Glossary

Lifecycle Interface

Interface to report readiness of a process to the Launch Manager.

Component failure

A state when the component has failed to reach its Ready Condition, a running component has terminated abnormally or its supervision failed.

UID

User Identifier - a unique number assigned to each user on a Unix-like operating system.

GID

Group Identifier - a unique number assigned to each group on a Unix-like operating system.

Working Directory

The current directory from which a process is executed, also known as CWD (Current Working Directory).

File Descriptor

A handle used by a process to access files or other input/output resources.

Procmgr

Process Manager - a QNX system component that manages process creation and execution.

ASLR

Address Space Layout Randomization - a security technique that randomizes the memory layout of processes.

QNX

A real-time operating system commonly used in embedded systems.

DSS

Device Safe State - a safe operational state that a system can enter during failures.

DAG

Directed Acyclic Graph - a data structure used to represent dependencies between processes.

Fallback Run Target

A designated Run Target that the system can switch to in case the current active Run Target resp. one of its components fails.