The document discusses process synchronization and concurrency control techniques used to ensure orderly execution of cooperating processes. It describes solutions to classical synchronization problems like the bounded buffer problem, readers-writers problem, and dining philosophers problem using semaphores and monitors. Atomic transactions are achieved through techniques like write-ahead logging and checkpoints to assure failures do not compromise data consistency.

1. Chapter 6: Process Synchronization

32. Schematic view of a Monitor

34. Monitor with Condition Variables

54. Schedule 1: T 0 then T 1

56. Schedule 2: Concurrent Serializable Schedule

62. Schedule Possible Under Timestamp Protocol

63. End of Chapter 6