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annotate contrib/python-zstandard/zstd/common/zstd_errors.h @ 40450:41f0529b5112 stable

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commandserver: get around ETIMEDOUT raised by selectors2 selector.select() should exits with an empty event list on timed out, but selectors2 raises OSError if timeout expires while recovering from EINTR. Spotted while debugging new chg feature.
author Yuya Nishihara <yuya@tcha.org>
date Mon, 03 Dec 2018 21:45:15 +0900
parents b1fb341d8a61
children 675775c33ab6
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1 /*
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2 * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
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3 * All rights reserved.
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4 *
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5 * This source code is licensed under both the BSD-style license (found in the
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6 * LICENSE file in the root directory of this source tree) and the GPLv2 (found
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7 * in the COPYING file in the root directory of this source tree).
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8 * You may select, at your option, one of the above-listed licenses.
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9 */
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11 #ifndef ZSTD_ERRORS_H_398273423
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12 #define ZSTD_ERRORS_H_398273423
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13
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14 #if defined (__cplusplus)
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15 extern "C" {
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16 #endif
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17
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18 /*===== dependency =====*/
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19 #include <stddef.h> /* size_t */
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21
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22 /* ===== ZSTDERRORLIB_API : control library symbols visibility ===== */
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23 #ifndef ZSTDERRORLIB_VISIBILITY
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24 # if defined(__GNUC__) && (__GNUC__ >= 4)
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25 # define ZSTDERRORLIB_VISIBILITY __attribute__ ((visibility ("default")))
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26 # else
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27 # define ZSTDERRORLIB_VISIBILITY
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28 # endif
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29 #endif
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30 #if defined(ZSTD_DLL_EXPORT) && (ZSTD_DLL_EXPORT==1)
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31 # define ZSTDERRORLIB_API __declspec(dllexport) ZSTDERRORLIB_VISIBILITY
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32 #elif defined(ZSTD_DLL_IMPORT) && (ZSTD_DLL_IMPORT==1)
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33 # define ZSTDERRORLIB_API __declspec(dllimport) ZSTDERRORLIB_VISIBILITY /* It isn't required but allows to generate better code, saving a function pointer load from the IAT and an indirect jump.*/
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34 #else
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35 # define ZSTDERRORLIB_API ZSTDERRORLIB_VISIBILITY
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36 #endif
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37
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38 /*-*********************************************
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39 * Error codes list
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40 *-*********************************************
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41 * Error codes _values_ are pinned down since v1.3.1 only.
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42 * Therefore, don't rely on values if you may link to any version < v1.3.1.
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43 *
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44 * Only values < 100 are considered stable.
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45 *
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46 * note 1 : this API shall be used with static linking only.
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47 * dynamic linking is not yet officially supported.
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48 * note 2 : Prefer relying on the enum than on its value whenever possible
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49 * This is the only supported way to use the error list < v1.3.1
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50 * note 3 : ZSTD_isError() is always correct, whatever the library version.
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51 **********************************************/
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52 typedef enum {
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53 ZSTD_error_no_error = 0,
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54 ZSTD_error_GENERIC = 1,
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55 ZSTD_error_prefix_unknown = 10,
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56 ZSTD_error_version_unsupported = 12,
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57 ZSTD_error_frameParameter_unsupported = 14,
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58 ZSTD_error_frameParameter_windowTooLarge = 16,
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59 ZSTD_error_corruption_detected = 20,
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60 ZSTD_error_checksum_wrong = 22,
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61 ZSTD_error_dictionary_corrupted = 30,
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62 ZSTD_error_dictionary_wrong = 32,
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63 ZSTD_error_dictionaryCreation_failed = 34,
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64 ZSTD_error_parameter_unsupported = 40,
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65 ZSTD_error_parameter_outOfBound = 42,
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66 ZSTD_error_tableLog_tooLarge = 44,
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67 ZSTD_error_maxSymbolValue_tooLarge = 46,
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68 ZSTD_error_maxSymbolValue_tooSmall = 48,
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69 ZSTD_error_stage_wrong = 60,
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70 ZSTD_error_init_missing = 62,
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71 ZSTD_error_memory_allocation = 64,
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72 ZSTD_error_workSpace_tooSmall= 66,
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73 ZSTD_error_dstSize_tooSmall = 70,
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74 ZSTD_error_srcSize_wrong = 72,
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75 /* following error codes are __NOT STABLE__, they can be removed or changed in future versions */
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76 ZSTD_error_frameIndex_tooLarge = 100,
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77 ZSTD_error_seekableIO = 102,
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78 ZSTD_error_maxCode = 120 /* never EVER use this value directly, it can change in future versions! Use ZSTD_isError() instead */
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79 } ZSTD_ErrorCode;
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80
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81 /*! ZSTD_getErrorCode() :
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82 convert a `size_t` function result into a `ZSTD_ErrorCode` enum type,
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83 which can be used to compare with enum list published above */
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84 ZSTDERRORLIB_API ZSTD_ErrorCode ZSTD_getErrorCode(size_t functionResult);
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85 ZSTDERRORLIB_API const char* ZSTD_getErrorString(ZSTD_ErrorCode code); /**< Same as ZSTD_getErrorName, but using a `ZSTD_ErrorCode` enum argument */
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86
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87
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88 #if defined (__cplusplus)
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89 }
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90 #endif
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91
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92 #endif /* ZSTD_ERRORS_H_398273423 */