BSD Sockets Interface Programmer's Guide

Chapter 6 125

Using UNIX Domain Stream Sockets

Overview

Each of these steps or activities is described in more detail in the

following sections. The description of each activity speciﬁes a system call

and includes:

• What happens when the system call is used.

• When to make the call.

• What the parameters do.

• How the call interacts with other BSD Sockets system calls.

• Where to ﬁnd details on the system call.

The UNIX Domain stream socket program examples are at the end of

these descriptive sections. You can refer to the example code as you work

through the descriptions.

send data write() or

send()

receive data read() or

recv()

disconnect

socket

(optional)

shutdown()

or close()

disconnect socket

(optional)

shutdown()

or close()

Client

Process

Activity

System

Call Used

Server Process

Activity

System Call

Used