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threadWaitRead does not work on windows. #29

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merged 1 commit into from
Jan 25, 2025
Merged

threadWaitRead does not work on windows. #29

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13 changes: 10 additions & 3 deletions src/Hasql/Notifications.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,11 @@ module Hasql.Notifications
FatalError (..),
)
where

import Control.Concurrent (threadDelay, threadWaitRead)
#if defined(mingw32_HOST_OS)
import Control.Concurrent ( threadDelay )
#else
import Control.Concurrent (threadWaitRead, threadDelay)
#endif
import Control.Exception (Exception, throw)
import Control.Monad (forever, unless, void, when)
import Data.ByteString.Char8 (ByteString)
Expand Down Expand Up @@ -190,9 +193,13 @@ waitForNotifications sendNotification con =
mfd <- PQ.socket pqCon
case mfd of
Nothing -> void $ threadDelay 1000000
#if defined(mingw32_HOST_OS)
Just _ -> do
void $ threadDelay 1000000
#else
Just fd -> do
void $ threadWaitRead fd

#endif
result <- PQ.consumeInput pqCon
unless result $ do
mError <- PQ.errorMessage pqCon
Expand Down
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