2020-01-18 11:38:21 +03:00
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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2019-01-15 08:30:19 +03:00
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#pragma once
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2019-04-29 05:55:54 +03:00
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#include <Kernel/FileSystem/InodeIdentifier.h>
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2019-04-03 13:28:45 +03:00
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#include <Kernel/TTY/TTY.h>
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2019-01-15 08:30:19 +03:00
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class MasterPTY;
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class SlavePTY final : public TTY {
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public:
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virtual ~SlavePTY() override;
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2019-07-03 22:17:35 +03:00
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void on_master_write(const u8*, ssize_t);
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2019-01-16 15:36:10 +03:00
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unsigned index() const { return m_index; }
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2019-01-15 08:30:19 +03:00
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2019-01-21 04:33:01 +03:00
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private:
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// ^TTY
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2019-10-18 15:13:43 +03:00
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virtual StringView tty_name() const override;
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2019-07-03 22:17:35 +03:00
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virtual ssize_t on_tty_write(const u8*, ssize_t) override;
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2019-10-20 09:12:00 +03:00
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virtual void echo(u8) override;
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2019-01-21 04:33:01 +03:00
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// ^CharacterDevice
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2019-11-04 16:03:14 +03:00
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virtual bool can_read(const FileDescription&) const override;
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2019-07-03 22:17:35 +03:00
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virtual ssize_t read(FileDescription&, u8*, ssize_t) override;
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2019-11-04 16:03:14 +03:00
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virtual bool can_write(const FileDescription&) const override;
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2019-01-21 04:33:01 +03:00
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virtual const char* class_name() const override { return "SlavePTY"; }
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2019-01-30 20:26:19 +03:00
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virtual void close() override;
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2019-01-15 08:30:19 +03:00
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2019-01-16 04:11:50 +03:00
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friend class MasterPTY;
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SlavePTY(MasterPTY&, unsigned index);
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2019-06-21 19:37:47 +03:00
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RefPtr<MasterPTY> m_master;
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2019-01-15 08:30:19 +03:00
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unsigned m_index;
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2019-10-18 15:13:43 +03:00
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char m_tty_name[32];
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2019-01-15 08:30:19 +03:00
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};
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