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annotate src/event/ngx_event_busy_lock.h @ 276:a2d1ccc96111

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nginx-0.0.2-2004-03-03-00:14:37 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 02 Mar 2004 21:14:37 +0000
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children e91499541410
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a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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1 #ifndef _NGX_EVENT_BUSY_LOCK_H_INCLUDED_
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2 #define _NGX_EVENT_BUSY_LOCK_H_INCLUDED_
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3
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5 #include <ngx_config.h>
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6 #include <ngx_core.h>
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7 #include <ngx_event.h>
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9 typedef struct ngx_event_busy_lock_ctx_s ngx_event_busy_lock_ctx_t;
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11 struct ngx_event_busy_lock_ctx_s {
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12 ngx_event_t *event;
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13 ngx_event_handler_pt handler;
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14 void *data;
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15 ngx_msec_t timer;
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17 unsigned locked:1;
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18 unsigned cache_updated:1;
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20 char *md5;
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21 ngx_int_t slot;
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23 ngx_event_busy_lock_ctx_t *next;
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24 };
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27 typedef struct {
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28 u_char *md5_mask;
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29 char *md5;
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30 ngx_uint_t cachable;
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32 ngx_uint_t busy;
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33 ngx_uint_t max_busy;
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34
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35 ngx_uint_t waiting;
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36 ngx_uint_t max_waiting;
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37
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38 ngx_event_busy_lock_ctx_t *events;
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39 ngx_event_busy_lock_ctx_t *last;
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40
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41 #if (NGX_THREADS)
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42 ngx_mutex_t *mutex;
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43 #endif
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44 } ngx_event_busy_lock_t;
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47 ngx_int_t ngx_event_busy_lock(ngx_event_busy_lock_t *bl,
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48 ngx_event_busy_lock_ctx_t *ctx);
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49 ngx_int_t ngx_event_busy_lock_cachable(ngx_event_busy_lock_t *bl,
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50 ngx_event_busy_lock_ctx_t *ctx);
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51 ngx_int_t ngx_event_busy_unlock(ngx_event_busy_lock_t *bl,
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52 ngx_event_busy_lock_ctx_t *ctx);
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53 ngx_int_t ngx_event_busy_lock_cancel(ngx_event_busy_lock_t *bl,
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54 ngx_event_busy_lock_ctx_t *ctx);
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57 #endif /* _NGX_EVENT_BUSY_LOCK_H_INCLUDED_ */