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bpo-34263 Cap timeout submitted to epoll/select etc. to one day. (GH-8532)

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MartinAltmayer 2018-07-31 15:06:12 +01:00 • committed by Yury Selivanov
parent 9c18b1ae52
commit 944451cd8d
3 changed files with 6 additions and 5 deletions
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5
Lib/asyncio/base_events.py
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@ -63,6 +63,9 @@ _FATAL_ERROR_IGNORE = (BrokenPipeError,
_HAS_IPv6 = hasattr(socket, 'AF_INET6')
# Maximum timeout passed to select to avoid OS limitations
MAXIMUM_SELECT_TIMEOUT = 24 * 3600
def _format_handle(handle):
cb = handle._callback
@ -1708,7 +1711,7 @@ class BaseEventLoop(events.AbstractEventLoop):
elif self._scheduled:
# Compute the desired timeout.
when = self._scheduled[0]._when
timeout = max(0, when - self.time())
timeout = min(max(0, when - self.time()), MAXIMUM_SELECT_TIMEOUT)
if self._debug and timeout != 0:
t0 = self.time()