Mercurial > hg > nginx
annotate src/os/unix/ngx_freebsd_rfork_thread.h @ 380:5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 07 Jul 2004 06:15:04 +0000 |
parents | 73688d5d7fc3 |
children | 02a511569afb |
rev | line source |
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nginx-0.0.7-2004-07-05-10:55:54 import
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1 #ifndef _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_ |
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2 #define _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_ |
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3 |
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4 |
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5 #include <sys/ipc.h> |
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6 #include <sys/sem.h> |
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7 #include <sched.h> |
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8 |
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9 typedef pid_t ngx_tid_t; |
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10 |
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11 #undef ngx_log_pid |
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12 #define ngx_log_pid ngx_thread_self() |
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13 #define ngx_log_tid 0 |
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14 |
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15 #define TID_T_FMT PID_T_FMT |
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18 extern void **ngx_tls; |
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20 #define ngx_thread_create_tls() 0 |
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21 #define ngx_thread_create_tls_n "" |
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22 #define ngx_thread_get_tls() ngx_tls[ngx_gettid()] |
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23 ngx_int_t ngx_thread_set_tls(void *value); |
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24 |
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26 #define NGX_MUTEX_LIGHT 1 |
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28 #define NGX_MUTEX_LOCK_BUSY 0x80000000 |
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29 |
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30 typedef volatile struct { |
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31 ngx_atomic_t lock; |
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32 ngx_log_t *log; |
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33 int semid; |
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34 } ngx_mutex_t; |
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35 |
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36 |
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37 #define NGX_CV_SIGNAL 64 |
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38 |
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39 typedef struct { |
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40 int signo; |
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41 int kq; |
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42 ngx_tid_t tid; |
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43 ngx_log_t *log; |
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44 } ngx_cond_t; |
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45 |
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47 #define ngx_thread_sigmask(how, set, oset) \ |
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48 (sigprocmask(how, set, oset) == -1) ? ngx_errno : 0 |
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49 |
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50 #define ngx_thread_sigmask_n "sigprocmask()" |
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51 |
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52 #define ngx_thread_join(t, p) |
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53 |
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54 #define ngx_setthrtitle(n) setproctitle(n) |
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55 |
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57 extern char *ngx_freebsd_kern_usrstack; |
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58 extern size_t ngx_thread_stack_size; |
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59 |
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60 |
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61 static inline int ngx_gettid() |
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62 { |
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63 char *sp; |
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64 |
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65 if (ngx_thread_stack_size == 0) { |
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66 return 0; |
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67 } |
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68 |
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69 #if ( __i386__ ) |
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70 |
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71 __asm__ volatile ("mov %%esp, %0" : "=q" (sp)); |
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72 |
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73 #elif ( __amd64__ ) |
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74 |
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75 __asm__ volatile ("mov %%rsp, %0" : "=q" (sp)); |
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76 |
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77 #else |
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78 |
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79 #error "rfork()ed threads are not supported on this platform" |
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80 |
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81 #endif |
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82 |
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83 return (ngx_freebsd_kern_usrstack - sp) / ngx_thread_stack_size; |
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84 } |
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85 |
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86 |
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87 ngx_tid_t ngx_thread_self(); |
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88 |
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90 #define ngx_mutex_trylock(m) ngx_mutex_dolock(m, 1) |
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91 #define ngx_mutex_lock(m) ngx_mutex_dolock(m, 0) |
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92 ngx_int_t ngx_mutex_dolock(ngx_mutex_t *m, ngx_int_t try); |
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93 ngx_int_t ngx_mutex_unlock(ngx_mutex_t *m); |
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96 typedef int (*ngx_rfork_thread_func_pt)(void *arg); |
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100 #endif /* _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_ */ |