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https://github.com/SerenityOS/serenity
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b55199c227
The TTY subsystem is represented with unix devices, so it should be under the Devices directory like the Audio, Storage, GPU and HID subsystems.
46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
/*
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* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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#include <Kernel/Devices/TTY/VirtualConsole.h>
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#include <Kernel/Library/NonnullLockRefPtr.h>
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namespace Kernel {
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class ConsoleManagement {
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friend class VirtualConsole;
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public:
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ConsoleManagement();
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static constexpr size_t s_max_virtual_consoles = 6;
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static bool is_initialized();
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static ConsoleManagement& the();
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void switch_to(unsigned);
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void initialize();
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void resolution_was_changed();
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void switch_to_debug() { switch_to(1); }
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NonnullLockRefPtr<VirtualConsole> first_tty() const { return m_consoles[0]; }
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NonnullLockRefPtr<VirtualConsole> debug_tty() const { return m_consoles[1]; }
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RecursiveSpinlock<LockRank::None>& tty_write_lock() { return m_tty_write_lock; }
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private:
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Vector<NonnullLockRefPtr<VirtualConsole>, s_max_virtual_consoles> m_consoles;
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VirtualConsole* m_active_console { nullptr };
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Spinlock<LockRank::None> m_lock {};
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RecursiveSpinlock<LockRank::None> m_tty_write_lock {};
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};
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};
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