Mercurial > hg > nginx

annotate src/event/ngx_event_busy_lock.c @ 309:2e899477243a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.3-2004-04-09-20:03:04 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 09 Apr 2004 16:03:04 +0000
parents ee394e997c77
children af4c6b45a687
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
276
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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1
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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2 #include <ngx_config.h>
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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3 #include <ngx_core.h>
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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4 #include <ngx_event.h>
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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5
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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6
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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7 static int ngx_event_busy_lock_look_cachable(ngx_event_busy_lock_t *bl,
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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8 ngx_event_busy_lock_ctx_t *ctx);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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9 static void ngx_event_busy_lock_handler(ngx_event_t *ev);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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10 static void ngx_event_busy_lock_posted_handler(ngx_event_t *ev);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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11
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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12
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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13 /*
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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14 * NGX_OK: the busy lock is held
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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15 * NGX_AGAIN: the all busy locks are held but we will wait the specified time
297
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 277
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16 * NGX_BUSY: ctx->timer == 0: there are many the busy locks
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 277
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17 * ctx->timer != 0: there are many the waiting locks
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 277
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18 * NGX_ERROR: an error occured while the mutex locking
276
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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19 */
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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20
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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21 ngx_int_t ngx_event_busy_lock(ngx_event_busy_lock_t *bl,
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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22 ngx_event_busy_lock_ctx_t *ctx)
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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23 {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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24 ngx_int_t rc;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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25
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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26 if (ngx_mutex_lock(bl->mutex) == NGX_ERROR) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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27 return NGX_ERROR;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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28 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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29
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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30 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ctx->event->log, 0,
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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31 "event busy lock: b:%d mb:%d",
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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32 bl->busy, bl->max_busy);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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33
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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34 if (bl->busy < bl->max_busy) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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35 bl->busy++;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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36 rc = NGX_OK;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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37
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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38 } else if (ctx->timer && bl->waiting < bl->max_waiting) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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39 bl->waiting++;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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40 ngx_add_timer(ctx->event, ctx->timer);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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41 ctx->event->event_handler = ngx_event_busy_lock_handler;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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42
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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43 if (bl->events == NULL) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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44 bl->events = ctx;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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45 } else {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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46 bl->last->next = ctx;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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47 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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48 bl->last = ctx;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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49
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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50 rc = NGX_AGAIN;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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51
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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52 } else {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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53 rc = NGX_BUSY;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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54 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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55
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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56 ngx_mutex_unlock(bl->mutex);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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57
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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58 return rc;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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59 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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60
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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61
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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62 ngx_int_t ngx_event_busy_lock_cachable(ngx_event_busy_lock_t *bl,
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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63 ngx_event_busy_lock_ctx_t *ctx)
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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64 {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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65 ngx_int_t rc;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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66
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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67 if (ngx_mutex_lock(bl->mutex) == NGX_ERROR) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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68 return NGX_ERROR;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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69 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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70
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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71 rc = ngx_event_busy_lock_look_cachable(bl, ctx);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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72
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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73 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ctx->event->log, 0,
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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74 "event busy lock: %d w:%d mw:%d",
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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75 rc, bl->waiting, bl->max_waiting);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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76
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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77 /*
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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78 * NGX_OK: no the same request, there is free slot and we locked it
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
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79 * NGX_BUSY: no the same request and there is no free slot
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
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80 * NGX_AGAIN: the same request is processing
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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81 */
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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82
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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83 if (rc == NGX_AGAIN) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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84
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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85 if (ctx->timer && bl->waiting < bl->max_waiting) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
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86 bl->waiting++;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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87 ngx_add_timer(ctx->event, ctx->timer);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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88 ctx->event->event_handler = ngx_event_busy_lock_handler;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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89
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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90 if (bl->events == NULL) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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91 bl->events = ctx;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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92 } else {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
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93 bl->last->next = ctx;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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94 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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95 bl->last = ctx;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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96
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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97 } else {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
