Design Patterns for Embedded Systems in C

Chapter 4 Design Patterns for Embedding Concurrency and Resource Management

Chapter Outline

1. Basic Concurrency Concepts 152

   1. Identifying Tasks 160

   2. Concurrency in the UML 161

   3. Real-Time Operating Systems 163

2. Scheduling Patterns 164

3. Cyclic Executive Pattern 164

   1. Abstract 165

   2. Problem 165

   3. Pattern Structure 165

   4. Collaboration Roles 165

      1. AbstractCEThread 165

      2. CyclicExecutive 165

      3. CycleTimer 166

   5. ConcreteCEThread 166

   6. Consequences 167

   7. Implementation Strategies 167

   8. Related Patterns 167

   9. Example 167

4. Static Priority Pattern 170

   1. Abstract 170

   2. Problem 171

   3. Pattern Structure 171

   4. Collaboration Roles 172

      1. AbstractStaticThread 172

      2. ConcreteThread 172

      3. Mutex 172

      4. PriorityQueue 172

      5. SharedResource ...