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Kernel: Add InodeFile, a File subclass for regular files.

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Finally everything that can be held by a FileDescriptor actually inherits
from the File class.
This commit is contained in:
Andreas Kling 2019-05-30 13:39:17 +02:00
parent 66c1a9be3b
commit 08926e59b3
9 changed files with 151 additions and 133 deletions
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4
Kernel/File.h
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@ -6,6 +6,7 @@
#include <AK/Types.h>
#include <Kernel/KResult.h>
#include <Kernel/LinearAddress.h>
#include <Kernel/UnixTypes.h>
class FileDescriptor;
class Process;
@ -28,10 +29,13 @@ public:
virtual String absolute_path(FileDescriptor&) const = 0;
virtual KResult truncate(off_t) { return KResult(-EINVAL); }
virtual const char* class_name() const = 0;
virtual bool is_seekable() const { return false; }
virtual bool is_inode() const { return false; }
virtual bool is_shared_memory() const { return false; }
virtual bool is_fifo() const { return false; }
virtual bool is_device() const { return false; }