Explains semaphore implementation using Pthreads mutexes and condition variables. Covers wakeup counting, do-while loop usage, and Property 3 guarantee. Includes detailed C code for sem_wait and sem_signal functions.
Covers multithreaded C programming with Pthreads library. Demonstrates mutex implementation for shared variable protection, synchronization error detection through array checking, and proper thread creation and joining techniques.
Implements producer-consumer pattern with bounded buffer using coke machine simulation. Demonstrates capacity constraints, mutex protection for shared resources, and proper use of semaphores to prevent race conditions in Python.
Demonstrates Python multithreading with semaphores for mutual exclusion. Includes mutex checker problem detecting synchronization errors using histogram analysis. Shows practical implementation of shared variables and thread-safe counter updates.
Ensures students never dine alone with ready-to-eat and ready-to-leave states. Uses I-will-do-it-for-you pattern and scoreboard. Extended version adds ready-to-eat phase with constraints preventing solitary dining through careful state management.