| handle | The AtomicSafetyHandle to return readers for. |
| maxCount | The maximum number of AtomicSafetyHandles to write to the output array. |
| output | A buffer where the job handles are written. |
int The number of readers on the handle, which might be greater than the maximum count provided.
Fetches the job handles of all jobs that read from an AtomicSafetyHandle.
This is a debugging method used to produce better error messages and is not intended to be called from user code.