Write a new system call getreadcount() for xv6 OS. The return type and parameters are: int getreadcount(void)
The call returns the total number of times the read() system call has been invoked since the time the kernel was booted. Note that the kernel does not keep a counter. You must add it.

3. consider the following class definitions: class smart class supersmart: public smart { { public: public: void print() const; void print() const; void set(int, int); void set(int, int, int); int sum(); int manipulate(); smart(); supersmart(); smart(int, int); supersmart(int, int, int); private: private: int x; int z; int y; int secret(); }; }; . which private members, if any, of smart are public members of supersmart? a. which members, functions, and/or data of the class smart are directly accessible in class supersmart?

The can be used to paste text in any order

What are listed in the vertical columns across the top of the event editor? a. file names b. conditions c. check marks d. action types