mirror of
https://github.com/SerenityOS/serenity
synced 2024-10-05 07:29:49 +00:00
5a0cdb15b0
This makes the user-facing type only take the node member pointer, and lets the compiler figure out the other needed types from that.
57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
/*
|
|
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <Kernel/FileSystem/InodeIdentifier.h>
|
|
#include <Kernel/TTY/TTY.h>
|
|
|
|
namespace Kernel {
|
|
|
|
class MasterPTY;
|
|
|
|
class SlavePTY final : public TTY {
|
|
public:
|
|
virtual bool unref() const override;
|
|
virtual ~SlavePTY() override;
|
|
|
|
void on_master_write(const UserOrKernelBuffer&, size_t);
|
|
unsigned index() const { return m_index; }
|
|
|
|
time_t time_of_last_write() const { return m_time_of_last_write; }
|
|
|
|
virtual FileBlockerSet& blocker_set() override;
|
|
|
|
private:
|
|
// ^TTY
|
|
virtual String const& tty_name() const override;
|
|
virtual KResultOr<size_t> on_tty_write(const UserOrKernelBuffer&, size_t) override;
|
|
virtual void echo(u8) override;
|
|
|
|
// ^CharacterDevice
|
|
virtual bool can_read(const OpenFileDescription&, size_t) const override;
|
|
virtual KResultOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
|
|
virtual bool can_write(const OpenFileDescription&, size_t) const override;
|
|
virtual StringView class_name() const override { return "SlavePTY"; }
|
|
virtual KResult close() override;
|
|
|
|
friend class MasterPTY;
|
|
SlavePTY(MasterPTY&, unsigned index);
|
|
|
|
RefPtr<MasterPTY> m_master;
|
|
time_t m_time_of_last_write { 0 };
|
|
unsigned m_index { 0 };
|
|
String m_tty_name;
|
|
|
|
mutable IntrusiveListNode<SlavePTY> m_list_node;
|
|
|
|
public:
|
|
using List = IntrusiveList<&SlavePTY::m_list_node>;
|
|
static SpinlockProtected<SlavePTY::List>& all_instances();
|
|
};
|
|
|
|
}
|