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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/File.h
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@ -18,12 +18,12 @@ public:
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 bool can_read(FileDescriptor&) const = 0;
virtual bool can_write(FileDescriptor&) const = 0;
virtual ssize_t read(Process&, byte*, ssize_t) = 0;
virtual ssize_t write(Process&, const byte*, ssize_t) = 0;
virtual int ioctl(Process&, unsigned request, unsigned arg);
virtual ssize_t read(FileDescriptor&, byte*, ssize_t) = 0;
virtual ssize_t write(FileDescriptor&, const byte*, ssize_t) = 0;
virtual int ioctl(FileDescriptor&, unsigned request, unsigned arg);
virtual KResultOr<Region*> mmap(Process&, LinearAddress preferred_laddr, size_t offset, size_t size);
virtual String absolute_path() const = 0;