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EventConfig::setMaxDispatchInterval

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(PECL event >= 2.1.0-alpha)

Prevents priority inversion

Description

EventConfig::setMaxDispatchInterval(int $max_interval, int $max_callbacks, int $min_priority): void

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.

max_interval: An interval after which Libevent should stop running callbacks and check for more events, or 0, if there should be no such interval.
max_callbacks: 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.
min_priority: 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.

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