Function gctm

third-party/lua-5.2.4/src/loadlib.c:275–283

** __gc tag method for CLIBS table: calls 'll_unloadlib' for all lib ** handles in list CLIBS */

** handles in list CLIBS
*/
static int gctm (lua_State *L) {
  int n = luaL_len(L, 1);
  for (; n >= 1; n--) {  /* for each handle, in reverse order */
    lua_rawgeti(L, 1, n);  /* get handle CLIBS[n] */
    ll_unloadlib(lua_touserdata(L, -1));
    lua_pop(L, 1);  /* pop handle */
  }
  return 0;
}


static int ll_loadfunc (lua_State *L, const char *path, const char *sym) {