snlua53_set_activeL.diff

diff --git a/3rd/lua/lcorolib.c b/3rd/lua/lcorolib.c
index 0b17af9..a928067 100644
--- a/3rd/lua/lcorolib.c
+++ b/3rd/lua/lcorolib.c
@@ -17,6 +17,16 @@
 #include "lauxlib.h"
 #include "lualib.h"
 
+// Fixme: same size with 'snlua' in service_snlua.c
+struct snlua {
+	lua_State * L;
+	void * ctx;
+	size_t mem;
+	size_t mem_report;
+	size_t mem_limit;
+	lua_State * activeL;
+};
+
 
 static lua_State *getco (lua_State *L) {
   lua_State *co = lua_tothread(L, 1);
@@ -36,7 +46,14 @@ static int auxresume (lua_State *L, lua_State *co, int narg) {
     return -1;  /* error flag */
   }
   lua_xmove(L, co, narg);
+  // Fixme: set 'activeL'
+  void *ud = NULL;
+  lua_getallocf(L, &ud);
+  struct snlua *l = (struct snlua *)ud;
+  l->activeL = co;
   status = lua_resume(co, L, narg);
+  l->activeL = L;
+
   if (status == LUA_OK || status == LUA_YIELD) {
     int nres = lua_gettop(co);
     if (!lua_checkstack(L, nres + 1)) {
diff --git a/service-src/service_snlua.c b/service-src/service_snlua.c
index 6f2ea6c..e327050 100644
--- a/service-src/service_snlua.c
+++ b/service-src/service_snlua.c
@@ -17,6 +17,7 @@ struct snlua {
 	size_t mem;
 	size_t mem_report;
 	size_t mem_limit;
+	lua_State * activeL;
 };
 
 // LUA_CACHELIB may defined in patched lua for shared proto