mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 21:57:43 +00:00
Kernel: Rename FileDescriptor to FileDescription.
After reading a bunch of POSIX specs, I've learned that a file descriptor is the number that refers to a file description, not the description itself. So this patch renames FileDescriptor to FileDescription, and Process now has FileDescription* file_description(int fd).
This commit is contained in:
parent
69a6ce90df
commit
08cd75ac4b
70 changed files with 373 additions and 373 deletions
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@ -84,7 +84,7 @@ dword BXVGADevice::find_framebuffer_address()
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return framebuffer_address;
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}
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KResultOr<Region*> BXVGADevice::mmap(Process& process, FileDescriptor&, LinearAddress preferred_laddr, size_t offset, size_t size, int prot)
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KResultOr<Region*> BXVGADevice::mmap(Process& process, FileDescription&, LinearAddress preferred_laddr, size_t offset, size_t size, int prot)
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{
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ASSERT(offset == 0);
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ASSERT(size == framebuffer_size_in_bytes());
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@ -104,7 +104,7 @@ KResultOr<Region*> BXVGADevice::mmap(Process& process, FileDescriptor&, LinearAd
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return region;
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}
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int BXVGADevice::ioctl(FileDescriptor&, unsigned request, unsigned arg)
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int BXVGADevice::ioctl(FileDescription&, unsigned request, unsigned arg)
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{
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switch (request) {
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case BXVGA_DEV_IOCTL_SET_Y_OFFSET:
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@ -124,22 +124,22 @@ int BXVGADevice::ioctl(FileDescriptor&, unsigned request, unsigned arg)
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};
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}
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bool BXVGADevice::can_read(FileDescriptor&) const
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bool BXVGADevice::can_read(FileDescription&) const
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{
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ASSERT_NOT_REACHED();
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}
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bool BXVGADevice::can_write(FileDescriptor&) const
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bool BXVGADevice::can_write(FileDescription&) const
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{
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ASSERT_NOT_REACHED();
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}
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ssize_t BXVGADevice::read(FileDescriptor&, byte*, ssize_t)
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ssize_t BXVGADevice::read(FileDescription&, byte*, ssize_t)
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{
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ASSERT_NOT_REACHED();
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}
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ssize_t BXVGADevice::write(FileDescriptor&, const byte*, ssize_t)
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ssize_t BXVGADevice::write(FileDescription&, const byte*, ssize_t)
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{
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ASSERT_NOT_REACHED();
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}
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@ -17,18 +17,18 @@ public:
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void set_resolution(int width, int height);
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void set_y_offset(int);
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virtual int ioctl(FileDescriptor&, unsigned request, unsigned arg) override;
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virtual KResultOr<Region*> mmap(Process&, FileDescriptor&, LinearAddress preferred_laddr, size_t offset, size_t, int prot) override;
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virtual int ioctl(FileDescription&, unsigned request, unsigned arg) override;
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virtual KResultOr<Region*> mmap(Process&, FileDescription&, LinearAddress preferred_laddr, size_t offset, size_t, int prot) override;
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size_t framebuffer_size_in_bytes() const { return m_framebuffer_size.area() * sizeof(dword) * 2; }
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Size framebuffer_size() const { return m_framebuffer_size; }
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private:
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virtual const char* class_name() const override { return "BXVGA"; }
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virtual bool can_read(FileDescriptor&) const override;
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virtual bool can_write(FileDescriptor&) const override;
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virtual ssize_t read(FileDescriptor&, byte*, ssize_t) override;
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virtual ssize_t write(FileDescriptor&, const byte*, ssize_t) override;
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virtual bool can_read(FileDescription&) const override;
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virtual bool can_write(FileDescription&) const override;
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virtual ssize_t read(FileDescription&, byte*, ssize_t) override;
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virtual ssize_t write(FileDescription&, const byte*, ssize_t) override;
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void set_register(word index, word value);
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dword find_framebuffer_address();
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@ -19,7 +19,7 @@ DebugLogDevice::~DebugLogDevice()
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{
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}
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ssize_t DebugLogDevice::write(FileDescriptor&, const byte* data, ssize_t data_size)
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ssize_t DebugLogDevice::write(FileDescription&, const byte* data, ssize_t data_size)
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{
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for (int i = 0; i < data_size; ++i)
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IO::out8(0xe9, data[i]);
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@ -9,9 +9,9 @@ public:
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private:
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// ^CharacterDevice
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virtual ssize_t read(FileDescriptor&, byte*, ssize_t) override { return 0; }
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virtual ssize_t write(FileDescriptor&, const byte*, ssize_t) override;
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virtual bool can_write(FileDescriptor&) const override { return true; }
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virtual bool can_read(FileDescriptor&) const override { return true; }
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virtual ssize_t read(FileDescription&, byte*, ssize_t) override { return 0; }
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virtual ssize_t write(FileDescription&, const byte*, ssize_t) override;
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virtual bool can_write(FileDescription&) const override { return true; }
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virtual bool can_read(FileDescription&) const override { return true; }
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virtual const char* class_name() const override { return "DebugLogDevice"; }
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};
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@ -14,7 +14,7 @@ Device::~Device()
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VFS::the().unregister_device({}, *this);
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}
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String Device::absolute_path(const FileDescriptor&) const
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String Device::absolute_path(const FileDescription&) const
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{
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return String::format("device:%u,%u (%s)", m_major, m_minor, class_name());
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}
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@ -19,7 +19,7 @@ public:
