Operating Systems Processes and threads 21 Processes(进程) 22 Threads(线程) 23 Scheduling(调度) 24 Interprocess communication(进程间通信) 2. Classical IPc problems(经典IPC问题) Gao Haichang, Software School, Xidian UniversityOperating Systems Gao Haichang , Software School, Xidian University 3  2.1 Processes （进程）  2.2 Threads（线程）  2.3 Scheduling（调度）  2.4 Interprocess communication（进程间通信）  2.5 Classical IPC problems （经典IPC问题） Processes and Threads