diff options
Diffstat (limited to 'Utility/Lsof.hs')
| -rw-r--r-- | Utility/Lsof.hs | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/Utility/Lsof.hs b/Utility/Lsof.hs index 1c0e934fd..25581cc23 100644 --- a/Utility/Lsof.hs +++ b/Utility/Lsof.hs @@ -21,9 +21,14 @@ type CmdLine = String data ProcessInfo = ProcessInfo ProcessID CmdLine deriving (Show) -query :: FilePath -> IO [(FilePath, LsofOpenMode, ProcessInfo)] -query p = do - (pid, s) <- pipeFrom "lsof" ["-F0can", "--", p] +{- Checks each of the files in a directory to find open files. + - Note that this will find hard links to files elsewhere that are open. -} +queryDir :: FilePath -> IO [(FilePath, LsofOpenMode, ProcessInfo)] +queryDir path = query ["+d", path] + +query :: [String] -> IO [(FilePath, LsofOpenMode, ProcessInfo)] +query opts = do + (pid, s) <- pipeFrom "lsof" ("-F0can" : opts) let !r = parse s -- ignore nonzero exit code; lsof returns that when no files are open void $ getProcessStatus True False $ processID pid |