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Kernel: Have File virtuals take a FileDescriptor& rather than a Process&.

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This will allow us to implement different behaviors depending on the role
of the descriptor a File is being accessed through.
This commit is contained in:
Andreas Kling 2019-04-29 13:58:40 +02:00
parent 3761bc3ed7
commit 8cbb7f101f
39 changed files with 156 additions and 155 deletions
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10
Kernel/Devices/BXVGADevice.h
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@ -17,7 +17,7 @@ public:
void set_resolution(int width, int height);
void set_y_offset(int);
virtual int ioctl(Process&, unsigned request, unsigned arg) override;
virtual int ioctl(FileDescriptor&, unsigned request, unsigned arg) override;
virtual KResultOr<Region*> mmap(Process&, LinearAddress preferred_laddr, size_t offset, size_t) override;
size_t framebuffer_size_in_bytes() const { return m_framebuffer_size.area() * sizeof(dword) * 2; }
@ -25,10 +25,10 @@ public:
private:
virtual const char* class_name() const override { return "BXVGA"; }
virtual bool can_read(Process&) const override;
virtual bool can_write(Process&) const override;
virtual ssize_t read(Process&, byte*, ssize_t) override;
virtual ssize_t write(Process&, const byte*, ssize_t) override;
virtual bool can_read(FileDescriptor&) const override;
virtual bool can_write(FileDescriptor&) const override;
virtual ssize_t read(FileDescriptor&, byte*, ssize_t) override;
virtual ssize_t write(FileDescriptor&, const byte*, ssize_t) override;
void set_register(word index, word value);
dword find_framebuffer_address();