Mercurial > hg > nginx-ranges
view src/event/ngx_event_mutex.c @ 427:ff86d646f9df NGINX_0_7_21
nginx 0.7.21
*) Changes in the ngx_http_limit_req_module.
*) Feature: the EXSLT support in the ngx_http_xslt_module.
Thanks to Denis F. Latypoff.
*) Workaround: compatibility with glibc 2.3.
Thanks to Eric Benson and Maxim Dounin.
*) Bugfix: nginx could not run on MacOSX 10.4 and earlier; the bug had
appeared in 0.7.6.
author | Igor Sysoev <http://sysoev.ru> |
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date | Tue, 11 Nov 2008 00:00:00 +0300 |
parents | 46833bd150cb |
children |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> ngx_int_t ngx_event_mutex_timedlock(ngx_event_mutex_t *m, ngx_msec_t timer, ngx_event_t *ev) { ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, "lock event mutex %p lock:%XD", m, m->lock); if (m->lock) { if (m->events == NULL) { m->events = ev; } else { m->last->next = ev; } m->last = ev; ev->next = NULL; #if (NGX_THREADS0) ev->light = 1; #endif ngx_add_timer(ev, timer); return NGX_AGAIN; } m->lock = 1; return NGX_OK; } ngx_int_t ngx_event_mutex_unlock(ngx_event_mutex_t *m, ngx_log_t *log) { ngx_event_t *ev; if (m->lock == 0) { ngx_log_error(NGX_LOG_ALERT, log, 0, "tring to unlock the free event mutex %p", m); return NGX_ERROR; } ngx_log_debug2(NGX_LOG_DEBUG_EVENT, log, 0, "unlock event mutex %p, next event: %p", m, m->events); m->lock = 0; if (m->events) { ev = m->events; m->events = ev->next; ev->next = (ngx_event_t *) ngx_posted_events; ngx_posted_events = ev; } return NGX_OK; }