1 /* 2 * Copyright (C) 2012 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 #ifndef PORTABILITY_H_included 18 #define PORTABILITY_H_included 19 20 #include <byteswap.h> 21 #include <sys/sendfile.h> 22 #include <sys/statvfs.h> 23 24 #include <netdb.h> 25 #if defined(__BIONIC__) 26 extern "C" int android_getaddrinfofornet(const char*, const char*, const struct addrinfo*, unsigned, unsigned, struct addrinfo**); 27 #else 28 static inline int android_getaddrinfofornet(const char* hostname, const char* servname, 29 const struct addrinfo* hints, unsigned /*netid*/, unsigned /*mark*/, struct addrinfo** res) { 30 return getaddrinfo(hostname, servname, hints, res); 31 } 32 #endif 33 34 #if __has_include(<linux/vm_sockets.h>) 35 #include <linux/vm_sockets.h> 36 #else // __has_include(<linux/vm_sockets.h>) 37 // the platform does not support virtio-vsock 38 #define AF_VSOCK (-1) 39 #define VMADDR_PORT_ANY (-1) 40 #define VMADDR_CID_ANY (-1) 41 #define VMADDR_CID_LOCAL (-1) 42 #define VMADDR_CID_HOST (-1) 43 #endif // __has_include(<linux/vm_sockets.h>) 44 45 #if defined(__GLIBC__) && !defined(__LP64__) 46 47 #include <unistd.h> 48 49 // 32 bit GLIBC hardcodes a "long int" as the return type for 50 // TEMP_FAILURE_RETRY so the return value here gets truncated for 51 // functions that return 64 bit types. 52 #undef TEMP_FAILURE_RETRY 53 #define TEMP_FAILURE_RETRY(exp) ({ \ 54 __typeof__(exp) _rc; \ 55 do { \ 56 _rc = (exp); \ 57 } while (_rc == -1 && errno == EINTR); \ 58 _rc; }) 59 60 #endif // __GLIBC__ && !__LP64__ 61 62 #endif // PORTABILITY_H_included 63