Function getthread

Source/Misc/lua/src/lua.c:11592–11601

static lua_State *getthread (lua_State *L, int *arg) {
if (lua_isthread(L, 1)) {
*arg = 1;
return lua_tothread(L, 1);
}
else {
*arg = 0;
return L;
}
}


static void treatstackoption (lua_State *L, lua_State *L1, const char *fname) {