pSather extends the SYS class (See SYS defines a number of routines for accessing system information:) with the following routines:
Table 17-6.
| Routine | Description |
|---|---|
| defer | Inform scheduler that this is a good time to preempt this thread. |
| import | Execute an import operation (See Memory consistency). |
| export | Execute an export operation (See Memory consistency). |