/*
* Copyright © 2014 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3,
* as published by the Free Software Foundation.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see .
*
* Authored by: Kevin DuBois
*/
#ifndef ANBOX_COMMON_FD_H_
#define ANBOX_COMMON_FD_H_
#include
namespace anbox {
struct IntOwnedFd {
int int_owned_fd;
};
class Fd {
public:
// transfer ownership of the POD-int to the object. The int no longer needs
// close()ing,
// and has the lifetime of the Fd object.
explicit Fd(int fd);
explicit Fd(IntOwnedFd);
static int const invalid{-1};
Fd(); // Initializes fd to the anbox::Fd::invalid;
Fd(Fd&&);
Fd(Fd const&) = default;
Fd& operator=(Fd);
// bit of a convenient kludge. take care not to close or otherwise destroy the
// FD.
operator int() const;
private:
std::shared_ptr fd;
};
} // namespace anbox
#endif