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annotate src/event/ngx_event_mutex.c @ 444:42d11f017717

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nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
author Igor Sysoev <igor@sysoev.ru>
date Wed, 29 Sep 2004 16:00:49 +0000
parents da8c5707af39
children a88a3e4e158f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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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 #include <ngx_config.h>
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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8 #include <ngx_core.h>
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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9 #include <ngx_event.h>
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12 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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13 ngx_event_t *ev)
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14 {
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15 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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16 "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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18 if (m->lock) {
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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20 if (m->events == NULL) {
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21 m->events = ev;
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23 } else {
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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24 m->last->next = ev;
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25 }
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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26
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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27 m->last = ev;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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28 ev->next = NULL;
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29
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34329e143004 nginx-0.0.2-2004-03-01-19:45:48 import
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30 #if (NGX_THREADS0)
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31 ev->light = 1;
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32 #endif
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33
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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34 ngx_add_timer(ev, timer);
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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36 return NGX_AGAIN;
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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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39 m->lock = 1;
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41 return NGX_OK;
1
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42 }
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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45 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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46 {
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47 ngx_event_t *ev;
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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49 if (m->lock == 0) {
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50 ngx_log_error(NGX_LOG_ALERT, log, 0,
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51 "tring to unlock the free event mutex " PTR_FMT, m);
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52 return NGX_ERROR;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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53 }
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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55 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, log, 0,
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56 "unlock event mutex " PTR_FMT ", next event: " PTR_FMT,
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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57 m, m->events);
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58
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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59 m->lock = 0;
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60
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61 if (m->events) {
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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62 ev = m->events;
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63 m->events = ev->next;
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64
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65 ev->next = (ngx_event_t *) ngx_posted_events;
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66 ngx_posted_events = ev;
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67 }
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68
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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69 return NGX_OK;
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70 }