1 2 /** 3 * Copyright (C) 2018-present MongoDB, Inc. 4 * 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the Server Side Public License, version 1, 7 * as published by MongoDB, Inc. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * Server Side Public License for more details. 13 * 14 * You should have received a copy of the Server Side Public License 15 * along with this program. If not, see 16 * <http://www.mongodb.com/licensing/server-side-public-license>. 17 * 18 * As a special exception, the copyright holders give permission to link the 19 * code of portions of this program with the OpenSSL library under certain 20 * conditions as described in each individual source file and distribute 21 * linked combinations including the program with the OpenSSL library. You 22 * must comply with the Server Side Public License in all respects for 23 * all of the code used other than as permitted herein. If you modify file(s) 24 * with this exception, you may extend this exception to your version of the 25 * file(s), but you are not obligated to do so. If you do not wish to do so, 26 * delete this exception statement from your version. If you delete this 27 * exception statement from all source files in the program, then also delete 28 * it in the license file. 29 */ 30 31 #pragma once 32 33 #include <system_error> 34 #include <type_traits> 35 36 #include "mongo/base/error_codes.h" 37 38 namespace mongo { 39 40 const std::error_category& mongoErrorCategory(); 41 42 // The next two functions are explicitly named (contrary to our naming style) so that they can be 43 // picked up by ADL. 44 std::error_code make_error_code(ErrorCodes::Error code); 45 46 std::error_condition make_error_condition(ErrorCodes::Error code); 47 48 } // namespace mongo 49 50 namespace std { 51 52 /** 53 * Allows a std::error_condition to be implicitly constructed from a mongo::ErrorCodes::Error. 54 * We specialize this instead of is_error_code_enum as our ErrorCodes are platform independent. 55 */ 56 template <> 57 struct is_error_condition_enum<mongo::ErrorCodes::Error> : public true_type {}; 58 59 } // namespace std 60