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broken, and what was changed in the fixed deadlock code to remove the deadlock. Thank you in

broken, and what was changed in the fixed deadlock code to remove the deadlock. Thank you in

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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I have uploaded two types of code, a deadlock (fixed) code, and a deadlock (broken) code. I wanted to know why the broken deadlock code is broken, and what was changed in the fixed deadlock code to remove the deadlock. Thank you in advance. 

#include <iostream> #include <thread> #include <mutex> using namespace std; mutex mutex1, mutex2; void ThreadA() { // Solves deadlock problem Why? mutex1.lock(); cout << "Thread A" << endl; mutex2.lock(); mutex2.unlock(); mutex1.unlock(); } void ThreadB() { // Solves deadlock problem - Why? mutex1.lock(); cout << "Thread B" << endl; mutex2.lock(); mutex1.unlock(); mutex2.unlock(); } void ExecuteThreads () { thread t1(ThreadA); thread t2(ThreadB); cout << "Deadlocked code (fixed)...!" << "\n"; cout << "Program will end...!" << "\n"; // Starting the threads. t1.join(); t2.join(); cout << "Finished" << endl; } int main() { cout << "This program was written by James L. Bowman III.\n\n"; Execute Threads ();
Transcribed Image Text:#include <iostream> #include <thread> #include <mutex> using namespace std; mutex mutex1, mutex2; void ThreadA() { // Solves deadlock problem Why? mutex1.lock(); cout << "Thread A" << endl; mutex2.lock(); mutex2.unlock(); mutex1.unlock(); } void ThreadB() { // Solves deadlock problem - Why? mutex1.lock(); cout << "Thread B" << endl; mutex2.lock(); mutex1.unlock(); mutex2.unlock(); } void ExecuteThreads () { thread t1(ThreadA); thread t2(ThreadB); cout << "Deadlocked code (fixed)...!" << "\n"; cout << "Program will end...!" << "\n"; // Starting the threads. t1.join(); t2.join(); cout << "Finished" << endl; } int main() { cout << "This program was written by James L. Bowman III.\n\n"; Execute Threads ();
#include <iostream> #include <thread> #include <mutex> using namespace std; mutex mutex1, mutex2; void ThreadA() { // Creates deadlock problem - Why? mutex2.lock(); cout << "\nThread A\n"; mutex1.lock(); mutex2.unlock(); mutex1.unlock(); void ThreadB() { // Creates deadlock problem Why? mutex1.lock(); cout << endl << "\nThread B\n"; mutex2.lock(); mutex1.unlock(); mutex2.unlock(); } void ExecuteThreads () { thread t1(ThreadA); thread t2(ThreadB); cout << "Deadlocked code (broken)...!" << "\n"; cout << "Program never ends...!" << "\n"; // Starting the threads. t1.join(); t2.join(); // Threads never allow this line to be executed. cout << "Finished" << endl; int main() { cout << "This program was written by James L. Bowman III.\n\n"; ExecuteThreads();
Transcribed Image Text:#include <iostream> #include <thread> #include <mutex> using namespace std; mutex mutex1, mutex2; void ThreadA() { // Creates deadlock problem - Why? mutex2.lock(); cout << "\nThread A\n"; mutex1.lock(); mutex2.unlock(); mutex1.unlock(); void ThreadB() { // Creates deadlock problem Why? mutex1.lock(); cout << endl << "\nThread B\n"; mutex2.lock(); mutex1.unlock(); mutex2.unlock(); } void ExecuteThreads () { thread t1(ThreadA); thread t2(ThreadB); cout << "Deadlocked code (broken)...!" << "\n"; cout << "Program never ends...!" << "\n"; // Starting the threads. t1.join(); t2.join(); // Threads never allow this line to be executed. cout << "Finished" << endl; int main() { cout << "This program was written by James L. Bowman III.\n\n"; ExecuteThreads();
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