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asyncdispatch: fix erroneous set construction (#13765)

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These constants were defined as `cint`. They can be huge on certain
systems, such as Haiku, and trigger out-of-bounds errors in
asyncdispatch.

Ref #13764.
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alaviss 2020-03-26 08:26:56 +00:00 • committed by GitHub
commit 2da438c33b
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4
lib/pure/asyncdispatch.nim
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@ -1407,7 +1407,9 @@ else:
MSG_NOSIGNAL) MSG_NOSIGNAL)
if res < 0: if res < 0:
let lastError = osLastError() let lastError = osLastError()
if lastError.int32 notin {EINTR, EWOULDBLOCK, EAGAIN}: if lastError.int32 != EINTR and
lastError.int32 != EWOULDBLOCK and
lastError.int32 != EAGAIN:
if flags.isDisconnectionError(lastError): if flags.isDisconnectionError(lastError):
retFuture.complete() retFuture.complete()
else: else: