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Signals are standardized messages sent to a running program to trigger specific behavior, such as quitting or error handling. They are a limited form of inter-process communication (IPC), typically used in Unix, Unix-like, and other POSIX-compliant operating systems.
History & Standards
Explore the main themes, entities and connections around Signal (IPC). Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
See the strongest relationship patterns around the current topic before diving into the raw triples.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
signal process signals system default kernel handler unix exception posix execution may handling sends terminate operating sent exceptions processes kill
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| division by zero | instance of | library function sends the specified signal to the current process.Exceptions | 0.80 | text |
| segmentation violation | instance of | library function sends the specified signal to the current process.Exceptions | 0.80 | text |
| communication between virtual | instance of | but they are not inherently tied to device I/O and may be used for other purposes | 0.80 | text |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.