Lecture 2: Interprocess Communication--Pipes

• mémoire
• cours magistral
• expression écrite

1 Lecture 2: Interprocess Communication--Pipes References for Lecture 2: 1) Unix Network Programming, W.R. Stevens, 1990,Prentice-Hall, Chapter 3. 2) Unix Network Programming, W.R. Stevens, 1999,Prentice-Hall, Chapter 2-6. Purposes: Communication is everywhere from intraprocess to Interprocess. Interprocess communication has 2 forms: user process user process Kernel user process user process Kernel Kernel IPC on one host IPC on different hosts:Network Programming IPC is used for 2 functions: 1) Synchronization---Used to coordinate access to resources among processes and also to coordinate the execution of these processes.

• parent process kernel
• ipc descriptor
• filename
• extern int errno
• error message
• pipe
• error
• file
• int
• process