1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_ERRORS_H 18 #define ANDROID_ERRORS_H 19 20 #include <sys/types.h> 21 #include <errno.h> 22 23 namespace android { 24 25 // use this type to return error codes 26 #ifdef _WIN32 27 typedef int status_t; 28 #else 29 typedef int32_t status_t; 30 #endif 31 32 /* the MS C runtime lacks a few error codes */ 33 34 /* 35 * Error codes. 36 * All error codes are negative values. 37 */ 38 39 // Win32 #defines NO_ERROR as well. It has the same value, so there's no 40 // real conflict, though it's a bit awkward. 41 #ifdef _WIN32 42 # undef NO_ERROR 43 #endif 44 45 enum { 46 OK = 0, // Everything's swell. 47 NO_ERROR = 0, // No errors. 48 49 UNKNOWN_ERROR = (-2147483647-1), // INT32_MIN value 50 51 NO_MEMORY = -ENOMEM, 52 INVALID_OPERATION = -ENOSYS, 53 BAD_VALUE = -EINVAL, 54 BAD_TYPE = (UNKNOWN_ERROR + 1), 55 NAME_NOT_FOUND = -ENOENT, 56 PERMISSION_DENIED = -EPERM, 57 NO_INIT = -ENODEV, 58 ALREADY_EXISTS = -EEXIST, 59 DEAD_OBJECT = -EPIPE, 60 FAILED_TRANSACTION = (UNKNOWN_ERROR + 2), 61 #if !defined(_WIN32) 62 BAD_INDEX = -EOVERFLOW, 63 NOT_ENOUGH_DATA = -ENODATA, 64 WOULD_BLOCK = -EWOULDBLOCK, 65 TIMED_OUT = -ETIMEDOUT, 66 UNKNOWN_TRANSACTION = -EBADMSG, 67 #else 68 BAD_INDEX = -E2BIG, 69 NOT_ENOUGH_DATA = (UNKNOWN_ERROR + 3), 70 WOULD_BLOCK = (UNKNOWN_ERROR + 4), 71 TIMED_OUT = (UNKNOWN_ERROR + 5), 72 UNKNOWN_TRANSACTION = (UNKNOWN_ERROR + 6), 73 #endif 74 FDS_NOT_ALLOWED = (UNKNOWN_ERROR + 7), 75 UNEXPECTED_NULL = (UNKNOWN_ERROR + 8), 76 }; 77 78 // Restore define; enumeration is in "android" namespace, so the value defined 79 // there won't work for Win32 code in a different namespace. 80 #ifdef _WIN32 81 # define NO_ERROR 0L 82 #endif 83 84 }; // namespace android 85 86 // --------------------------------------------------------------------------- 87 88 #endif // ANDROID_ERRORS_H 89
