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>
date Wed, 07 Jul 2004 06:15:04 +0000
parents 73688d5d7fc3
children 02a511569afb
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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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19
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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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26 #define NGX_MUTEX_LIGHT 1
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27
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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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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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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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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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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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87 ngx_tid_t ngx_thread_self();
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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_ */