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comment (LUA_GLOBALSINDEX does not need write barrier in lua_replace)

This commit is contained in:
Roberto Ierusalimschy 2008-01-25 11:42:12 -02:00
parent 3a515df086
commit dd3519ab89
1 changed files with 2 additions and 1 deletions
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3
lapi.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lapi.c,v 2.61 2007/08/07 16:53:40 roberto Exp roberto $ ** $Id: lapi.c,v 2.62 2007/11/28 18:27:38 roberto Exp roberto $
** Lua API ** Lua API
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -193,6 +193,7 @@ LUA_API void lua_replace (lua_State *L, int idx) {
if (idx < LUA_GLOBALSINDEX) /* function upvalue? */ if (idx < LUA_GLOBALSINDEX) /* function upvalue? */
luaC_barrier(L, curr_func(L), L->top - 1); luaC_barrier(L, curr_func(L), L->top - 1);
} }
/* LUA_GLOBALSINDEX does not need gc barrier (threads are never black) */
L->top--; L->top--;
lua_unlock(L); lua_unlock(L);
} }