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Fix infinite looping timer thread #488

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Fix infinite looping timer thread #488

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nastevens
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Due to undefined behavior in pthread when passing in large timeout values, the park_timeout call of the timer thread was spinning very tightly and almost continuously causing poll wakeups. This commit changes the behavior to use a blocking park call when the timeout value is large.

See #483 for more information.

Due to undefined behavior in pthread when passing in large timeout
values, the park_timeout call of the timer thread was spinning very
tightly and almost continuously causing poll wakeups. This commit
changes the behavior to use a blocking park call when the timeout value
is large.

Fixes #483

Signed-off-by: Nick Stevens <nick@bitcurry.com>
@alexcrichton
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Merged as 42a4172, thanks for the PR!

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