Product Documentation

Cadence Interprocess Communication SKILL Reference
Product Version IC23.1, June 2023

Contents

1

Interprocess Communication (IPC) SKILL

Communication with Child Processes

Child Process Output

Blocking Reads and the SKILL Evaluation Process

Tune the Handlers to Avoid Freezing Graphics

Wait for the Child to Become Active

Child Process Handles

Formatting Child to Parent SKILL Communication

Detecting Child Process Termination

2

Interprocess Communication Functions

ipcActivateBatch

ipcActivateMessages

ipcBatchProcess

ipcBeginProcess

ipcCloseProcess

ipcGetExitStatus

ipcIsActiveProcess

ipcIsAliveProcess

ipcKillAllProcesses

ipcSignalProcess

ipcSkillProcess

ipcSoftInterrupt

ipcWaitForProcess

ipcWriteProcess

3

Photonic Interprocess Communication Functions

Server Registration and Check Functions

phoIPCGetServerCheck

phoIPCRegisterServerCheck

phoIPCServerCheck

Message Processor Functions

phoIPCGetMessageProcessor

phoIPCProcessMarkers

phoIPCProcessPorts

phoIPCProcessServerMessage

phoIPCProcessShapes

phoIPCRegisterMessageProcessor

Standard phoIPC Message Format

Generic Message Processor Example

Programming Examples

Synchronous Input/Output

Asynchronous Input/Output

Multiple UNIX Commands

⠀ X