5.4.1 Concept of Monitors(1/10) Monitor(管程) A high-level abstraction that provides a convenient and effective mechanism for process synchronization Only one process/thread may be executing in the monitor at a time5.4.1 Concept of Monitors(1/10） • Monitor（管程） • A high-level abstraction that provides a convenient and effective mechanism for process synchronization. • Only one process/thread may be executing in the monitor at a time. 6