Files
scylladb/utils/file_lock.hh
Avi Kivity 775b7e41f4 Update seastar submodule
* seastar d59fcef...b924495 (2):
  > build: Fix protobuf generation rules
  > Merge "Restructure files" from Jesse

Includes fixup patch from Jesse:

"
Update Seastar `#include`s to reflect restructure

All Seastar header files are now prefixed with "seastar" and the
configure script reflects the new locations of files.

Signed-off-by: Jesse Haber-Kucharsky <jhaberku@scylladb.com>
Message-Id: <5d22d964a7735696fb6bb7606ed88f35dde31413.1542731639.git.jhaberku@scylladb.com>
"
2018-11-21 00:01:44 +02:00

56 lines
1.4 KiB
C++

/*
* Copyright (C) 2014 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/>.
*/
#pragma once
#include <memory>
#include <ostream>
#include <seastar/core/sstring.hh>
#include <seastar/core/future.hh>
#include "seastarx.hh"
namespace utils {
class file_lock {
public:
file_lock() = delete;
file_lock(const file_lock&) = delete;
file_lock(file_lock&&) noexcept;
~file_lock();
file_lock& operator=(file_lock&&) = default;
static future<file_lock> acquire(sstring);
sstring path() const;
sstring to_string() const {
return path();
}
private:
class impl;
file_lock(sstring);
std::unique_ptr<impl> _impl;
};
std::ostream& operator<<(std::ostream& out, const file_lock& f);
}