Mercurial > hg > nginx
annotate src/os/unix/ngx_freebsd_rfork_thread.h @ 376:d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 05 Jul 2004 06:55:54 +0000 |
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children | 73688d5d7fc3 |
rev | line source |
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376
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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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16 |
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17 |
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18 #define NGX_MUTEX_LIGHT 1 |
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19 |
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20 #define NGX_MUTEX_LOCK_BUSY 0x80000000 |
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21 |
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22 typedef volatile struct { |
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23 ngx_atomic_t lock; |
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24 ngx_log_t *log; |
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25 int semid; |
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26 } ngx_mutex_t; |
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27 |
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28 |
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29 #define NGX_CV_SIGNAL 64 |
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30 |
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31 typedef struct { |
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32 int signo; |
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33 int kq; |
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34 ngx_tid_t tid; |
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35 ngx_log_t *log; |
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36 } ngx_cond_t; |
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37 |
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38 |
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39 #define ngx_thread_sigmask(how, set, oset) \ |
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40 (sigprocmask(how, set, oset) == -1) ? ngx_errno : 0 |
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41 |
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42 #define ngx_thread_sigmask_n "sigprocmask()" |
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43 |
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44 #define ngx_thread_join(t, p) |
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45 |
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46 #define ngx_setthrtitle(n) setproctitle(n) |
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47 |
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48 |
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49 extern char *ngx_freebsd_kern_usrstack; |
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50 extern size_t ngx_thread_stack_size; |
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51 |
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52 |
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53 static inline int ngx_gettid() |
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54 { |
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55 char *sp; |
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56 |
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57 if (ngx_thread_stack_size == 0) { |
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58 return 0; |
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59 } |
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60 |
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61 #if ( __i386__ ) |
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62 |
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63 __asm__ volatile ("mov %%esp, %0" : "=q" (sp)); |
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64 |
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65 #elif ( __amd64__ ) |
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66 |
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67 __asm__ volatile ("mov %%rsp, %0" : "=q" (sp)); |
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68 |
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69 #else |
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70 |
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71 #error "rfork()ed threads are not supported on this platform" |
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72 |
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73 #endif |
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74 |
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75 return (ngx_freebsd_kern_usrstack - sp) / ngx_thread_stack_size; |
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76 } |
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77 |
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78 |
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79 ngx_tid_t ngx_thread_self(); |
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80 #define ngx_thread_main() (ngx_gettid() == 0) |
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81 |
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82 |
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83 #define ngx_mutex_trylock(m) ngx_mutex_dolock(m, 1) |
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84 #define ngx_mutex_lock(m) ngx_mutex_dolock(m, 0) |
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85 ngx_int_t ngx_mutex_dolock(ngx_mutex_t *m, ngx_int_t try); |
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86 ngx_int_t ngx_mutex_unlock(ngx_mutex_t *m); |
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87 |
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89 typedef int (*ngx_rfork_thread_func_pt)(void *arg); |
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90 |
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91 |
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93 #endif /* _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_ */ |