A virtual device uses the services described in this section to create and destroy threads in the system virtual machine. Also, a virtual device receives the following messages when creating or destroying threads in the system VM:
| Message | Description |
|---|---|
| Create_Thread | A new thread is being created. |
| Destroy_Thread | A non-initial thread is about to be destroyed |
| Terminate_Thread | A non-initial thread is about to terminate. |
| Thread_Not_Executeable | A non-initial thread has stopped executing. |
| Thread_Init | A new thread was created. |
For a description of these messages, see VMM Messages.
Create_Thread, Destroy_Thread, Terminate_Thread, Thread_Not_Executeable, Thread_Init