33 Execution control library [exec]

33.16 Namespace system_context_replaceability [exec.sysctxrepl]

33.16.3 query_parallel_scheduler_backend [exec.sysctxrepl.query]

shared_ptr<parallel_scheduler_backend> query_parallel_scheduler_backend();
query_parallel_scheduler_backend() returns the implementation object for a parallel scheduler.
Returns: A non-null shared pointer to an object that implements the parallel_scheduler_backend interface.
Remarks: This function is replaceable ([dcl.fct.def.replace]).