forked from Bananymous/banan-os
33 lines
878 B
C
33 lines
878 B
C
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#include <kernel/Device/Device.h>
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namespace Kernel
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{
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class RandomDevice : public CharacterDevice
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{
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public:
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static BAN::ErrorOr<BAN::RefPtr<RandomDevice>> create(mode_t, uid_t, gid_t);
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virtual dev_t rdev() const override { return m_rdev; }
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virtual BAN::StringView name() const override { return "random"_sv; }
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protected:
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RandomDevice(mode_t mode, uid_t uid, gid_t gid, dev_t rdev)
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: CharacterDevice(mode, uid, gid)
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, m_rdev(rdev)
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{ }
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virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
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virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan buffer) override { return buffer.size(); };
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virtual bool can_read_impl() const override { return true; }
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virtual bool can_write_impl() const override { return false; }
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virtual bool has_error_impl() const override { return false; }
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private:
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const dev_t m_rdev;
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};
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}
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