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Kernel: Make ProcessTracer inherit from File.
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commit
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12 changed files with 105 additions and 182 deletions
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@ -33,42 +33,21 @@
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// - Subclasses should take care to validate incoming addresses before dereferencing.
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//
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#include <AK/Retainable.h>
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#include <AK/Types.h>
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#include <Kernel/FileSystem/FileDescriptor.h>
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#include <Kernel/File.h>
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class Process;
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class Device : public Retainable<Device> {
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class Device : public File {
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public:
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virtual ~Device();
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InodeMetadata metadata() const { return { }; }
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virtual KResultOr<Retained<FileDescriptor>> open(int options);
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virtual void close();
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virtual bool can_read(Process&) const = 0;
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virtual bool can_write(Process&) const = 0;
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virtual ssize_t read(Process&, byte*, ssize_t) = 0;
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virtual ssize_t write(Process&, const byte*, ssize_t) = 0;
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virtual ~Device() override;
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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 bool is_tty() const { return false; }
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virtual bool is_master_pty() const { return false; }
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virtual int ioctl(Process&, unsigned request, unsigned arg);
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virtual const char* class_name() const = 0;
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virtual String absolute_path() 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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virtual bool is_block_device() const { return false; }
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virtual bool is_character_device() const { return false; }
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virtual bool is_device() const override { return true; }
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protected:
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Device(unsigned major, unsigned minor);
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