use shared ngx_http_upstream_ignore_headers_masks[]

src/http/modules/ngx_http_fastcgi_module.c

diff --git a/src/http/modules/ngx_http_fastcgi_module.c b/src/http/modules/ngx_http_fastcgi_module.c
index e5d2af0..36967e9 100644
--- a/src/http/modules/ngx_http_fastcgi_module.c
+++ b/src/http/modules/ngx_http_fastcgi_module.c
@@ -183,15 +183,6 @@
 };
 
 
-static ngx_conf_bitmask_t  ngx_http_fastcgi_ignore_headers_masks[] = {
-    { ngx_string("X-Accel-Redirect"), NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT },
-    { ngx_string("X-Accel-Expires"), NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES },
-    { ngx_string("Expires"), NGX_HTTP_UPSTREAM_IGN_EXPIRES },
-    { ngx_string("Cache-Control"), NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL },
-    { ngx_null_string, 0 }
-};
-
-
 ngx_module_t  ngx_http_fastcgi_module;
 
 
@@ -430,7 +421,7 @@
       ngx_conf_set_bitmask_slot,
       NGX_HTTP_LOC_CONF_OFFSET,
       offsetof(ngx_http_fastcgi_loc_conf_t, upstream.ignore_headers),
-      &ngx_http_fastcgi_ignore_headers_masks },
+      &ngx_http_upstream_ignore_headers_masks },
 
     { ngx_string("fastcgi_catch_stderr"),
       NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,

src/http/modules/ngx_http_proxy_module.c

diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index de591a7..ff11d46 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -157,15 +157,6 @@
 };
 
 
-static ngx_conf_bitmask_t  ngx_http_proxy_ignore_headers_masks[] = {
-    { ngx_string("X-Accel-Redirect"), NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT },
-    { ngx_string("X-Accel-Expires"), NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES },
-    { ngx_string("Expires"), NGX_HTTP_UPSTREAM_IGN_EXPIRES },
-    { ngx_string("Cache-Control"), NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL },
-    { ngx_null_string, 0 }
-};
-
-
 ngx_module_t  ngx_http_proxy_module;
 
 
@@ -432,7 +423,7 @@
       ngx_conf_set_bitmask_slot,
       NGX_HTTP_LOC_CONF_OFFSET,
       offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_headers),
-      &ngx_http_proxy_ignore_headers_masks },
+      &ngx_http_upstream_ignore_headers_masks },
 
 #if (NGX_HTTP_SSL)
 

src/http/modules/ngx_http_scgi_module.c

diff --git a/src/http/modules/ngx_http_scgi_module.c b/src/http/modules/ngx_http_scgi_module.c
index 546bce0..9aaade8 100644
--- a/src/http/modules/ngx_http_scgi_module.c
+++ b/src/http/modules/ngx_http_scgi_module.c
@@ -296,7 +296,7 @@
       ngx_conf_set_bitmask_slot,
       NGX_HTTP_LOC_CONF_OFFSET,
       offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_headers),
-      &ngx_http_scgi_ignore_headers_masks },
+      &ngx_http_upstream_ignore_headers_masks },
 
       ngx_null_command
 };

src/http/modules/ngx_http_uwsgi_module.c

diff --git a/src/http/modules/ngx_http_uwsgi_module.c b/src/http/modules/ngx_http_uwsgi_module.c
index 6597ee2..8bf3c8b 100644
--- a/src/http/modules/ngx_http_uwsgi_module.c
+++ b/src/http/modules/ngx_http_uwsgi_module.c
@@ -83,15 +83,6 @@
 };
 
 
-static ngx_conf_bitmask_t ngx_http_uwsgi_ignore_headers_masks[] = {
-    { ngx_string("X-Accel-Redirect"), NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT },
-    { ngx_string("X-Accel-Expires"), NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES },
-    { ngx_string("Expires"), NGX_HTTP_UPSTREAM_IGN_EXPIRES },
-    { ngx_string("Cache-Control"), NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL },
-    { ngx_null_string, 0 }
-};
-
-
 ngx_module_t  ngx_http_uwsgi_module;
 
 
@@ -330,7 +321,7 @@
       ngx_conf_set_bitmask_slot,
       NGX_HTTP_LOC_CONF_OFFSET,
       offsetof(ngx_http_uwsgi_loc_conf_t, upstream.ignore_headers),
-      &ngx_http_uwsgi_ignore_headers_masks },
+      &ngx_http_upstream_ignore_headers_masks },
 
       ngx_null_command
 };

src/http/ngx_http_upstream.c

diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index ffed2c0..a59076f 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -355,6 +355,15 @@
 };
 
 
+ngx_conf_bitmask_t  ngx_http_upstream_ignore_headers_masks[] = {
+    { ngx_string("X-Accel-Redirect"), NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT },
+    { ngx_string("X-Accel-Expires"), NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES },
+    { ngx_string("Expires"), NGX_HTTP_UPSTREAM_IGN_EXPIRES },
+    { ngx_string("Cache-Control"), NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL },
+    { ngx_null_string, 0 }
+};
+
+
 ngx_int_t
 ngx_http_upstream_create(ngx_http_request_t *r)
 {

src/http/ngx_http_upstream.h

diff --git a/src/http/ngx_http_upstream.h b/src/http/ngx_http_upstream.h
index 9b01b2e..76418b1 100644
--- a/src/http/ngx_http_upstream.h
+++ b/src/http/ngx_http_upstream.h
@@ -337,6 +337,7 @@
 
 extern ngx_module_t        ngx_http_upstream_module;
 extern ngx_conf_bitmask_t  ngx_http_upstream_cache_method_mask[];
+extern ngx_conf_bitmask_t  ngx_http_upstream_ignore_headers_masks[];
 
 
 #endif /* _NGX_HTTP_UPSTREAM_H_INCLUDED_ */