Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_freebsd_rfork_thread.h @ 688:03fa118203d6
separate DragonFlyBSD autoconfiguration from FreeBSD
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 07 Sep 2006 20:17:19 +0000 |
parents | 4d9ea73a627a |
children | ebcee0063cd8 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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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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9 |
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10 |
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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 #define ngx_log_pid ngx_thread_self() |
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18 #define ngx_log_tid 0 |
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19 |
461 | 20 #define NGX_TID_T_FMT "%P" |
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21 |
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23 #define NGX_MUTEX_LIGHT 1 |
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24 |
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25 #define NGX_MUTEX_LOCK_BUSY 0x80000000 |
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26 |
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27 typedef volatile struct { |
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28 ngx_atomic_t lock; |
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29 ngx_log_t *log; |
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30 int semid; |
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31 } ngx_mutex_t; |
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32 |
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33 |
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34 #define NGX_CV_SIGNAL 64 |
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35 |
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36 typedef struct { |
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37 int signo; |
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38 int kq; |
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39 ngx_tid_t tid; |
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40 ngx_log_t *log; |
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41 } ngx_cond_t; |
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42 |
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43 |
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44 #define ngx_thread_sigmask(how, set, oset) \ |
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45 (sigprocmask(how, set, oset) == -1) ? ngx_errno : 0 |
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46 |
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47 #define ngx_thread_sigmask_n "sigprocmask()" |
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48 |
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49 #define ngx_thread_join(t, p) |
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50 |
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51 #define ngx_setthrtitle(n) setproctitle(n) |
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52 |
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53 |
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54 extern char *ngx_freebsd_kern_usrstack; |
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55 extern size_t ngx_thread_stack_size; |
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56 |
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57 |
563 | 58 static ngx_inline ngx_int_t |
59 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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72 |
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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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76 |
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77 #error "rfork()ed threads are not supported on this platform" |
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78 |
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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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83 |
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84 |
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85 ngx_tid_t ngx_thread_self(); |
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86 |
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87 |
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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 |
461 | 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 |
461 | 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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99 |
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100 |
563 | 101 static void * |
102 ngx_thread_get_tls(ngx_tls_key_t key) | |
577 | 103 { |
381
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104 if (key >= NGX_THREAD_KEYS_MAX) { |
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105 return NULL; |
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106 } |
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107 |
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108 return ngx_tls[key * NGX_THREAD_KEYS_MAX + ngx_gettid()]; |
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109 } |
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110 |
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111 |
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112 #define ngx_mutex_trylock(m) ngx_mutex_dolock(m, 1) |
563 | 113 #define ngx_mutex_lock(m) (void) ngx_mutex_dolock(m, 0) |
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114 ngx_int_t ngx_mutex_dolock(ngx_mutex_t *m, ngx_int_t try); |
563 | 115 void ngx_mutex_unlock(ngx_mutex_t *m); |
376
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116 |
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117 |
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118 typedef int (*ngx_rfork_thread_func_pt)(void *arg); |
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119 |
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120 |
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121 |
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122 #endif /* _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_ */ |