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Kernel: Make ProcessTracer inherit from File.

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This commit is contained in:
Andreas Kling 2019-04-28 15:02:55 +02:00
parent 7ec1f6ab3c
commit e886337a67
12 changed files with 105 additions and 182 deletions
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31
Kernel/Devices/Device.h
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@ -33,42 +33,21 @@
// - Subclasses should take care to validate incoming addresses before dereferencing.
//
#include <AK/Retainable.h>
#include <AK/Types.h>
#include <Kernel/FileSystem/FileDescriptor.h>
#include <Kernel/File.h>
class Process;
class Device : public Retainable<Device> {
class Device : public File {
public:
virtual ~Device();
InodeMetadata metadata() const { return { }; }
virtual KResultOr<Retained<FileDescriptor>> open(int options);
virtual void close();
virtual bool can_read(Process&) const = 0;
virtual bool can_write(Process&) const = 0;
virtual ssize_t read(Process&, byte*, ssize_t) = 0;
virtual ssize_t write(Process&, const byte*, ssize_t) = 0;
virtual ~Device() override;
unsigned major() const { return m_major; }
unsigned minor() const { return m_minor; }
virtual bool is_tty() const { return false; }
virtual bool is_master_pty() const { return false; }
virtual int ioctl(Process&, unsigned request, unsigned arg);
virtual const char* class_name() const = 0;
virtual String absolute_path() const override;
uid_t uid() const { return m_uid; }
uid_t gid() const { return m_gid; }
virtual bool is_block_device() const { return false; }
virtual bool is_character_device() const { return false; }
virtual bool is_device() const override { return true; }
protected:
Device(unsigned major, unsigned minor);