| PsiFS_AsyncPoll (SWI &520C7) | |||||||||||||||||||||||
| Poll the status of an asynchronous remote operation | |||||||||||||||||||||||
| On entry: | R0 = | the previously allocated handle for this operation | |||||||||||||||||||||
| On exit: | R0 = | status of the operation | |||||||||||||||||||||
| R1 = | pointer to null terminated description of status | ||||||||||||||||||||||
| R2 = | pointer to null terminated details, or 0 if none | ||||||||||||||||||||||
| Interrupts: | Interrupt status is undefined Fast interrupts are enabled | ||||||||||||||||||||||
| Processor mode: | Processor is in SVC mode | ||||||||||||||||||||||
| Re-entrancy: | SWI is not re-entrant | ||||||||||||||||||||||
| Use: |
Poll the status of a previously started asynchronous remote operation. The possible values for the status are:
If an error has been produced, then R2 will point to the text of the error. The returned pointers only remain valid until the next call of this SWI. If the values need to be kept then they must be copied immediately. | ||||||||||||||||||||||
| Related SWIs: | PsiFS_AsyncStart, PsiFS_AsyncEnd, PsiFS_AsyncControl | ||||||||||||||||||||||
| Related vectors: | None | ||||||||||||||||||||||
| [Contents] [Up] | Copyright © Alexander Thoukydides, 1998, 1999 |