When your program starts, it shall do the following:Create a file, named QUOTE.txt, in the current directory (cwd).Have your running process write it’s pid (Process ID) followed by a Carriage Return and Newline into the file.Close the file QUOTE.txtCreate a semaphore named FLAG which the threads will use to manage access to the file QUOTE.txt.Create 7 threads. Use the POSIX version of threads (i.e., pthread_create())Block/wait for all seven threads to complete their work.Once all threads are done, destroy the semaphore, then exit gracefully, printing a friendly message to the consoleThe Quote:Even numbered threads: “Controlling complexity is the essence of computer programming.--Brian KerniganOdd numbered threads: “Computer science is no more about computers than astronomy is about telescopes.”--Edsger Dijkstra

This program creates a file named QUOTE.txt in the current directory, writes the process ID followed…

Answered: When your program starts, it shall do…

LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.

5th Edition

ISBN:9781337569798

Author:ECKERT

Publisher:ECKERT

Chapter7: Working With The Bash Shell

Section: Chapter Questions

Problem 15RQ

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When your program starts, it shall do the following:

Create a file, named QUOTE.txt, in the current directory (cwd).
Have your running process write it’s pid (Process ID) followed by a Carriage Return and Newline into the file.
Close the file QUOTE.txt
Create a semaphore named FLAG which the threads will use to manage access to the file QUOTE.txt.
Create 7 threads. Use the POSIX version of threads (i.e., pthread_create())
Block/wait for all seven threads to complete their work.
Once all threads are done, destroy the semaphore, then exit gracefully, printing a friendly message to the console

The Quote:

Even numbered threads: “Controlling complexity is the essence of computer programming.

--Brian Kernigan

Odd numbered threads: “Computer science is no more about computers than astronomy is about telescopes.”

--Edsger Dijkstra

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