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annotate src/os/unix/ngx_thread.h @ 376:d0451e402e27

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nginx-0.0.7-2004-07-05-10:55:54 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 05 Jul 2004 06:55:54 +0000
parents c9fdfccebc49
children 73688d5d7fc3
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1 #ifndef _NGX_THREAD_H_INCLUDED_
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2 #define _NGX_THREAD_H_INCLUDED_
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5 #include <ngx_config.h>
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6 #include <ngx_core.h>
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8 #if (NGX_THREADS)
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10 #define NGX_MAX_THREADS 128
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12 #if (NGX_USE_RFORK)
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13 #include <ngx_freebsd_rfork_thread.h>
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16 #else /* use pthreads */
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18 #include <pthread.h>
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19 #include <pthread_np.h>
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21 typedef pthread_t ngx_tid_t;
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23 #define ngx_thread_self() pthread_self()
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24 #define ngx_thread_main() pthread_main_np()
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25 #define ngx_log_tid (int) ngx_thread_self()
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27 #define TID_T_FMT PTR_FMT
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30 #define NGX_MUTEX_LIGHT 0
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32 typedef struct {
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33 pthread_mutex_t mutex;
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34 ngx_log_t *log;
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35 } ngx_mutex_t;
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37 typedef struct {
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38 pthread_cond_t cond;
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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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43 #define ngx_thread_sigmask pthread_sigmask
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44 #define ngx_thread_sigmask_n "pthread_sigmask()"
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46 #define ngx_thread_join(t, p) pthread_join(t, p)
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48 #define ngx_setthrtitle(n)
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52 ngx_int_t ngx_mutex_trylock(ngx_mutex_t *m);
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53 ngx_int_t ngx_mutex_lock(ngx_mutex_t *m);
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54 ngx_int_t ngx_mutex_unlock(ngx_mutex_t *m);
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56 #endif
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59 #define ngx_thread_volatile volatile
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62 typedef struct {
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63 ngx_tid_t tid;
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64 ngx_cond_t *cv;
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65 ngx_uint_t state;
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66 } ngx_thread_t;
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68 #define NGX_THREAD_FREE 1
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69 #define NGX_THREAD_BUSY 2
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70 #define NGX_THREAD_EXIT 3
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71 #define NGX_THREAD_DONE 4
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73 extern ngx_int_t ngx_threads_n;
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74 extern volatile ngx_thread_t ngx_threads[NGX_MAX_THREADS];
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77 ngx_int_t ngx_init_threads(int n, size_t size, ngx_cycle_t *cycle);
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78 int ngx_create_thread(ngx_tid_t *tid, void* (*func)(void *arg), void *arg,
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79 ngx_log_t *log);
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82 ngx_mutex_t *ngx_mutex_init(ngx_log_t *log, uint flags);
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83 void ngx_mutex_destroy(ngx_mutex_t *m);
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86 ngx_cond_t *ngx_cond_init(ngx_log_t *log);
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87 void ngx_cond_destroy(ngx_cond_t *cv);
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88 ngx_int_t ngx_cond_wait(ngx_cond_t *cv, ngx_mutex_t *m);
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89 ngx_int_t ngx_cond_signal(ngx_cond_t *cv);
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92 #else /* !NGX_THREADS */
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94 #define ngx_thread_volatile
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96 #define ngx_log_tid 0
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97 #define TID_T_FMT "%d"
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99 #define ngx_mutex_lock(m) NGX_OK
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100 #define ngx_mutex_unlock(m)
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102 #define ngx_cond_signal(cv)
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104 #define ngx_thread_main() 1
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106 #endif
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109 #endif /* _NGX_THREAD_H_INCLUDED_ */