opaque handle that can subsequently be passed to
<function>GetBackgroundWorkerPid(<parameter>BackgroundWorkerHandle *</parameter>, <parameter>pid_t *</parameter>)</function> or
<function>TerminateBackgroundWorker(<parameter>BackgroundWorkerHandle *</parameter>)</function>.
- <function>GetBackgroundWorker</> can be used to poll the status of the
+ <function>GetBackgroundWorkerPid</> can be used to poll the status of the
worker: a return value of <literal>BGWH_NOT_YET_STARTED</> indicates that
the worker has not yet been started by the postmaster;
<literal>BGWH_STOPPED</literal> indicates that it has been started but is