NetdClientDispatch.cpp revision 903b78873a744d3fba187e4bd22008ba21162e51
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "private/NetdClientDispatch.h" 18 19#ifdef __i386__ 20#define __socketcall __attribute__((__cdecl__)) 21#else 22#define __socketcall 23#endif 24 25extern "C" __socketcall int __accept4(int, sockaddr*, socklen_t*, int); 26extern "C" __socketcall int __connect(int, const sockaddr*, socklen_t); 27extern "C" __socketcall int __socket(int, int, int); 28 29static unsigned fallBackNetIdForResolv(unsigned netId) { 30 return netId; 31} 32 33// This structure is modified only at startup (when libc.so is loaded) and never 34// afterwards, so it's okay that it's read later at runtime without a lock. 35__LIBC_HIDDEN__ NetdClientDispatch __netdClientDispatch __attribute__((aligned(32))) = { 36 __accept4, 37 __connect, 38 __socket, 39 fallBackNetIdForResolv, 40}; 41