* The fd tracker feature is part of the ABI and used by liblttng-ust-fd.
* However, some test code and documentation needs to be written before it is
* exposed to users with a public header.
* The fd tracker feature is part of the ABI and used by liblttng-ust-fd.
* However, some test code and documentation needs to be written before it is
* exposed to users with a public header.