# HG changeset patch
# User Vladimir Homutov <vl@nginx.com>
# Date 1518700085 -10800
# Node ID fc4d82c13c0400af4be67567cbf5b18cda63f66d
# Parent  e44c297a6b95eacf82c04fa1a6f19fe7ef74d947
Core: added a stub for additional zone configuration.

diff --git a/src/core/ngx_cycle.h b/src/core/ngx_cycle.h
--- a/src/core/ngx_cycle.h
+++ b/src/core/ngx_cycle.h
@@ -31,6 +31,7 @@ struct ngx_shm_zone_s {
     ngx_shm_t                 shm;
     ngx_shm_zone_init_pt      init;
     void                     *tag;
+    void                     *sync;
     ngx_uint_t                noreuse;  /* unsigned  noreuse:1; */
 };