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Allow character devices to block write attempts until there is more space.

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This commit is contained in:
Andreas Kling 2019-01-15 09:17:22 +01:00
parent 49b63281a0
commit e452303c66
21 changed files with 39 additions and 7 deletions
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Kernel/Keyboard.h
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@ -40,6 +40,7 @@ private:
virtual ssize_t read(byte* buffer, size_t) override;
virtual ssize_t write(const byte* buffer, size_t) override;
virtual bool has_data_available_for_reading(Process&) const override;
virtual bool can_write(Process&) const override { return true; }
void emit(byte);