mirror of
https://github.com/Bareflank/hypervisor
synced 2026-08-17 06:23:04 -04:00
d88b6c370b
This patch cleans up the headers of each file, and removes the authors fields as they are not needed and are confusing. Signed-off-by: rianquinn <“rianquinn@gmail.com”>
92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
//
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// Bareflank Hypervisor
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// Copyright (C) 2015 Assured Information Security, Inc.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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///
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/// @file bfexception.h
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///
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#ifndef BFEXCEPTION_H
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#define BFEXCEPTION_H
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#include <typeinfo>
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#include <exception>
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#include <bftypes.h>
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#include <bfdebug.h>
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#include <bferrorcodes.h>
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/// Guard Exceptions
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///
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/// Catches all exceptions and prints the exception that occurred. The point of
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/// this function is to prevent any exception from bubbling beyond this point.
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///
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/// @expects
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/// @ensures
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///
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/// @param error_code an error code to return if an exception occurs
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/// @param func the function to run that is guarded
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/// @return error_code on failure, SUCCESS on success
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///
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template<class T>
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int64_t
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guard_exceptions(int64_t error_code, T func)
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{
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try {
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func();
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return SUCCESS;
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}
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catch (std::bad_alloc &) {
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return BF_BAD_ALLOC;
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}
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catch (std::exception &e) {
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bfdebug_transaction(0, [&](std::string * msg) {
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bferror_lnbr(0, msg);
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bferror_brk1(0, msg);
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bferror_info(0, typeid(e).name(), msg);
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bferror_brk1(0, msg);
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bferror_info(0, e.what(), msg);
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});
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}
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catch (...) {
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bfdebug_transaction(0, [&](std::string * msg) {
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bferror_lnbr(0, msg);
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bferror_brk1(0, msg);
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bferror_info(0, "unknown exception", msg);
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bferror_brk1(0, msg);
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});
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}
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return error_code;
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}
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/// Guard Exceptions
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///
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/// Catches all exceptions and prints the exception that occurred. The point of
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/// this function is to prevent any exception from bubbling beyond this point.
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///
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/// @expects
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/// @ensures
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///
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/// @param func the function to run that is guarded
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///
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template<class T>
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void
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guard_exceptions(T &&func)
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{ guard_exceptions(0L, std::forward<T>(func)); }
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#endif
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