| /* |
| * 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> |
| |
| 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. |
| */ |
| |
| // Win32 #defines NO_ERROR as well. It has the same value, so there's no |
| // real conflict, though it's a bit awkward. |
| #ifdef _WIN32 |
| # undef NO_ERROR |
| #endif |
| |
| enum { |
| OK = 0, // Preferred constant for checking success. |
| NO_ERROR = OK, // Deprecated synonym for `OK`. Prefer `OK` because it doesn't conflict with Windows. |
| |
| 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), |
| }; |
| |
| // Restore define; enumeration is in "android" namespace, so the value defined |
| // there won't work for Win32 code in a different namespace. |
| #ifdef _WIN32 |
| # define NO_ERROR 0L |
| #endif |
| |
| } // namespace android |
