Mercurial > hg > nginx
annotate src/event/ngx_event_mutex.c @ 3786:8a8eb335313d
Linux accept4() support
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 25 Nov 2010 10:15:04 +0000 |
parents | a88a3e4e158f |
children | d620f497c50f |
rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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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, |
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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, |
461 | 16 "lock event mutex %p lock:%XD", m, m->lock); |
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17 |
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18 if (m->lock) { |
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19 |
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20 if (m->events == NULL) { |
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21 m->events = ev; |
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22 |
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23 } else { |
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24 m->last->next = ev; |
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25 } |
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26 |
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27 m->last = ev; |
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28 ev->next = NULL; |
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29 |
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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 |
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34 ngx_add_timer(ev, timer); |
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35 |
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36 return NGX_AGAIN; |
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37 } |
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38 |
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39 m->lock = 1; |
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40 |
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41 return NGX_OK; |
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42 } |
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43 |
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44 |
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45 ngx_int_t ngx_event_mutex_unlock(ngx_event_mutex_t *m, ngx_log_t *log) |
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46 { |
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47 ngx_event_t *ev; |
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48 |
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49 if (m->lock == 0) { |
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50 ngx_log_error(NGX_LOG_ALERT, log, 0, |
461 | 51 "tring to unlock the free event mutex %p", m); |
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52 return NGX_ERROR; |
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53 } |
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54 |
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55 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, log, 0, |
461 | 56 "unlock event mutex %p, next event: %p", m, m->events); |
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57 |
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58 m->lock = 0; |
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59 |
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60 if (m->events) { |
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61 ev = m->events; |
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62 m->events = ev->next; |
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63 |
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64 ev->next = (ngx_event_t *) ngx_posted_events; |
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65 ngx_posted_events = ev; |
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66 } |
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67 |
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68 return NGX_OK; |
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69 } |