Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_thread.h @ 5110:0bbdd966a383
Request body: next upstream fix.
After introduction of chunked request body handling in 1.3.9 (r4931),
r->request_body->bufs buffers have b->start pointing to original buffer
start (and b->pos pointing to real data of this particular buffer).
While this is ok as per se, it caused bad things (usually original request
headers included before the request body) after reinit of the request
chain in ngx_http_upstream_reinit() while sending the request to a next
upstream server (which used to do b->pos = b->start for each buffer
in the request chain).
Patch by Piotr Sikora.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 14 Mar 2013 12:28:53 +0000 |
parents | d620f497c50f |
children | 457ec43dd8d5 |
rev | line source |
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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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15 #if (NGX_THREADS) |
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17 #define NGX_MAX_THREADS 128 |
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19 #if (NGX_USE_RFORK) |
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20 #include <ngx_freebsd_rfork_thread.h> |
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23 #else /* use pthreads */ |
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25 #include <pthread.h> |
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27 typedef pthread_t ngx_tid_t; |
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29 #define ngx_thread_self() pthread_self() |
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30 #define ngx_log_tid (int) ngx_thread_self() |
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31 |
455 | 32 #if (NGX_FREEBSD) && !(NGX_LINUXTHREADS) |
461 | 33 #define NGX_TID_T_FMT "%p" |
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34 #else |
461 | 35 #define NGX_TID_T_FMT "%d" |
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36 #endif |
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37 |
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38 |
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39 typedef pthread_key_t ngx_tls_key_t; |
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41 #define ngx_thread_key_create(key) pthread_key_create(key, NULL) |
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42 #define ngx_thread_key_create_n "pthread_key_create()" |
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43 #define ngx_thread_set_tls pthread_setspecific |
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44 #define ngx_thread_set_tls_n "pthread_setspecific()" |
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45 #define ngx_thread_get_tls pthread_getspecific |
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48 #define NGX_MUTEX_LIGHT 0 |
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50 typedef struct { |
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51 pthread_mutex_t mutex; |
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52 ngx_log_t *log; |
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53 } ngx_mutex_t; |
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54 |
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55 typedef struct { |
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56 pthread_cond_t cond; |
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57 ngx_log_t *log; |
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58 } ngx_cond_t; |
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60 #define ngx_thread_sigmask pthread_sigmask |
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61 #define ngx_thread_sigmask_n "pthread_sigmask()" |
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63 #define ngx_thread_join(t, p) pthread_join(t, p) |
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64 |
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65 #define ngx_setthrtitle(n) |
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67 |
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68 |
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69 ngx_int_t ngx_mutex_trylock(ngx_mutex_t *m); |
563 | 70 void ngx_mutex_lock(ngx_mutex_t *m); |
71 void ngx_mutex_unlock(ngx_mutex_t *m); | |
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72 |
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73 #endif |
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76 #define ngx_thread_volatile volatile |
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78 |
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79 typedef struct { |
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80 ngx_tid_t tid; |
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81 ngx_cond_t *cv; |
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82 ngx_uint_t state; |
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83 } ngx_thread_t; |
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84 |
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85 #define NGX_THREAD_FREE 1 |
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86 #define NGX_THREAD_BUSY 2 |
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87 #define NGX_THREAD_EXIT 3 |
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88 #define NGX_THREAD_DONE 4 |
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89 |
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90 extern ngx_int_t ngx_threads_n; |
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91 extern volatile ngx_thread_t ngx_threads[NGX_MAX_THREADS]; |
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92 |
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93 |
563 | 94 typedef void * ngx_thread_value_t; |
95 | |
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96 ngx_int_t ngx_init_threads(int n, size_t size, ngx_cycle_t *cycle); |
563 | 97 ngx_err_t ngx_create_thread(ngx_tid_t *tid, |
98 ngx_thread_value_t (*func)(void *arg), void *arg, ngx_log_t *log); | |
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99 |
461 | 100 ngx_mutex_t *ngx_mutex_init(ngx_log_t *log, ngx_uint_t flags); |
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101 void ngx_mutex_destroy(ngx_mutex_t *m); |
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102 |
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103 |
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104 ngx_cond_t *ngx_cond_init(ngx_log_t *log); |
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105 void ngx_cond_destroy(ngx_cond_t *cv); |
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106 ngx_int_t ngx_cond_wait(ngx_cond_t *cv, ngx_mutex_t *m); |
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107 ngx_int_t ngx_cond_signal(ngx_cond_t *cv); |
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108 |
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109 |
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110 #else /* !NGX_THREADS */ |
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112 #define ngx_thread_volatile |
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113 |
461 | 114 #define ngx_log_tid 0 |
115 #define NGX_TID_T_FMT "%d" | |
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116 |
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117 #define ngx_mutex_trylock(m) NGX_OK |
563 | 118 #define ngx_mutex_lock(m) |
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119 #define ngx_mutex_unlock(m) |
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120 |
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121 #define ngx_cond_signal(cv) |
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122 |
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123 #define ngx_thread_main() 1 |
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124 |
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125 #endif |
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126 |
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127 |
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128 #endif /* _NGX_THREAD_H_INCLUDED_ */ |