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Allow character devices to block write attempts until there is more space.
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21 changed files with 39 additions and 7 deletions
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@ -13,6 +13,7 @@ public:
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virtual ssize_t read(byte*, size_t) override;
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virtual ssize_t write(const byte*, size_t) override;
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virtual bool has_data_available_for_reading(Process&) const override;
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virtual bool can_write(Process&) const override;
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virtual int ioctl(Process&, unsigned request, unsigned arg) override final;
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virtual String tty_name() const = 0;
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