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The following system call adds read permission for a process (for_pid) if the caller (call_pid) owns
the file, and does nothing otherwise. (The operating system supplies call_ pid; the caller supplies
the two latter parameters.)
Is the variable result directly or indirectly visible, or not visible?
Is the variable filelist[fid].owner directly or indirectly visible, or not visible?
Is the variable filelist[fid].access_control directly or indirectly visible, or not visible?

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The following system call adds read permission for a process.pdf

  • 1. The following system call adds read permission for a process (for_pid) if the caller (call_pid) owns the file, and does nothing otherwise. (The operating system supplies call_ pid; the caller supplies the two latter parameters.) Is the variable result directly or indirectly visible, or not visible? Is the variable filelist[fid].owner directly or indirectly visible, or not visible? Is the variable filelist[fid].access_control directly or indirectly visible, or not visible?