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Kernel: Use KResultOr<size_t> throughout the TTY subsystem

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Previously the VirtualConsole::on_tty_write() method would return an
incorrect value when an error had occurred. This prompted me to
update the TTY subsystem to use KResultOr<size_t> everywhere.
This commit is contained in:
Gunnar Beutner 2021-06-16 15:20:35 +02:00 • committed by Andreas Kling
parent a49a15cabf
commit 1c3346e3ce
9 changed files with 29 additions and 29 deletions
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2
Kernel/TTY/TTY.h
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@ -53,7 +53,7 @@ public:
virtual mode_t required_mode() const override { return 0620; }
protected:
virtual ssize_t on_tty_write(const UserOrKernelBuffer&, ssize_t) = 0;
virtual KResultOr<size_t> on_tty_write(const UserOrKernelBuffer&, size_t) = 0;
void set_size(unsigned short columns, unsigned short rows);
TTY(unsigned major, unsigned minor);