Return an estimate of the number of threads currently blocked waiting for
an object from the pool. This is intended for monitoring only, not for
synchronization control.
@return The estimate of the number of threads currently blocked waiting
for an object from the pool
Return an estimate of the number of threads currently blocked waiting for an object from the pool. This is intended for monitoring only, not for synchronization control.
@return The estimate of the number of threads currently blocked waiting for an object from the pool