streamio Operations
After a stream has been opened, ioctl operations allow a user process to insert and delete (push and pop) modules.
That process can then communicate with and control the operation of the stream head, modules, and
drivers, and can send and receive messages containing data and control information.
| Item | Description |
|---|---|
| ioctl | Controls a stream by enabling application programs to perform functions specific to a particular device. A set of generic STREAMS ioctl operations (referred to as streamio operations) support a variety of functions for accessing and controlling streams. |