private bool ConcurrentDeleterLock(ref Key key, ref Value value, ref RecordInfo recordInfo, ref DeleteInfo deleteInfo, out bool lockFailed)
{
if (!recordInfo.LockExclusive())
{
lockFailed = true;
return(false);
}
try
{
lockFailed = false;
return(ConcurrentDeleterNoLock(ref key, ref value, ref recordInfo, ref deleteInfo));
}
finally
{
recordInfo.UnlockExclusive();
}
}
private bool ConcurrentWriterLock(ref Key key, ref Input input, ref Value src, ref Value dst, ref Output output, ref RecordInfo recordInfo, ref UpsertInfo upsertInfo, out bool lockFailed)
{
if (!recordInfo.LockExclusive())
{
lockFailed = true;
return(false);
}
try
{
lockFailed = false;
return(!recordInfo.Tombstone && ConcurrentWriterNoLock(ref key, ref input, ref src, ref dst, ref output, ref recordInfo, ref upsertInfo));
}
finally
{
recordInfo.UnlockExclusive();
}
}
private bool InPlaceUpdaterLock(ref Key key, ref Input input, ref Output output, ref Value value, ref RecordInfo recordInfo, ref RMWInfo rmwInfo, out bool lockFailed, out OperationStatus status)
{
if (!recordInfo.LockExclusive())
{
lockFailed = true;
status = OperationStatus.SUCCESS;
return(false);
}
try
{
lockFailed = false;
if (recordInfo.Tombstone)
{
status = OperationStatus.SUCCESS;
return(false);
}
return(InPlaceUpdaterNoLock(ref key, ref input, ref output, ref value, ref recordInfo, ref rmwInfo, out status));
}
finally
{
recordInfo.UnlockExclusive();
}
}
