User`s guide

User Runtime Functions [B]
mta_start_event_logging
mta_suspend_event_logging
mta_resume_event_logging
mta_is_event_logging_on
mta_set_event_flush
Traces buffer controls for user-defined event logging. See the
mta_start_event_logging(3) man page.
mta_yield
Yields an active stream to any other thread that needs the stream. See
the mta_yield(3) man page.
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