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/*
* Copyright (C) 2007 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.
*/
#pragma once
#include <errno.h>
#include <stdint.h>
#include <sys/types.h>
#include <string>
namespace android {
/**
* The type used to return success/failure from frameworks APIs.
* See the anonymous enum below for valid values.
*/
typedef int32_t status_t;
/*
* Error codes.
* All error codes are negative values.
*/
enum {
OK = 0, // Preferred constant for checking success.
#ifndef NO_ERROR
// Win32 #defines NO_ERROR as well. It has the same value, so there's no
// real conflict, though it's a bit awkward.
NO_ERROR = OK, // Deprecated synonym for `OK`. Prefer `OK` because it doesn't conflict with Windows.
#endif
UNKNOWN_ERROR = (-2147483647-1), // INT32_MIN value
NO_MEMORY = -ENOMEM,
INVALID_OPERATION = -ENOSYS,
BAD_VALUE = -EINVAL,
BAD_TYPE = (UNKNOWN_ERROR + 1),
NAME_NOT_FOUND = -ENOENT,
PERMISSION_DENIED = -EPERM,
NO_INIT = -ENODEV,
ALREADY_EXISTS = -EEXIST,
DEAD_OBJECT = -EPIPE,
FAILED_TRANSACTION = (UNKNOWN_ERROR + 2),
#if !defined(_WIN32)
BAD_INDEX = -EOVERFLOW,
NOT_ENOUGH_DATA = -ENODATA,
WOULD_BLOCK = -EWOULDBLOCK,
TIMED_OUT = -ETIMEDOUT,
UNKNOWN_TRANSACTION = -EBADMSG,
#else
BAD_INDEX = -E2BIG,
NOT_ENOUGH_DATA = (UNKNOWN_ERROR + 3),
WOULD_BLOCK = (UNKNOWN_ERROR + 4),
TIMED_OUT = (UNKNOWN_ERROR + 5),
UNKNOWN_TRANSACTION = (UNKNOWN_ERROR + 6),
#endif
FDS_NOT_ALLOWED = (UNKNOWN_ERROR + 7),
UNEXPECTED_NULL = (UNKNOWN_ERROR + 8),
};
// Human readable name of error
std::string statusToString(status_t status);
} // namespace android
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