new file mode 100644
--- /dev/null
+++ b/src/event/ngx_event_posted.h
@@ -0,0 +1,55 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ */
+
+
+#ifndef _NGX_EVENT_POSTED_H_INCLUDED_
+#define _NGX_EVENT_POSTED_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_event.h>
+
+
+#define ngx_post_event(ev)                                                    \
+            if (ev->prev == NULL) {                                           \
+                ev->next = (ngx_event_t *) ngx_posted_events;                 \
+                ev->prev = (ngx_event_t **) &ngx_posted_events;               \
+                ngx_posted_events = ev;                                       \
+                if (ev->next) {                                               \
+                    ev->next->prev = &ev->next;                               \
+                }                                                             \
+                ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0,                \
+                               "post event " PTR_FMT, ev);                    \
+            } else  {                                                         \
+                ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0,                \
+                               "update posted event " PTR_FMT, ev);           \
+            }
+
+#define ngx_delete_posted_event(ev)                                           \
+        *(ev->prev) = ev->next;                                               \
+        if (ev->next) {                                                       \
+            ev->next->prev = ev->prev;                                        \
+        }                                                                     \
+        ev->prev = NULL;                                                      \
+        ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0,                        \
+                       "delete posted event " PTR_FMT, ev);
+
+
+
+void ngx_event_process_posted(ngx_cycle_t *cycle);
+void ngx_wakeup_worker_thread(ngx_cycle_t *cycle);
+
+extern ngx_thread_volatile ngx_event_t  *ngx_posted_events;
+
+
+#if (NGX_THREADS)
+ngx_int_t ngx_event_thread_process_posted(ngx_cycle_t *cycle);
+
+extern ngx_mutex_t                      *ngx_posted_events_mutex;
+#endif
+
+
+#endif /* _NGX_EVENT_POSTED_H_INCLUDED_ */