |
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31 ngx_int_t ngx_thread_cond_destroy(ngx_thread_cond_t *cond, ngx_log_t *log); |
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32 ngx_int_t ngx_thread_cond_signal(ngx_thread_cond_t *cond, ngx_log_t *log); |
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33 ngx_int_t ngx_thread_cond_wait(ngx_thread_cond_t *cond, ngx_thread_mutex_t *mtx, |
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34 ngx_log_t *log); |
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35 |
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36 |
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37 #if (NGX_LINUX) |
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38 |
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39 typedef pid_t ngx_tid_t; |
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40 #define NGX_TID_T_FMT "%P" |
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41 |
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42 #elif (NGX_FREEBSD) |
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43 |
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44 typedef uint32_t ngx_tid_t; |
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45 #define NGX_TID_T_FMT "%uD" |
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46 |
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47 #elif (NGX_DARWIN) |
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48 |
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49 typedef uint64_t ngx_tid_t; |
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50 #define NGX_TID_T_FMT "%uL" |
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51 |
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52 #else |
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53 |
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54 typedef uint64_t ngx_tid_t; |
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55 #define NGX_TID_T_FMT "%uL" |
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56 |
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57 #endif |
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58 |
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59 ngx_tid_t ngx_thread_tid(void); |
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60 |
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61 #define ngx_log_tid ngx_thread_tid() |
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62 |
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63 #else |
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461 | 65 #define ngx_log_tid 0 |
66 #define NGX_TID_T_FMT "%d" | |
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67 |
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68 #endif |
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70 |
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71 #endif /* _NGX_THREAD_H_INCLUDED_ */ |