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98 rc = NGX_BUSY;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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99 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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100 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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101
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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102 ngx_mutex_unlock(bl->mutex);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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103
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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104 return rc;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
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105 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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106
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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107
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
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108 ngx_int_t ngx_event_busy_unlock(ngx_event_busy_lock_t *bl,
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
109 ngx_event_busy_lock_ctx_t *ctx)
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
110 {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
111 ngx_event_t *ev;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
112 ngx_event_busy_lock_ctx_t *wakeup;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
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113
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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diff changeset
114 if (ngx_mutex_lock(bl->mutex) == NGX_ERROR) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
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115 return NGX_ERROR;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
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116 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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117
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
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118 if (bl->events) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
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119 wakeup = bl->events;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120 bl->events = bl->events->next;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 } else {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123 wakeup = NULL;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124 bl->busy--;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 /*
277
e91499541410 nginx-0.0.2-2004-03-03-19:14:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 276
diff changeset
128 * MP: all ctx's and their queue must be in shared memory,
e91499541410 nginx-0.0.2-2004-03-03-19:14:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 276
diff changeset
129 * each ctx has pid to wake up
276
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 */
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 if (wakeup == NULL) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133 ngx_mutex_unlock(bl->mutex);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134 return NGX_OK;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 if (ctx->md5) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 for (wakeup = bl->events; wakeup; wakeup = wakeup->next) {
277
e91499541410 nginx-0.0.2-2004-03-03-19:14:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 276
diff changeset
139 if (wakeup->md5 == NULL || wakeup->slot != ctx->slot) {
276
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140 continue;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143 wakeup->handler = ngx_event_busy_lock_posted_handler;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144 wakeup->cache_updated = 1;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
145
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146 ev = wakeup->event;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 return NGX_ERROR;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 ev->next = (ngx_event_t *) ngx_posted_events;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 ngx_posted_events = ev;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 ngx_mutex_unlock(ngx_posted_events_mutex);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 ngx_mutex_unlock(bl->mutex);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160 } else {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161 bl->waiting--;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163 ngx_mutex_unlock(bl->mutex);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165 wakeup->handler = ngx_event_busy_lock_posted_handler;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166 wakeup->locked = 1;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168 ev = wakeup->event;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170 if (ev->timer_set) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171 ngx_del_timer(ev);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175 return NGX_ERROR;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178 ev->next = (ngx_event_t *) ngx_posted_events;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 ngx_posted_events = ev;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181 ngx_mutex_unlock(ngx_posted_events_mutex);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184 return NGX_OK;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 ngx_int_t ngx_event_busy_lock_cancel(ngx_event_busy_lock_t *bl,
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189 ngx_event_busy_lock_ctx_t *ctx)
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 ngx_event_busy_lock_ctx_t *c, *p;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193 if (ngx_mutex_lock(bl->mutex) == NGX_ERROR) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 return NGX_ERROR;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 bl->waiting--;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199 if (ctx == bl->events) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 bl->events = ctx->next;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202 } else {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 p = bl->events;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 for (c = bl->events->next; c; c = c->next) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205 if (c == ctx) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 p->next = ctx->next;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 break;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209 p = c;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 ngx_mutex_unlock(bl->mutex);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215 return NGX_OK;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
219 static int ngx_event_busy_lock_look_cachable(ngx_event_busy_lock_t *bl,
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
220 ngx_event_busy_lock_ctx_t *ctx)
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
221 {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
222 ngx_int_t free;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 ngx_uint_t i, bit, cachable, mask;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
224
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225 bit = 0;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
226 cachable = 0;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227 free = -1;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229 #if (NGX_SUPPRESS_WARN)
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230 mask = 0;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231 #endif
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
232
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 for (i = 0; i < bl->max_busy; i++) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235 if ((bit & 7) == 0) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
236 mask = bl->md5_mask[i / 8];
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 if (mask & 1) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240 if (ngx_memcmp(&bl->md5[i * 16], ctx->md5, 16) == 0) {
277
e91499541410 nginx-0.0.2-2004-03-03-19:14:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 276
diff changeset
241 ctx->waiting = 1;
e91499541410 nginx-0.0.2-2004-03-03-19:14:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 276
diff changeset
242 ctx->slot = i;
276
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
243 return NGX_AGAIN;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
244 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
245 cachable++;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
246
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
247 } else if (free == -1) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
248 free = i;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
249 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
250
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
251 if (cachable == bl->cachable) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
252 if (free == -1 && cachable < bl->max_busy) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
253 free = i + 1;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
254 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
255
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
256 break;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
257 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
258
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
259 mask >>= 1;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
260 bit++;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
261 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
262
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
263 if (free == -1) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
264 return NGX_BUSY;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
265 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
266
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
267 #if 0
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
268 if (bl->busy == bl->max_busy) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
269 return NGX_BUSY;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
270 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
271 #endif
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
272
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
273 ngx_memcpy(&bl->md5[free * 16], ctx->md5, 16);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
274 bl->md5_mask[free / 8] |= 1 << (free & 7);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
275 ctx->slot = free;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
276
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
277 bl->cachable++;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
278 bl->busy++;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
279
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
280 return NGX_OK;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
281 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
282
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
283
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
284 static void ngx_event_busy_lock_handler(ngx_event_t *ev)
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
285 {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
286 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
287 return;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
288 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
289
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
290 ev->next = (ngx_event_t *) ngx_posted_events;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
291 ngx_posted_events = ev;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
292
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
293 ngx_mutex_unlock(ngx_posted_events_mutex);
277
e91499541410 nginx-0.0.2-2004-03-03-19:14:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 276
diff changeset
294
e91499541410 nginx-0.0.2-2004-03-03-19:14:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 276
diff changeset
295 ev->event_handler = ngx_event_busy_lock_posted_handler;
276
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
296 }
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
297
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
298
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
299 static void ngx_event_busy_lock_posted_handler(ngx_event_t *ev)
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
300 {
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
301 ngx_event_busy_lock_ctx_t *ctx;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
302
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
303 ctx = ev->data;
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
304 ctx->handler(ev);
a2d1ccc96111 nginx-0.0.2-2004-03-03-00:14:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
305 }