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annotate src/event/ngx_event_mutex.c @ 273:34329e143004

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nginx-0.0.2-2004-03-01-19:45:48 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 01 Mar 2004 16:45:48 +0000
parents d4e65d74db9f
children da8c5707af39
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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2 #include <ngx_config.h>
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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3 #include <ngx_core.h>
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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4 #include <ngx_event.h>
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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7 ngx_int_t ngx_event_mutex_timedlock(ngx_event_mutex_t *m, ngx_msec_t timer,
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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8 ngx_event_t *ev)
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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9 {
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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10 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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11 "lock event mutex " PTR_FMT " lock:%X", m, m->lock);
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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13 if (m->lock) {
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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15 if (m->events == NULL) {
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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16 m->events = ev;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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18 } else {
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
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19 m->last->next = ev;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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20 }
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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22 m->last = ev;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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23 ev->next = NULL;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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34329e143004 nginx-0.0.2-2004-03-01-19:45:48 import
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25 #if (NGX_THREADS0)
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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26 ev->light = 1;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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27 #endif
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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29 ngx_add_timer(ev, timer);
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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31 return NGX_AGAIN;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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32 }
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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34 m->lock = 1;
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36 return NGX_OK;
1
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37 }
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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40 ngx_int_t ngx_event_mutex_unlock(ngx_event_mutex_t *m, ngx_log_t *log)
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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41 {
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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42 ngx_event_t *ev;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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44 if (m->lock == 0) {
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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45 ngx_log_error(NGX_LOG_ALERT, log, 0,
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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46 "tring to unlock the free event mutex " PTR_FMT, m);
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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47 return NGX_ERROR;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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48 }
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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50 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, log, 0,
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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51 "unlock event mutex " PTR_FMT ", next event: " PTR_FMT,
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
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52 m, m->events);
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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54 m->lock = 0;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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55
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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56 if (m->events) {
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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57 ev = m->events;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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58 m->events = ev->next;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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59
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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60 ev->next = (ngx_event_t *) ngx_posted_events;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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61 ngx_posted_events = ev;
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62 }
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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64 return NGX_OK;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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65 }