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unsigned major() const { return m_major; }
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unsigned minor() const { return m_minor; }
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virtual String absolute_path(const FileDescriptor&) const override;
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virtual String absolute_path(const FileDescription&) const override;
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uid_t uid() const { return m_uid; }
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uid_t gid() const { return m_gid; }
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@ -12,19 +12,19 @@ FullDevice::~FullDevice()
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{
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}
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bool FullDevice::can_read(FileDescriptor&) const
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bool FullDevice::can_read(FileDescription&) const
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{
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return true;
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}
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ssize_t FullDevice::read(FileDescriptor&, byte* buffer, ssize_t size)
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ssize_t FullDevice::read(FileDescription&, byte* buffer, ssize_t size)
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{
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ssize_t count = min(PAGE_SIZE, size);
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memset(buffer, 0, (size_t)count);
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return count;
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}
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ssize_t FullDevice::write(FileDescriptor&, const byte*, ssize_t size)
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ssize_t FullDevice::write(FileDescription&, const byte*, ssize_t size)
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{
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if (size == 0)
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return 0;
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@ -10,9 +10,9 @@ public:
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private:
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// ^CharacterDevice
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virtual ssize_t read(FileDescriptor&, byte*, ssize_t) override;
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virtual ssize_t write(FileDescriptor&, const byte*, ssize_t) override;
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virtual bool can_read(FileDescriptor&) const override;
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virtual bool can_write(FileDescriptor&) const override { return true; }
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virtual ssize_t read(FileDescription&, byte*, ssize_t) override;
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virtual ssize_t write(FileDescription&, const byte*, ssize_t) override;
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virtual bool can_read(FileDescription&) const override;
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virtual bool can_write(FileDescription&) const override { return true; }
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virtual const char* class_name() const override { return "FullDevice"; }
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};
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@ -208,12 +208,12 @@ KeyboardDevice::~KeyboardDevice()
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{
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}
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bool KeyboardDevice::can_read(FileDescriptor&) const
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bool KeyboardDevice::can_read(FileDescription&) const
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{
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return !m_queue.is_empty();
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}
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ssize_t KeyboardDevice::read(FileDescriptor&, byte* buffer, ssize_t size)
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ssize_t KeyboardDevice::read(FileDescription&, byte* buffer, ssize_t size)
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{
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ssize_t nread = 0;
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while (nread < size) {
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@ -229,7 +229,7 @@ ssize_t KeyboardDevice::read(FileDescriptor&, byte* buffer, ssize_t size)
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return nread;
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}
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ssize_t KeyboardDevice::write(FileDescriptor&, const byte*, ssize_t)
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ssize_t KeyboardDevice::write(FileDescription&, const byte*, ssize_t)
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{
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return 0;
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}
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@ -23,10 +23,10 @@ public:
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void set_client(KeyboardClient* client) { m_client = client; }
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// ^CharacterDevice
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virtual ssize_t read(FileDescriptor&, byte* buffer, ssize_t) override;
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virtual bool can_read(FileDescriptor&) const override;
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virtual ssize_t write(FileDescriptor&, const byte* buffer, ssize_t) override;
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virtual bool can_write(FileDescriptor&) const override { return true; }
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virtual ssize_t read(FileDescription&, byte* buffer, ssize_t) override;
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virtual bool can_read(FileDescription&) const override;
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virtual ssize_t write(FileDescription&, const byte* buffer, ssize_t) override;
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virtual bool can_write(FileDescription&) const override { return true; }
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private:
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// ^IRQHandler
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@ -20,17 +20,17 @@ NullDevice::~NullDevice()
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{
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}
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bool NullDevice::can_read(FileDescriptor&) const
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bool NullDevice::can_read(FileDescription&) const
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{
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return true;
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}
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ssize_t NullDevice::read(FileDescriptor&, byte*, ssize_t)
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ssize_t NullDevice::read(FileDescription&, byte*, ssize_t)
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{
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return 0;
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}
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ssize_t NullDevice::write(FileDescriptor&, const byte*, ssize_t buffer_size)
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ssize_t NullDevice::write(FileDescription&, const byte*, ssize_t buffer_size)
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{
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return min(PAGE_SIZE, buffer_size);
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}
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@ -12,9 +12,9 @@ public:
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private:
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// ^CharacterDevice
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virtual ssize_t read(FileDescriptor&, byte*, ssize_t) override;
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virtual ssize_t write(FileDescriptor&, const byte*, ssize_t) override;
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virtual bool can_write(FileDescriptor&) const override { return true; }
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virtual bool can_read(FileDescriptor&) const override;
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virtual ssize_t read(FileDescription&, byte*, ssize_t) override;
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virtual ssize_t write(FileDescription&, const byte*, ssize_t) override;
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virtual bool can_write(FileDescription&) const override { return true; }
