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Tony Garnock-Jones 2022-05-13 14:07:19 +02:00
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7
src/operation/index.md
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@ -4,7 +4,7 @@ Synit uses the Linux kernel as a hardware abstraction and virtualisation layer.
All processes in the system are arranged into a [supervision
tree](../glossary.md#supervision-tree), conceptually rooted at the [system
bus](./system-bus.md) (NB. not at PID 1).
bus](./system-bus.md).
```ditaa system-supervision-tree
+----------------------------------+
@ -28,6 +28,11 @@ bus](./system-bus.md) (NB. not at PID 1).
```
While `init` is PID 1, and thus the root of the tree of processes according to the kernel, it
is *not* the root of the supervision tree. The `init` process, acting as management daemon for
the *kernel* from Synit's perspective, is "supervised" by the system bus like all other
services. The supervision tree is a Synit concept, not a Linux concept.
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Here's an example of `ps` output from a Synit prototype running on a mobile phone: