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	this nginx core feature is needed by the ngx.sleep(0) feature in ngx_lua, for example. Signed-off-by: Yichun Zhang (agentzh) <agentzh@gmail.com>
		
			
				
	
	
		
			99 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			99 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
diff --git a/src/event/ngx_event.c b/src/event/ngx_event.c
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index 57af8132..4853945f 100644
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--- a/src/event/ngx_event.c
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+++ b/src/event/ngx_event.c
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@@ -196,6 +196,9 @@ ngx_process_events_and_timers(ngx_cycle_t *cycle)
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     ngx_uint_t  flags;
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     ngx_msec_t  timer, delta;
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+    ngx_queue_t     *q;
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+    ngx_event_t     *ev;
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+
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     if (ngx_timer_resolution) {
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         timer = NGX_TIMER_INFINITE;
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         flags = 0;
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@@ -215,6 +218,13 @@ ngx_process_events_and_timers(ngx_cycle_t *cycle)
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 #endif
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     }
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+    if (!ngx_queue_empty(&ngx_posted_delayed_events)) {
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+        ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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+                       "posted delayed event queue not empty"
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+                       " making poll timeout 0");
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+        timer = 0;
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+    }
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+
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     if (ngx_use_accept_mutex) {
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         if (ngx_accept_disabled > 0) {
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             ngx_accept_disabled--;
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@@ -257,6 +267,35 @@ ngx_process_events_and_timers(ngx_cycle_t *cycle)
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     }
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     ngx_event_process_posted(cycle, &ngx_posted_events);
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+
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+    while (!ngx_queue_empty(&ngx_posted_delayed_events)) {
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+        q = ngx_queue_head(&ngx_posted_delayed_events);
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+
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+        ev = ngx_queue_data(q, ngx_event_t, queue);
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+        if (ev->delayed) {
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+            /* start of newly inserted nodes */
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+            for (/* void */;
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+                 q != ngx_queue_sentinel(&ngx_posted_delayed_events);
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+                 q = ngx_queue_next(q))
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+            {
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+                ev = ngx_queue_data(q, ngx_event_t, queue);
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+                ev->delayed = 0;
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+
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+                ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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+                               "skipping delayed posted event %p,"
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+                               " till next iteration", ev);
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+            }
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+
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+            break;
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+        }
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+
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+        ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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+                       "delayed posted event %p", ev);
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+
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+        ngx_delete_posted_event(ev);
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+
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+        ev->handler(ev);
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+    }
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 }
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@@ -600,6 +639,7 @@ ngx_event_process_init(ngx_cycle_t *cycle)
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     ngx_queue_init(&ngx_posted_accept_events);
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     ngx_queue_init(&ngx_posted_events);
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+    ngx_queue_init(&ngx_posted_delayed_events);
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     if (ngx_event_timer_init(cycle->log) == NGX_ERROR) {
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         return NGX_ERROR;
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diff --git a/src/event/ngx_event_posted.c b/src/event/ngx_event_posted.c
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index d851f3d1..b6cea009 100644
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--- a/src/event/ngx_event_posted.c
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+++ b/src/event/ngx_event_posted.c
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@@ -12,6 +12,7 @@
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 ngx_queue_t  ngx_posted_accept_events;
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 ngx_queue_t  ngx_posted_events;
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+ngx_queue_t  ngx_posted_delayed_events;
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 void
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diff --git a/src/event/ngx_event_posted.h b/src/event/ngx_event_posted.h
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index 145d30fe..6c388553 100644
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--- a/src/event/ngx_event_posted.h
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+++ b/src/event/ngx_event_posted.h
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@@ -43,6 +43,9 @@ void ngx_event_process_posted(ngx_cycle_t *cycle, ngx_queue_t *posted);
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 extern ngx_queue_t  ngx_posted_accept_events;
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 extern ngx_queue_t  ngx_posted_events;
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+extern ngx_queue_t  ngx_posted_delayed_events;
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+
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+#define HAVE_POSTED_DELAYED_EVENTS_PATCH
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 #endif /* _NGX_EVENT_POSTED_H_INCLUDED_ */
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