blob: e6af68b4859fe38e1098cd6ace0b85adcd06b0bf [file] [log] [blame]
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "sysdeps/errno.h"
#include <errno.h>
#include <thread>
#include <unordered_map>
#include <utility>
#include "adb.h"
// Use the linux asm-generic values for errno (which are used on all android architectures).
#define ERRNO_VALUES() \
ERRNO_VALUE(EACCES, 13); \
ERRNO_VALUE(EEXIST, 17); \
ERRNO_VALUE(EFAULT, 14); \
ERRNO_VALUE(EFBIG, 27); \
ERRNO_VALUE(EINTR, 4); \
ERRNO_VALUE(EINVAL, 22); \
ERRNO_VALUE(EIO, 5); \
ERRNO_VALUE(EISDIR, 21); \
ERRNO_VALUE(ELOOP, 40); \
ERRNO_VALUE(EMFILE, 24); \
ERRNO_VALUE(ENAMETOOLONG, 36); \
ERRNO_VALUE(ENFILE, 23); \
ERRNO_VALUE(ENOENT, 2); \
ERRNO_VALUE(ENOMEM, 12); \
ERRNO_VALUE(ENOSPC, 28); \
ERRNO_VALUE(ENOTDIR, 20); \
ERRNO_VALUE(EOVERFLOW, 75); \
ERRNO_VALUE(EPERM, 1); \
ERRNO_VALUE(EROFS, 30); \
ERRNO_VALUE(ETXTBSY, 26)
// Make sure these values are actually correct.
#if defined(__linux__)
#define ERRNO_VALUE(error_name, wire_value) static_assert((error_name) == (wire_value), "")
ERRNO_VALUES();
#undef ERRNO_VALUE
#endif
static std::unordered_map<int, int>* generate_host_to_wire() {
auto result = new std::unordered_map<int, int>();
#define ERRNO_VALUE(error_name, wire_value) \
result->insert(std::make_pair((error_name), (wire_value)))
ERRNO_VALUES();
#undef ERRNO_VALUE
return result;
}
static std::unordered_map<int, int>* generate_wire_to_host() {
auto result = new std::unordered_map<int, int>();
#define ERRNO_VALUE(error_name, wire_value) \
result->insert(std::make_pair((wire_value), (error_name)))
ERRNO_VALUES();
#undef ERRNO_VALUE
return result;
}
static std::unordered_map<int, int>& host_to_wire = *generate_host_to_wire();
static std::unordered_map<int, int>& wire_to_host = *generate_wire_to_host();
int errno_to_wire(int error) {
auto it = host_to_wire.find(error);
if (it == host_to_wire.end()) {
LOG(ERROR) << "failed to convert errno " << error << " (" << strerror(error) << ") to wire";
// Return EIO;
return 5;
}
return it->second;
}
int errno_from_wire(int error) {
auto it = host_to_wire.find(error);
if (it == host_to_wire.end()) {
LOG(ERROR) << "failed to convert errno " << error << " from wire";
return EIO;
}
return it->second;
}