diff options
Diffstat (limited to 'Utility')
| -rw-r--r-- | Utility/Mounts.hsc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Utility/Mounts.hsc b/Utility/Mounts.hsc index 4994c5e18..6b69e844a 100644 --- a/Utility/Mounts.hsc +++ b/Utility/Mounts.hsc @@ -57,11 +57,13 @@ getMounts = do } getmntent h (ent:c) +{- Using unsafe imports because the C functions are belived to never block. + - Note that getmntinfo is called with MNT_NOWAIT to avoid possibly blocking; + - while getmntent only accesses a file in /etc (or /proc) that should not + - block. -} foreign import ccall unsafe "libmounts.h mounts_start" c_mounts_start :: IO (Ptr ()) - foreign import ccall unsafe "libmounts.h mounts_next" c_mounts_next :: Ptr () -> IO (Ptr ()) - foreign import ccall unsafe "libmounts.h mounts_end" c_mounts_end :: Ptr () -> IO CInt |