| Value | Meaning |
|---|---|
| OK0 | The operation succeeded. |
| EARLY1 | The operation was scheduled too late. |
| UNSCHEDULED2 | The clockID was unscheduled |
| BUSY3 | The ClockID is busy |
| BADTIME4 | A bad time was provided to a function. |
| ERROR5 | An error occurred |
| UNSUPPORTED6 | Operation is not supported |
| DONE7 | The ClockID is done waiting |
The return value of a clock operation.