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