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78 lines
2.6 KiB
78 lines
2.6 KiB
4 months ago
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/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <memory>
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#include "android-base/cmsg.h"
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#include "android-base/file.h"
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#include "android-base/mapped_file.h"
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#include "android-base/unique_fd.h"
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namespace android {
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namespace base {
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// These ABI-compatibility shims are in a separate file for two reasons:
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// 1. If they were in the file with the actual functions, it prevents calls to
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// those functions by other functions in the file, due to ambiguity.
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// 2. We will hopefully be able to delete these quickly.
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#if !defined(_WIN32)
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ssize_t SendFileDescriptorVector(int sockfd, const void* data, size_t len,
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const std::vector<int>& fds) {
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return SendFileDescriptorVector(borrowed_fd(sockfd), data, len, fds);
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}
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ssize_t ReceiveFileDescriptorVector(int sockfd, void* data, size_t len, size_t max_fds,
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std::vector<unique_fd>* fds) {
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return ReceiveFileDescriptorVector(borrowed_fd(sockfd), data, len, max_fds, fds);
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}
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#endif
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bool ReadFdToString(int fd, std::string* content) {
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return ReadFdToString(borrowed_fd(fd), content);
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}
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bool WriteStringToFd(const std::string& content, int fd) {
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return WriteStringToFd(content, borrowed_fd(fd));
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}
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bool ReadFully(int fd, void* data, size_t byte_count) {
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return ReadFully(borrowed_fd(fd), data, byte_count);
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}
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bool ReadFullyAtOffset(int fd, void* data, size_t byte_count, off64_t offset) {
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return ReadFullyAtOffset(borrowed_fd(fd), data, byte_count, offset);
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}
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bool WriteFully(int fd, const void* data, size_t byte_count) {
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return WriteFully(borrowed_fd(fd), data, byte_count);
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}
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#if defined(__LP64__)
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#define MAPPEDFILE_FROMFD _ZN10MappedFile6FromFdEilmi
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#else
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#define MAPPEDFILE_FROMFD _ZN10MappedFile6FromFdEixmi
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#endif
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#pragma clang diagnostic ignored "-Wreturn-type-c-linkage"
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extern "C" std::unique_ptr<MappedFile> MAPPEDFILE_FROMFD(int fd, off64_t offset, size_t length,
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int prot) {
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return MappedFile::FromFd(fd, offset, length, prot);
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}
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} // namespace base
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} // namespace android
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