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libc: fix expired-timer calculation

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Alexander Boettcher 2017-05-22 15:55:39 +02:00 committed by Christian Helmuth
parent c1edfa5d46
commit f865b71f27
1 changed files with 4 additions and 1 deletions
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5
repos/libports/src/lib/libc/task.cc
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@ -252,7 +252,10 @@ struct Libc::Timeout
{ {
unsigned long const now = _timer_accessor.timer().curr_time(); unsigned long const now = _timer_accessor.timer().curr_time();
return _expired ? 0 : _absolute_timeout_ms - now; if (_expired || _absolute_timeout_ms < now)
return 0;
return _absolute_timeout_ms - now;
} }
}; };