Prevents priority inversion by limiting how many low-priority event callbacks can be invoked before checking for more high-priority events.
Note:
Available since libevent 2.1.0-alpha .
An interval after which Libevent should stop running callbacks and check for more events, or 0
, if there should be no such interval.
A number of callbacks after which Libevent should stop running callbacks and check for more events, or -1
, if there should be no such limit.
A priority below which max_interval
and max_callbacks
should not be enforced. If this is set to 0
, they are enforced for events of every priority; if it's set to 1
, they're enforced for events of priority 1
and above, and so on.
Returns TRUE
on success, otherwise FALSE
.
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