Mercurial > hg > nginx-quic
annotate src/event/ngx_event_mutex.c @ 5999:4d8936b1fc32
Upstream keepalive: drop ready flag on EAGAIN from recv(MSG_PEEK).
Keeping the ready flag in this case might results in missing notification of
broken connection until nginx tried to use it again.
While there, stale comment about stale event was removed since this function
is also can be called directly.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Tue, 03 Mar 2015 17:48:57 +0300 |
parents | 3377f9459e99 |
children | 457ec43dd8d5 |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
1
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11 |
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13 ngx_int_t ngx_event_mutex_timedlock(ngx_event_mutex_t *m, ngx_msec_t timer, |
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14 ngx_event_t *ev) |
1
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15 { |
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16 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
461 | 17 "lock event mutex %p lock:%XD", m, m->lock); |
272
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18 |
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19 if (m->lock) { |
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20 |
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21 if (m->events == NULL) { |
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22 m->events = ev; |
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23 |
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24 } else { |
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25 m->last->next = ev; |
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26 } |
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27 |
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28 m->last = ev; |
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29 ev->next = NULL; |
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30 |
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31 #if (NGX_THREADS0) |
272
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32 ev->light = 1; |
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33 #endif |
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34 |
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35 ngx_add_timer(ev, timer); |
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36 |
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37 return NGX_AGAIN; |
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38 } |
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39 |
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40 m->lock = 1; |
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41 |
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42 return NGX_OK; |
1
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43 } |
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44 |
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45 |
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46 ngx_int_t ngx_event_mutex_unlock(ngx_event_mutex_t *m, ngx_log_t *log) |
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47 { |
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48 ngx_event_t *ev; |
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49 |
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50 if (m->lock == 0) { |
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51 ngx_log_error(NGX_LOG_ALERT, log, 0, |
461 | 52 "tring to unlock the free event mutex %p", m); |
272
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53 return NGX_ERROR; |
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54 } |
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55 |
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56 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, log, 0, |
461 | 57 "unlock event mutex %p, next event: %p", m, m->events); |
272
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58 |
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59 m->lock = 0; |
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60 |
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61 if (m->events) { |
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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_posted_events; |
272
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66 ngx_posted_events = ev; |
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67 } |
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68 |
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69 return NGX_OK; |
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70 } |