annotate src/os/unix/ngx_freebsd_rfork_thread.h @ 34:aab2ea7c0458 NGINX_0_1_17

nginx 0.1.17 *) Change: the ngx_http_rewrite_module was rewritten from the scratch. Now it is possible to redirect, to return the error codes, to check the variables and referrers. The directives can be used inside locations. The redirect directive was canceled. *) Feature: the ngx_http_geo_module. *) Feature: the proxy_set_x_var and fastcgi_set_var directives. *) Bugfix: the location configuration with "=" modifier may be used in another location. *) Bugfix: the correct content type was set only for requests that use small caps letters in extension. *) Bugfix: if the proxy_pass or fastcgi_pass directives were set in the location, and access was denied, and the error was redirected to a static page, then the segmentation fault occurred. *) Bugfix: if in a proxied "Location" header was a relative URL, then a host name and a slash were added to them; bug appeared in 0.1.14. *) Bugfix: the system error message was not logged on Linux.
author Igor Sysoev <http://sysoev.ru>
date Thu, 03 Feb 2005 00:00:00 +0300
parents 46833bd150cb
children 72eb30262aac
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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_FREEBSD_RFORK_THREAD_H_INCLUDED_
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8 #define _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_
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11 #include <sys/ipc.h>
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12 #include <sys/sem.h>
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13 #include <sched.h>
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14
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15 typedef pid_t ngx_tid_t;
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16
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17 #undef ngx_log_pid
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18 #define ngx_log_pid ngx_thread_self()
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19 #define ngx_log_tid 0
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21 #define NGX_TID_T_FMT "%P"
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24 #define NGX_MUTEX_LIGHT 1
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25
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26 #define NGX_MUTEX_LOCK_BUSY 0x80000000
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27
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28 typedef volatile struct {
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29 ngx_atomic_t lock;
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30 ngx_log_t *log;
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31 int semid;
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32 } ngx_mutex_t;
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35 #define NGX_CV_SIGNAL 64
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36
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37 typedef struct {
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38 int signo;
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39 int kq;
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40 ngx_tid_t tid;
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41 ngx_log_t *log;
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42 } ngx_cond_t;
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45 #define ngx_thread_sigmask(how, set, oset) \
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46 (sigprocmask(how, set, oset) == -1) ? ngx_errno : 0
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47
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48 #define ngx_thread_sigmask_n "sigprocmask()"
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49
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50 #define ngx_thread_join(t, p)
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52 #define ngx_setthrtitle(n) setproctitle(n)
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55 extern char *ngx_freebsd_kern_usrstack;
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56 extern size_t ngx_thread_stack_size;
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59 static inline int ngx_gettid()
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60 {
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61 char *sp;
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62
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63 if (ngx_thread_stack_size == 0) {
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64 return 0;
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65 }
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66
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67 #if ( __i386__ )
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68
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69 __asm__ volatile ("mov %%esp, %0" : "=q" (sp));
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70
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71 #elif ( __amd64__ )
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73 __asm__ volatile ("mov %%rsp, %0" : "=q" (sp));
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74
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75 #else
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77 #error "rfork()ed threads are not supported on this platform"
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79 #endif
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80
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81 return (ngx_freebsd_kern_usrstack - sp) / ngx_thread_stack_size;
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82 }
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85 ngx_tid_t ngx_thread_self();
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88 typedef ngx_uint_t ngx_tls_key_t;
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89
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90 #define NGX_THREAD_KEYS_MAX 16
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91
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92 extern void **ngx_tls;
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93
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94 ngx_err_t ngx_thread_key_create(ngx_tls_key_t *key);
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95 #define ngx_thread_key_create_n "the tls key creation"
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96
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97 ngx_err_t ngx_thread_set_tls(ngx_tls_key_t key, void *value);
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98 #define ngx_thread_set_tls_n "the tls key setting"
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101 static void *ngx_thread_get_tls(ngx_tls_key_t key)
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102 {
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103 if (key >= NGX_THREAD_KEYS_MAX) {
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104 return NULL;
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105 }
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106
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107 return ngx_tls[key * NGX_THREAD_KEYS_MAX + ngx_gettid()];
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108 }
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111 #define ngx_mutex_trylock(m) ngx_mutex_dolock(m, 1)
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112 #define ngx_mutex_lock(m) ngx_mutex_dolock(m, 0)
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113 ngx_int_t ngx_mutex_dolock(ngx_mutex_t *m, ngx_int_t try);
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114 ngx_int_t ngx_mutex_unlock(ngx_mutex_t *m);
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117 typedef int (*ngx_rfork_thread_func_pt)(void *arg);
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118
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121 #endif /* _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_ */