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Kernel: Add explicit offset parameter to File::read etc

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This commit is contained in:
Conrad Pankoff 2020-04-10 19:44:42 +10:00 • committed by Andreas Kling
parent 68c7ca7d3b
commit a3edeb5868
45 changed files with 199 additions and 183 deletions
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8
Kernel/FileSystem/File.h
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@ -71,11 +71,11 @@ public:
virtual KResultOr<NonnullRefPtr<FileDescription>> open(int options);
virtual void close();
virtual bool can_read(const FileDescription&) const = 0;
virtual bool can_write(const FileDescription&) const = 0;
virtual bool can_read(const FileDescription&, size_t) const = 0;
virtual bool can_write(const FileDescription&, size_t) const = 0;
virtual ssize_t read(FileDescription&, u8*, ssize_t) = 0;
virtual ssize_t write(FileDescription&, const u8*, ssize_t) = 0;
virtual ssize_t read(FileDescription&, size_t, u8*, ssize_t) = 0;
virtual ssize_t write(FileDescription&, size_t, const u8*, ssize_t) = 0;
virtual int ioctl(FileDescription&, unsigned request, unsigned arg);
virtual KResultOr<Region*> mmap(Process&, FileDescription&, VirtualAddress preferred_vaddr, size_t offset, size_t size, int prot, bool shared);