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Testing your System Call To test your system call, write a simple program which creates a few child processes and a few child threads before it calls the new pinfo system call. Your program should print all the process state information for the calling process. Run the program several times. Which fields in the pinfo structure change? Which ones do not? For each field in the pinfo structure, discuss how frequently it changes and why as part of your experiments and document in your learning report. Although system calls are generally accessed through a library (glibc), your test program should access your system call directly. This is accomplished by utilizing the syscall() function. See man syscall. Your test program may include code like the following: #include #include #include "pinfo. h" Int main() { struct pinfo p_info; int status; … /* create child processes

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Testing your System Call To test your system call, write a simple program which creates a few child...
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