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-rw-r--r--libs/nixio/src/select.c110
1 files changed, 0 insertions, 110 deletions
diff --git a/libs/nixio/src/select.c b/libs/nixio/src/select.c
deleted file mode 100644
index e88075ce4..000000000
--- a/libs/nixio/src/select.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * nixio - Linux I/O library for lua
- *
- * Copyright (C) 2009 Steven Barth <steven@midlink.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <lua.h>
-#include <lualib.h>
-#include <lauxlib.h>
-#include <sys/select.h>
-#include "nixio.h"
-
-static int nixio_select(lua_State *L) {
- int nfds = 0, tmpfd = -1, i = 0, j = 0, o = 0, k, tlen;
- fd_set rfds, wfds, xfds;
- fd_set *fdsets[3] = {&rfds, &wfds, &xfds};
- FD_ZERO(fdsets[0]);
- FD_ZERO(fdsets[1]);
- FD_ZERO(fdsets[2]);
-
- struct timeval timeout;
- timeout.tv_sec = luaL_optinteger(L, 4, 0);
- timeout.tv_usec = luaL_optinteger(L, 5, 0);
-
- /* create fdsets */
- for (i=0; i<3; i++) {
- o = i + 1;
- if (lua_isnoneornil(L, o)) {
- fdsets[i] = NULL;
- continue;
- }
-
- luaL_checktype(L, o, LUA_TTABLE);
- tlen = lua_objlen(L, o);
- luaL_argcheck(L, tlen <= FD_SETSIZE, o, "too many fds");
-
- for (j=1; j<=tlen; j++) {
- lua_rawgeti(L, o, j);
- tmpfd = nixio__checkfd(L, -1);
- FD_SET(tmpfd, fdsets[i]);
- if (tmpfd >= nfds) {
- nfds = tmpfd + 1;
- }
- lua_pop(L, 1);
- }
- }
-
- int stat = select(nfds, fdsets[0], fdsets[1], fdsets[2], &timeout);
-
- if (stat < 0) {
- return nixio__perror(L);
- } else if (stat == 0) {
- lua_pushinteger(L, stat);
- for (i=1; i<=3; i++) {
- if (lua_isnoneornil(L, i)) {
- lua_pushnil(L);
- } else {
- lua_newtable(L);
- }
- }
- } else {
- lua_pushinteger(L, stat);
-
- /* create return tables */
- for (i=0; i<3; i++) {
- o = i + 1;
- if (lua_isnoneornil(L, o)) {
- lua_pushnil(L);
- continue;
- }
-
- lua_newtable(L);
- tlen = lua_objlen(L, o);
- k = 1;
-
- for (j=1; j<=tlen; j++) {
- lua_rawgeti(L, o, j);
- tmpfd = nixio__tofd(L, -1);
- if (FD_ISSET(tmpfd, fdsets[i])) {
- lua_rawseti(L, -2, k++);
- } else {
- lua_pop(L, 1);
- }
- }
- }
- }
- return 4;
-}
-
-/* module table */
-static const luaL_reg R[] = {
- {"select", nixio_select},
- {NULL, NULL}
-};
-
-void nixio_open_select(lua_State *L) {
- luaL_register(L, NULL, R);
-}