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-rw-r--r--java/JACE/tests/Concurrency/IterationTest.java235
1 files changed, 0 insertions, 235 deletions
diff --git a/java/JACE/tests/Concurrency/IterationTest.java b/java/JACE/tests/Concurrency/IterationTest.java
deleted file mode 100644
index 79e083e7f7a..00000000000
--- a/java/JACE/tests/Concurrency/IterationTest.java
+++ /dev/null
@@ -1,235 +0,0 @@
-/*************************************************
- *
- * = PACKAGE
- * JACE.tests.Concurrency
- *
- * = FILENAME
- * IterationTest.java
- *
- *@author Prashant Jain
- *@author Everett Anderson
- *
- *************************************************/
-package JACE.tests.Concurrency;
-
-import java.io.*;
-import JACE.OS.*;
-import JACE.Concurrency.*;
-
-/**
- * Test which uses an AbstractLock to prevent threads from mangling
- * shared data. This currently tests the four local concurrency
- * mechanisms -- Token, Mutex, RWMutex, and Semaphore.
- */
-public class IterationTest
-{
- static class LockReader extends Thread
- {
- LockReader (int nIterations, AbstractLock lock)
- {
- this.nIterations_ = nIterations;
- this.lock_ = lock;
- }
-
- public void run ()
- {
- for (int i = 1; i <= this.nIterations_; i++)
- {
- // Acquire the lock (will block until it gets it)
- try
- {
- this.lock_.acquire ();
- }
- catch (InterruptedException e)
- {
- ACE.ERROR (e);
- }
- catch (LockException e)
- {
- ACE.ERROR (e);
- }
-
- IterationTest.count++;
- ACE.DEBUG (Thread.currentThread ().toString () +
- " reader acquired lock in iteration " + i +
- ", count = " + IterationTest.count);
-
- try
- {
- Thread.sleep (1);
- }
- catch (InterruptedException e)
- {
- }
- // Release the lock
- try
- {
- this.lock_.release ();
- }
- catch (LockException e)
- {
- ACE.ERROR (e);
- }
- try
- {
- Thread.sleep (1);
- }
- catch (InterruptedException e)
- {
- }
-
- }
- }
-
- int nIterations_;
- AbstractLock lock_;
- }
-
- static class LockWriter extends Thread
- {
- LockWriter (int nIterations, AbstractLock lock)
- {
- this.nIterations_ = nIterations;
- this.lock_ = lock;
- }
-
- public void run ()
- {
- for (int i = 1; i <= this.nIterations_; i++)
- {
- // Acquire the lock (will block until it gets it)
- try
- {
- this.lock_.acquire ();
- }
- catch (InterruptedException e)
- {
- ACE.ERROR (e);
- }
- catch (LockException e)
- {
- ACE.ERROR (e);
- }
-
-
- IterationTest.count++;
- ACE.DEBUG (Thread.currentThread ().toString () +
- " writer acquired lock in iteration " + i +
- ", count = " + IterationTest.count);
-
- try
- {
- Thread.sleep (1);
- }
- catch (InterruptedException e)
- {
- }
-
- // Release the lock
- try
- {
- this.lock_.release ();
- }
- catch (LockException e)
- {
- ACE.ERROR (e);
- }
-
- try
- {
- Thread.sleep (1);
- }
- catch (InterruptedException e)
- {
- }
-
- }
- }
-
- int nIterations_;
- AbstractLock lock_;
- }
-
- final static int TOKEN = 0;
- final static int MUTEX = 1;
- final static int RWMUTEX = 2;
- final static int SEMAPHORE = 3;
-
- /**
- * Command line arguments:
- *
- * (number of readers) (number of writers) (number of iterations)
- */
- public static void main (String args[]) throws InterruptedException
- {
- int nReaders = 1;
- int nWriters = 1;
- int nIterations = 100;
- int i;
-
- ACE.enableDebugging ();
-
- try
- {
- if (args.length == 3)
- {
- nReaders = Integer.parseInt (args[0]);
- nWriters = Integer.parseInt (args[1]);
- nIterations = Integer.parseInt (args[2]);
- }
- }
- catch (NumberFormatException e)
- {
- ACE.ERROR ("Illegal argument.");
- }
-
- AbstractLock lock = null;
- Thread threads[] = new Thread [nReaders + nWriters];
-
- for (int state = TOKEN; state <= SEMAPHORE; state++) {
-
- count = 0;
-
- switch (state)
- {
- case TOKEN:
- ACE.DEBUG ("--------\nTesting Token:");
- lock = new Token ();
- break;
- case MUTEX:
- ACE.DEBUG ("--------\nTesting Mutex:");
- lock = new Mutex ();
- break;
- case RWMUTEX:
- ACE.DEBUG ("--------\nTesting RWMutex:");
- lock = new RWMutex ();
- break;
- case SEMAPHORE:
- ACE.DEBUG ("--------\nTesting Semaphore:");
- lock = new Semaphore ();
- break;
- }
-
- int numThreads = 0;
-
- // Spawn off the readers and writers
- for (i = 0; i < nReaders; i++) {
- threads[numThreads] = new LockReader (nIterations, lock);
- threads[numThreads].start ();
- numThreads++;
- }
-
- for (i = 0; i < nWriters; i++) {
- threads[numThreads] = new LockWriter (nIterations, lock);
- threads[numThreads].start ();
- numThreads++;
- }
-
- for (i = 0; i < numThreads; i++)
- threads[i].join ();
-
- }
- }
-
- public static int count;
-}