// class constructor //
public MutexHandler(bool case1, Mutual_Exclusion_Form form)
{
// if true, then use case 1 operation //
// Ricart & Agrawalas mutual exclusion algorithm, one person on bridge at a time. Everyone eventually allowed to cross (via queue) //
parentForm = form;
populateHandles(case1); // Create handles data structure, needed for all operational cases //
this.setInitialData(); // Sets inital thread data in the shared memory //
// Common init code between case 1 and case 2 //
parentForm.rInsert(Color.Red);
parentForm.rInsert(Color.Red);
parentForm.lInsert(Color.Blue);
parentForm.lInsert(Color.Blue);
// Specific case code execution //
if (case1)
{
// FOR CASE 1 -> EXECUTE MUTUAL EXCLUSION ALGORITHM //
Richart_Agrawala(form);
}
// if false, design protocol 2 states that bridge crossings allowed directionally in sync, but no job indefinately prevented from crossing
else
{
// FOR CASE 2 -> EXECUTE MUTUAL EXCLUSION ALGORITHM //
Multi_Bridge(form);
}
}
public void Multi_Bridge(Mutual_Exclusion_Form form)
{
workerThreads[0] = new Thread(() => Multi_Thread(0));
workerThreads[1] = new Thread(() => Multi_Thread(1));
workerThreads[2] = new Thread(() => Multi_Thread(2));
workerThreads[3] = new Thread(() => Multi_Thread(3));
foreach (Thread worker in workerThreads)
{
worker.Start();
}
}
public void Richart_Agrawala(Mutual_Exclusion_Form form)
{
workerThreads[0] = new Thread(() => Richart_Thread(0));
Thread.Sleep(10);
workerThreads[1] = new Thread(() => Richart_Thread(1));
Thread.Sleep(15);
workerThreads[2] = new Thread(() => Richart_Thread(2));
Thread.Sleep(18);
workerThreads[3] = new Thread(() => Richart_Thread(3));
foreach (Thread worker in workerThreads)
{
worker.Start();
}
}
