Function getthread

src/Chain/libraries/glua/ldblib.cpp:89–98

** Auxiliary function used by several library functions: check for ** an optional thread as function's first argument and set 'arg' with ** 1 if this argument is present (so that functions can skip it to ** access their other arguments) */

** access their other arguments)
*/
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;  /* function will operate over current thread */
    }
}


/*