diff options
Diffstat (limited to 'src/Utility')
| -rw-r--r-- | src/Utility/ConcurrentOutput.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/Utility/ConcurrentOutput.hs b/src/Utility/ConcurrentOutput.hs index 3c072cf4..be5fb8d3 100644 --- a/src/Utility/ConcurrentOutput.hs +++ b/src/Utility/ConcurrentOutput.hs @@ -85,7 +85,11 @@ takeOutputLock' block = go =<< withLock tryTakeTMVar ( havelock , if block then do + hPutStrLn stderr "WAIT PROCESS" + hFlush stderr void $ P.waitForProcess h + hPutStrLn stderr "WAIT PROCESS done" + hFlush stderr havelock else do withLock (`putTMVar` orig) |