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openresty/patches/nginx-1.19.2-delayed_posted_events.patch
2020-09-28 12:42:57 -07:00

99 lines
3.0 KiB
C

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