lua

commit e043b72a55493cde9bb9c19997a4d58bac444630
parent a4c35a3269f0581da212b3c4abd04989f88425ce
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date:   Mon, 10 Dec 2001 20:11:01 -0200

simpler way to collect userdata

Diffstat:
M
lgc.h
 | 
2
+-
M
lstate.c
 | 
3
++-

2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/lgc.h b/lgc.h
@@ -16,7 +16,7 @@
 
 
 void luaC_callallgcTM (lua_State *L);
-Udata *luaC_collect (lua_State *L, int all);
+void luaC_collect (lua_State *L, int all);
 void luaC_collectgarbage (lua_State *L);
 
 
diff --git a/lstate.c b/lstate.c
@@ -116,7 +116,8 @@ static void close_state (lua_State *L, lua_State *OL) {
     L->next->previous = L->previous;
   }
   else if (G(L)) {  /* last thread; close global state */
-    luaC_callallgcTM(L);  /* call GC tag methods for all udata */
+    if (G(L)->rootudata)  /* (avoid problems with incomplete states) */
+      luaC_callallgcTM(L);  /* call GC tag methods for all udata */
     luaC_collect(L, 1);  /* collect all elements */
     lua_assert(G(L)->rootproto == NULL);
     lua_assert(G(L)->rootudata == NULL);