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 
25 extern "C" __socketcall int __accept4(int, sockaddr*, socklen_t*, int);
26 extern "C" __socketcall int __connect(int, const sockaddr*, socklen_t);
27 extern "C" __socketcall int __socket(int, int, int);
28 
fallBackNetIdForResolv(unsigned netId)29 static 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