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71 lines
1.3 KiB
C
71 lines
1.3 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_event.h>
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ngx_int_t ngx_event_mutex_timedlock(ngx_event_mutex_t *m, ngx_msec_t timer,
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ngx_event_t *ev)
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{
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ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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"lock event mutex " PTR_FMT " lock:%X", m, m->lock);
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if (m->lock) {
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if (m->events == NULL) {
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m->events = ev;
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} else {
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m->last->next = ev;
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}
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m->last = ev;
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ev->next = NULL;
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#if (NGX_THREADS0)
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ev->light = 1;
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#endif
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ngx_add_timer(ev, timer);
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return NGX_AGAIN;
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}
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m->lock = 1;
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return NGX_OK;
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}
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ngx_int_t ngx_event_mutex_unlock(ngx_event_mutex_t *m, ngx_log_t *log)
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{
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ngx_event_t *ev;
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if (m->lock == 0) {
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ngx_log_error(NGX_LOG_ALERT, log, 0,
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"tring to unlock the free event mutex " PTR_FMT, m);
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return NGX_ERROR;
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}
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ngx_log_debug2(NGX_LOG_DEBUG_EVENT, log, 0,
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"unlock event mutex " PTR_FMT ", next event: " PTR_FMT,
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m, m->events);
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m->lock = 0;
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if (m->events) {
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ev = m->events;
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m->events = ev->next;
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ev->next = (ngx_event_t *) ngx_posted_events;
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ngx_posted_events = ev;
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}
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return NGX_OK;
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}
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