| 119,6 → 119,21 |
|---|
| preemption and thread migration during times when preemption is |
| possible.</para> |
| |
| <para> |
| <mediaobject id="thread_states" xreflabel=""> |
| <imageobject role="html"> |
| <imagedata fileref="images/thread_states.png" format="PNG" /> |
| </imageobject> |
| |
| <imageobject role="fop"> |
| <imagedata fileref="images.vector/thread_states.svg" format="SVG" /> |
| </imageobject> |
| |
| <caption>Transitions among thread states.</caption> |
| </mediaobject> |
| </para> |
| |
| |
| <para>HelenOS userspace layer knows even smaller units of execution. Each |
| userspace thread can make use of an arbitrary number of pseudo threads. |
| These pseudo threads have their own synchronous register context, |