CPSC 457 L04 Supplementary Material (Winter 2001)

• C example for forking a child process

• Handout: Simple Solutions to the Producer/Consumer Problem [in ps] [in pdf]

• Introduction to Java Threads (Slides)
  The small Java example used in the slides is here and assigning priorities to Java threads example code is here

• Handout: Programming Critical Sections on SPARC [in ps] [in pdf]

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Java Code

NEW
For this code to work on Solaris, all what you need to do is to set the THREADS_FLAG to native (i.e., setenv THREADS_FLAG native)

• Shared Memory Solution to the Producer/Consumer Problem Using Java:
  BoundedBuffer.java
  Consumer.java
  Prodcuer.java
  Server.java

• A Round Robin Scheduler in Java
  CircularList.java
  Scheduler.java
  TestScheduler.java
  TestThread.java
• Algorithms for the Critical Section Problem
  MutualExclusion.java
  Worker.java
  TestAlgorithm.java
  Algorithm_1.java (page 159)
  Algorithm_2.java (page 159)
  Algorithm_3.java (page 161)
• Semaphores
  FirstSemaphore.java
  Semaphore.java
  Runner.java
  Worker.java
  
  
  • Producer/Consumer (Bounded Buffer) Solution Using Semaphores
    (you need file Semaphore.java above)
    BoundedBuffer.java
    BoundedBufferServer.java
    Producer.java
    Consumer.java
  • Correct Dinning Philosophers Problem Solution Using Semaphores
    (you need file Semaphore.java above)
    Philosopher.java
    DinnerTable.java
  • Fair Readers/Writers Solution Using Semaphores
    (you need file Semaphore.java above)
    Database.java
    Reader.java
    Writer.java
    ReaderWriterServer.java
• Monitors: Critical Section implmentation using a monitor
  Process.java
  CriticalSection.java
  Monitor.java




• Deadlocks

Deadlock Example