Tree of Processes with Arbitrary - Computer Science Assignment Help

Assignment Task

Objectives 

• Learn how to create and terminate processes.
• Learn about process hierarchy.
• Learning to use system calls fork(), exec(), wait(), getpid(), getppid()
• Practice using command-line arguments and recursion. 

Description 

1. Your program should read two inputs from command line - the number of levels of the tree (L) and number of children of each internal node of the process tree (N).

2. Then your program should print the following information: 

(pid): Process starting (pid): Parent's id = (ppid) (pid): Level in the tree = (value_of_N_from_command_line) (pid): Creating (value_of_N_from_command_line) children at Level (L-1) 

In the above output, you should replace pid by the process id of the current process and ppid by the process id of the parent process.

3. Next, if the Level L is greater than 1, your program should create N child processes using forks), and wait for all of the children to complete using the wait() system call.

4. Once all the child processes (if any) have terminated, your program should quit by printing. 

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