#2199: th32SnapEnumProcesses in System.Win32.Process prints debugging
information
to stdout
--------------------------------------+-------------------------------------
Reporter: guest | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 6.8.2
Severity: normal | Resolution:
Keywords: th32SnapEnumProcesses | Testcase:
Architecture: Unknown | Os: Windows
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Comment (by guest):
Sorry about that formatting, let me try again:
{{{
th32SnapEnumProcesses :: Th32SnapHandle -> IO [ProcessEntry32]
th32SnapEnumProcesses h = allocaBytes 556 $ \pe -> do
pokeByteOff pe 0 (556 :: DWORD)
ok <- c_Process32First h pe
readAndNext ok pe []
where
errStr = "th32SnapEnumProcesses: Process32First/Process32Next"
readAndNext ok pe res
| not ok = do
err <- getLastError
if err == 18
then return $ reverse res
else failWith errStr err
| otherwise = do
entry <- peekProcessEntry32 pe
ok' <- c_Process32Next h pe
readAndNext ok' pe (entry:res)
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2199#comment:1>
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