This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs.

PtAppCreatePulse()

Create a Photon pulse

Synopsis:

pid_t PtAppCreatePulse( PtAppContext_t app, 
                        int priority );

Arguments:

app

The address of the application context, a structure that manages all the data associated with this application. Specify this as NULL, so as to use the default context.

priority

The priority of the pulse. If priority is -1, the pulse's priority is the same as that of the calling process.

Library:

ph

Description:

This function creates a Photon pulse. Under QNX Neutrino, PtAppCreatePulse() creates a Neutrino pulse.

Returns:

A pulse PID (a negative value that's guaranteed never to be -1), or 0 if an error occurred.

Classification:

Photon

See also:

PtAppDeletePulse(), PtAppPulseTrigger(), PtChannelCreate(), PtPulseArm()

MsgDeliverEvent() in the QNX Neutrino Library Reference

Interprocess Communication in the Photon Programmer's Guide