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27f699ef0c
These types can be picked up by including <AK/Types.h>: * u8, u16, u32, u64 (unsigned) * i8, i16, i32, i64 (signed)
32 lines
989 B
C++
32 lines
989 B
C++
#pragma once
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#include <AK/Badge.h>
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#include <Kernel/Devices/CharacterDevice.h>
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#include <Kernel/Lock.h>
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class MasterPTY;
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class PTYMultiplexer final : public CharacterDevice {
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AK_MAKE_ETERNAL
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public:
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PTYMultiplexer();
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virtual ~PTYMultiplexer() override;
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static PTYMultiplexer& the();
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// ^CharacterDevice
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virtual KResultOr<NonnullRefPtr<FileDescription>> open(int options) override;
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virtual ssize_t read(FileDescription&, u8*, ssize_t) override { return 0; }
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virtual ssize_t write(FileDescription&, const u8*, ssize_t) override { return 0; }
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virtual bool can_read(FileDescription&) const override { return true; }
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virtual bool can_write(FileDescription&) const override { return true; }
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void notify_master_destroyed(Badge<MasterPTY>, unsigned index);
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private:
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// ^CharacterDevice
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virtual const char* class_name() const override { return "PTYMultiplexer"; }
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Lock m_lock { "PTYMultiplexer" };
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Vector<unsigned> m_freelist;
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};
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