1 /* 2 * Copyright (c) 2020, The OpenThread Authors. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. Neither the name of the copyright holder nor the 13 * names of its contributors may be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /** 30 * @file 31 * This file contains header for exit code utilities. 32 */ 33 34 #ifndef PLATFORM_EXIT_CODE_H_ 35 #define PLATFORM_EXIT_CODE_H_ 36 37 #include <stdint.h> 38 #include <stdlib.h> 39 #include <string.h> 40 41 #include <openthread/logging.h> 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 /** 47 * Represents exit codes used when OpenThread exits. 48 */ 49 enum 50 { 51 /** 52 * Success. 53 */ 54 OT_EXIT_SUCCESS = 0, 55 56 /** 57 * Generic failure. 58 */ 59 OT_EXIT_FAILURE = 1, 60 61 /** 62 * Invalid arguments. 63 */ 64 OT_EXIT_INVALID_ARGUMENTS = 2, 65 66 /** 67 * Incompatible radio spinel. 68 */ 69 OT_EXIT_RADIO_SPINEL_INCOMPATIBLE = 3, 70 71 /** 72 * Unexpected radio spinel reset. 73 */ 74 OT_EXIT_RADIO_SPINEL_RESET = 4, 75 76 /** 77 * System call or library function error. 78 */ 79 OT_EXIT_ERROR_ERRNO = 5, 80 81 /** 82 * No response from radio spinel. 83 */ 84 OT_EXIT_RADIO_SPINEL_NO_RESPONSE = 6, 85 86 /** 87 * Invalid state. 88 */ 89 OT_EXIT_INVALID_STATE = 7, 90 91 }; 92 93 /** 94 * Converts an exit code into a string. 95 * 96 * @param[in] aExitCode An exit code. 97 * 98 * @returns A string representation of an exit code. 99 */ 100 const char *otExitCodeToString(uint8_t aExitCode); 101 102 /** 103 * Checks for the specified condition, which is expected to commonly be true, 104 * and both records exit status and terminates the program if the condition is false. 105 * 106 * @param[in] aCondition The condition to verify 107 * @param[in] aExitCode The exit code. 108 */ 109 #define VerifyOrDie(aCondition, aExitCode) \ 110 do \ 111 { \ 112 if (!(aCondition)) \ 113 { \ 114 const char *start = strrchr(__FILE__, '/'); \ 115 OT_UNUSED_VARIABLE(start); \ 116 otLogCritPlat("%s() at %s:%d: %s", __func__, (start ? start + 1 : __FILE__), __LINE__, \ 117 otExitCodeToString(aExitCode)); \ 118 exit(aExitCode); \ 119 } \ 120 } while (false) 121 122 /** 123 * Checks for the specified error code, which is expected to commonly be successful, 124 * and both records exit status and terminates the program if the error code is unsuccessful. 125 * 126 * @param[in] aError An error code to be evaluated against OT_ERROR_NONE. 127 */ 128 #define SuccessOrDie(aError) \ 129 VerifyOrDie(aError == OT_ERROR_NONE, \ 130 (aError == OT_ERROR_INVALID_ARGS ? OT_EXIT_INVALID_ARGUMENTS : OT_EXIT_FAILURE)) 131 132 /** 133 * Unconditionally both records exit status and terminates the program. 134 * 135 * @param[in] aExitCode The exit code. 136 */ 137 #define DieNow(aExitCode) VerifyOrDie(false, aExitCode) 138 139 /** 140 * Unconditionally both records exit status and exit message and terminates the program. 141 * 142 * @param[in] aMessage The exit message. 143 * @param[in] aExitCode The exit code. 144 */ 145 #define DieNowWithMessage(aMessage, aExitCode) \ 146 do \ 147 { \ 148 otLogCritPlat("exit(%d): %s line %d, %s, %s", aExitCode, __func__, __LINE__, aMessage, \ 149 otExitCodeToString(aExitCode)); \ 150 exit(aExitCode); \ 151 } while (false) 152 153 #ifdef __cplusplus 154 } 155 #endif 156 157 #endif // PLATFORM_EXIT_CODE_H_ 158