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-rw-r--r--src/Plugins/Monitors/ThermalZone.hs5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/Plugins/Monitors/ThermalZone.hs b/src/Plugins/Monitors/ThermalZone.hs
index d692191..838a7f5 100644
--- a/src/Plugins/Monitors/ThermalZone.hs
+++ b/src/Plugins/Monitors/ThermalZone.hs
@@ -20,6 +20,7 @@ module Plugins.Monitors.ThermalZone (thermalZoneConfig, runThermalZone) where
import Plugins.Monitors.Common
import System.Posix.Files (fileExist)
+import Control.Exception (IOException, catch)
import qualified Data.ByteString.Char8 as B
-- | Default thermal configuration.
@@ -33,10 +34,12 @@ runThermalZone :: [String] -> Monitor String
runThermalZone args = do
let zone = head args
file = "/sys/class/thermal/thermal_zone" ++ zone ++ "/temp"
+ handleIOError :: IOException -> IO B.ByteString
+ handleIOError _ = return (B.pack "-1")
parse = return . (read :: String -> Int) . B.unpack
exists <- io $ fileExist file
if exists
- then do mdegrees <- io $ B.readFile file >>= parse
+ then do mdegrees <- io $ catch ( B.readFile file) handleIOError >>= parse
temp <- showWithColors show (mdegrees `quot` 1000)
parseTemplate [ temp ]
else getConfigValue naString