27 lines
625 B
C++
27 lines
625 B
C++
#include <BAN/UniqPtr.h>
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#include <kernel/Device/Device.h>
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namespace Kernel
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{
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class NullDevice : public CharacterDevice
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{
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public:
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static BAN::ErrorOr<BAN::RefPtr<NullDevice>> 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::ErrorOr<size_t> read(size_t, void*, size_t) override { return 0; }
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virtual BAN::ErrorOr<size_t> write(size_t, const void*, size_t size) override { return size; };
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protected:
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NullDevice(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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private:
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const dev_t m_rdev;
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};
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} |