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100 lines
3.1 KiB
100 lines
3.1 KiB
/* |
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* Copyright (C) 2016 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 "sysdeps/errno.h" |
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#include <errno.h> |
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#include <thread> |
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#include <unordered_map> |
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#include <utility> |
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#include "adb.h" |
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#if defined(_WIN32) |
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#define ETXTBSY EBUSY |
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#endif |
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// Use the linux asm-generic values for errno (which are used on all android archs but mips). |
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#define ERRNO_VALUES() \ |
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ERRNO_VALUE(EACCES, 13); \ |
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ERRNO_VALUE(EEXIST, 17); \ |
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ERRNO_VALUE(EFAULT, 14); \ |
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ERRNO_VALUE(EFBIG, 27); \ |
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ERRNO_VALUE(EINTR, 4); \ |
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ERRNO_VALUE(EINVAL, 22); \ |
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ERRNO_VALUE(EIO, 5); \ |
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ERRNO_VALUE(EISDIR, 21); \ |
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ERRNO_VALUE(ELOOP, 40); \ |
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ERRNO_VALUE(EMFILE, 24); \ |
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ERRNO_VALUE(ENAMETOOLONG, 36); \ |
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ERRNO_VALUE(ENFILE, 23); \ |
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ERRNO_VALUE(ENOENT, 2); \ |
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ERRNO_VALUE(ENOMEM, 12); \ |
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ERRNO_VALUE(ENOSPC, 28); \ |
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ERRNO_VALUE(ENOTDIR, 20); \ |
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ERRNO_VALUE(EOVERFLOW, 75); \ |
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ERRNO_VALUE(EPERM, 1); \ |
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ERRNO_VALUE(EROFS, 30); \ |
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ERRNO_VALUE(ETXTBSY, 26) |
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// Make sure these values are actually correct. |
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#if defined(__linux__) && !defined(__mips__) |
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#define ERRNO_VALUE(error_name, wire_value) static_assert((error_name) == (wire_value), "") |
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ERRNO_VALUES(); |
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#undef ERRNO_VALUE |
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#endif |
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static std::unordered_map<int, int>* generate_host_to_wire() { |
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auto result = new std::unordered_map<int, int>(); |
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#define ERRNO_VALUE(error_name, wire_value) \ |
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result->insert(std::make_pair((error_name), (wire_value))) |
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ERRNO_VALUES(); |
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#undef ERRNO_VALUE |
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return result; |
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} |
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static std::unordered_map<int, int>* generate_wire_to_host() { |
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auto result = new std::unordered_map<int, int>(); |
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#define ERRNO_VALUE(error_name, wire_value) \ |
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result->insert(std::make_pair((wire_value), (error_name))) |
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ERRNO_VALUES(); |
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#undef ERRNO_VALUE |
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return result; |
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} |
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static std::unordered_map<int, int>& host_to_wire = *generate_host_to_wire(); |
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static std::unordered_map<int, int>& wire_to_host = *generate_wire_to_host(); |
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int errno_to_wire(int error) { |
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auto it = host_to_wire.find(error); |
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if (it == host_to_wire.end()) { |
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LOG(ERROR) << "failed to convert errno " << error << " (" << strerror(error) << ") to wire"; |
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// Return EIO; |
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return 5; |
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} |
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return it->second; |
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} |
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int errno_from_wire(int error) { |
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auto it = host_to_wire.find(error); |
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if (it == host_to_wire.end()) { |
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LOG(ERROR) << "failed to convert errno " << error << " from wire"; |
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return EIO; |
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} |
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return it->second; |
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}
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