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virtual bool can_read(FileDescription&) const override;
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virtual const char* class_name() const override { return "NullDevice"; }
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};
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@ -218,12 +218,12 @@ byte PS2MouseDevice::mouse_read()
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return IO::in8(0x60);
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}
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bool PS2MouseDevice::can_read(FileDescriptor&) const
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bool PS2MouseDevice::can_read(FileDescription&) const
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{
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return !m_queue.is_empty();
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}
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ssize_t PS2MouseDevice::read(FileDescriptor&, byte* buffer, ssize_t size)
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ssize_t PS2MouseDevice::read(FileDescription&, byte* buffer, ssize_t size)
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{
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ssize_t nread = 0;
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while (nread < size) {
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return nread;
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}
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ssize_t PS2MouseDevice::write(FileDescriptor&, const byte*, ssize_t)
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ssize_t PS2MouseDevice::write(FileDescription&, const byte*, ssize_t)
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{
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return 0;
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}
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@ -14,10 +14,10 @@ public:
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static PS2MouseDevice& the();
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// ^CharacterDevice
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virtual bool can_read(FileDescriptor&) const override;
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virtual ssize_t read(FileDescriptor&, byte*, ssize_t) override;
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virtual ssize_t write(FileDescriptor&, const byte*, ssize_t) override;
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virtual bool can_write(FileDescriptor&) const override { return true; }
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virtual bool can_read(FileDescription&) const override;
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virtual ssize_t read(FileDescription&, byte*, ssize_t) override;
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virtual ssize_t write(FileDescription&, const byte*, ssize_t) override;
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virtual bool can_write(FileDescription&) const override { return true; }
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private:
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// ^IRQHandler
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@ -26,12 +26,12 @@ static void mysrand(unsigned seed)
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}
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#endif
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bool RandomDevice::can_read(FileDescriptor&) const
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bool RandomDevice::can_read(FileDescription&) const
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{
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return true;
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}
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ssize_t RandomDevice::read(FileDescriptor&, byte* buffer, ssize_t size)
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ssize_t RandomDevice::read(FileDescription&, byte* buffer, ssize_t size)
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{
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const int range = 'z' - 'a';
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ssize_t nread = min(size, PAGE_SIZE);
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return nread;
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}
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ssize_t RandomDevice::write(FileDescriptor&, const byte*, ssize_t size)
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ssize_t RandomDevice::write(FileDescription&, const byte*, ssize_t size)
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{
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// FIXME: Use input for entropy? I guess that could be a neat feature?
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return min(PAGE_SIZE, size);
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@ -12,9 +12,9 @@ public:
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private:
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// ^CharacterDevice
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virtual ssize_t read(FileDescriptor&, byte*, ssize_t) override;
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virtual ssize_t write(FileDescriptor&, const byte*, ssize_t) override;
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virtual bool can_read(FileDescriptor&) const override;
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virtual bool can_write(FileDescriptor&) const override { return true; }
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virtual ssize_t read(FileDescription&, byte*, ssize_t) override;
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virtual ssize_t write(FileDescription&, const byte*, ssize_t) override;
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virtual bool can_read(FileDescription&) const override;
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virtual bool can_write(FileDescription&) const override { return true; }
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virtual const char* class_name() const override { return "RandomDevice"; }
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};
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@ -11,19 +11,19 @@ ZeroDevice::~ZeroDevice()
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{
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}
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bool ZeroDevice::can_read(FileDescriptor&) const
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bool ZeroDevice::can_read(FileDescription&) const
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{
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return true;
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}
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ssize_t ZeroDevice::read(FileDescriptor&, byte* buffer, ssize_t size)
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ssize_t ZeroDevice::read(FileDescription&, byte* buffer, ssize_t size)
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{
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ssize_t count = min(PAGE_SIZE, size);
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memset(buffer, 0, (size_t)count);
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return count;
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}
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ssize_t ZeroDevice::write(FileDescriptor&, const byte*, ssize_t size)
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ssize_t ZeroDevice::write(FileDescription&, const byte*, ssize_t size)
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{
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return min(PAGE_SIZE, size);
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}
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@ -10,9 +10,9 @@ public:
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private:
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// ^CharacterDevice
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virtual ssize_t read(FileDescriptor&, byte*, ssize_t) override;
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virtual ssize_t write(FileDescriptor&, const byte*, ssize_t) override;
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virtual bool can_read(FileDescriptor&) const override;
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virtual bool can_write(FileDescriptor&) const override { return true; }
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virtual ssize_t read(FileDescription&, byte*, ssize_t) override;
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virtual ssize_t write(FileDescription&, const byte*, ssize_t) override;
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virtual bool can_read(FileDescription&) const override;
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virtual bool can_write(FileDescription&) const override { return true; }
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virtual const char* class_name() const override { return "ZeroDevice"; }
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};
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