Deliver a Photon pulse to yourself
int PtAppPulseTrigger( PtAppContext_t app, pid_t pulse );
This function allows an application to deliver a Photon pulse to itself:
The app argument is the address of the application context, a structure that manages all the data associated with this application. This must be specified as NULL, so that the default context is used. The pulse argument is a pulse ID returned by PtAppCreatePulse().
PtAppCreatePulse(), PtAppDeletePulse(), PtChannelCreate(), PtPulseArm()
MsgDeliverEvent() in the QNX Neutrino Library Reference
Interprocess Communication in the Photon Programmer's Guide