Mercurial > hg > nginx
annotate src/os/unix/ngx_thread.h @ 271:e16dfb9b9afa
nginx-0.0.2-2004-02-26-20:10:01 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 26 Feb 2004 17:10:01 +0000 |
parents | 7bb9562216ce |
children | d4e65d74db9f |
rev | line source |
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nginx-0.0.2-2004-02-23-23:57:12 import
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1 #ifndef _NGX_THREAD_H_INCLUDED_ |
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2 #define _NGX_THREAD_H_INCLUDED_ |
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3 |
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4 |
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5 #include <ngx_config.h> |
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6 #include <ngx_core.h> |
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7 |
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8 #if (NGX_THREADS) |
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10 #if (NGX_USE_RFORK) |
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12 #include <sys/ipc.h> |
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13 #include <sys/sem.h> |
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14 #include <sched.h> |
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16 typedef pid_t ngx_tid_t; |
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18 #define TID_T_FMT PID_T_FMT |
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20 #define ngx_log_tid 0 |
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21 |
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22 #undef ngx_log_pid |
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23 #define ngx_log_pid ngx_thread_self() |
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24 |
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26 #define NGX_MUTEX_LIGHT 1 |
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27 #define NGX_MUTEX_CV 2 |
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29 #define NGX_MUTEX_LOCK_BUSY 0x80000000 |
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31 typedef volatile struct { |
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32 ngx_atomic_t lock; |
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33 ngx_log_t *log; |
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34 int semid; |
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35 } ngx_mutex_t; |
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36 |
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38 #else /* use pthreads */ |
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39 |
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40 #include <pthread.h> |
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42 typedef pthread_t ngx_tid_t; |
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44 #define ngx_log_tid ngx_thread_self() |
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46 #endif |
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49 ngx_int_t ngx_init_threads(int n, size_t size, ngx_cycle_t *cycle); |
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50 int ngx_create_thread(ngx_tid_t *tid, int (*func)(void *arg), void *arg, |
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51 ngx_log_t *log); |
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52 ngx_tid_t ngx_thread_self(); |
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54 ngx_mutex_t *ngx_mutex_init(ngx_log_t *log, uint flags); |
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55 void ngx_mutex_done(ngx_mutex_t *m); |
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56 |
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57 #define ngx_mutex_trylock(m) ngx_mutex_do_lock(m, 1) |
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58 #define ngx_mutex_lock(m) ngx_mutex_do_lock(m, 0) |
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59 ngx_int_t ngx_mutex_do_lock(ngx_mutex_t *m, ngx_int_t try); |
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60 ngx_int_t ngx_mutex_unlock(ngx_mutex_t *m); |
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63 extern ngx_int_t ngx_threaded; |
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66 #else /* !NGX_THREADS */ |
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68 #define ngx_log_tid 0 |
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69 #define TID_T_FMT "%d" |
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71 #define ngx_mutex_lock(m) |
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72 #define ngx_mutex_unlock(m) |
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74 #endif |
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77 #endif /* _NGX_THREAD_H_INCLUDED_ */ |