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api checks to ensure that thread is OK when using lua_call/lua_pcall

This commit is contained in:
Roberto Ierusalimschy 2010-08-04 15:40:28 -03:00
parent cd6c276e41
commit 5e7dbd0b8b
1 changed files with 3 additions and 1 deletions
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4
lapi.c
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@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.132 2010/07/02 17:35:06 roberto Exp roberto $
** $Id: lapi.c,v 2.133 2010/07/25 15:18:19 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@ -799,6 +799,7 @@ LUA_API void lua_callk (lua_State *L, int nargs, int nresults, int ctx,
api_check(L, k == NULL || !isLua(L->ci),
"cannot use continuations inside hooks");
api_checknelems(L, nargs+1);
api_check(L, L->status == LUA_OK, "cannot do calls on non-normal thread");
checkresults(L, nargs, nresults);
func = L->top - (nargs+1);
if (k != NULL && L->nny == 0) { /* need to prepare continuation? */
@ -839,6 +840,7 @@ LUA_API int lua_pcallk (lua_State *L, int nargs, int nresults, int errfunc,
api_check(L, k == NULL || !isLua(L->ci),
"cannot use continuations inside hooks");
api_checknelems(L, nargs+1);
api_check(L, L->status == LUA_OK, "cannot do calls on non-normal thread");
checkresults(L, nargs, nresults);
if (errfunc == 0)
func = 0;