Fix overflow on large timers #49
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kelunik
commented
Feb 4, 2022
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| if ($callback instanceof TimerCallback) { | ||
| $interval = \max(0, $callback->expiration - $now); | ||
| $interval = \min(\max(0, $callback->expiration - $now), \PHP_INT_MAX / 2); |
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PHP_INT_MAX / 2 isn't a great solution, and will likely break in 2038 depending on the internal timer used?
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I made a visual test application for checking memory leaks. Here's how they can currently be played: |
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We hit this issue in https://github.com/amphp/file/blob/858c2a46fc799e6775c3e992134eae57d1d58c49/src/Internal/UvPoll.php#L17 with a dummy timer to keep the event loop running.