devc-pty

QNX SDP8.0Utilities ReferenceUtilities

Pseudo-tty communications manager (QNX OS)

Note:
You must be root or have the right abilities to start this manager.

Syntax:

devc-pty [options] [-n numptys] [-U uid[:gid] ] &

Runs on:

QNX OS

Options:

The devc-pty defaults for following devc-* options are:
-e
The default is edited mode, not raw mode (-E).
-F
Disable hardware flow control. Hardware flow control isn't supported in edited mode.
-I size
Size of input buffer in bytes (default 1024).
-O size
Size of output buffer in bytes (default 1024).
-s
Enable software flow control.
In addition to the devc-* options, this driver supports the following options:
-n numptys
Create numptys ptys (default 8).
-U uid[:gid]
Set the user ID and group ID.

Description:

The devc-pty manager is a small pseudo-tty manager for the QNX OS. It can support up to 256 ptys, using the naming scheme:

  • pty[p-zP-T][0-9a-f] for the controller device
  • tty[p-zP-T][0-9a-f] for the worker device

The controller and worker device pair share the same letter and hexadecimal digit.

Examples:

Start devc-pty with 32 ptys: 

devc-pty -n 32 &
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