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      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 
     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