Files
scylladb/utils/exceptions.cc
Benoît Canet 1fb9a48ac5 exception: Optionally shutdown communication on I/O errors.
I/O errors cannot be fixed by Scylla the only solution
is to shutdown the database communications.

Signed-off-by: Benoît Canet <benoit@scylladb.com>
Message-Id: <1458154098-9977-1-git-send-email-benoit@scylladb.com>
2016-03-17 15:02:52 +02:00

52 lines
1.3 KiB
C++

/*
* Copyright 2015 ScyllaDB
*/
/* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#include <exception>
#include <system_error>
#include "exceptions.hh"
#include <iostream>
bool check_exception(system_error_lambda_t f)
{
auto e = std::current_exception();
if (!e) {
return false;
}
try {
std::rethrow_exception(e);
} catch (std::system_error &e) {
return f(e);
} catch (...) {
return false;
}
return false;
}
bool is_system_error_errno(int err_no)
{
return check_exception([err_no] (const std::system_error &e) {
auto code = e.code();
return code.value() == err_no &&
code.category() == std::system_category();
});
}