X-Git-Url: https://git.ralfj.de/saartuer.git/blobdiff_plain/dcf982c61b81917b9b01261bf832768c00cb4843..5a866fd8add83733d9e1cde55ecbd23f69661658:/libtuer.py

diff --git a/libtuer.py b/libtuer.py
index 60f491b..e31ce27 100644
--- a/libtuer.py
+++ b/libtuer.py
@@ -1,4 +1,4 @@
-import logging, logging.handlers, os, time, queue, threading
+import logging, logging.handlers, os, time, queue, threading, subprocess, multiprocessing
 
 # logging function
 class Logger:
@@ -28,6 +28,17 @@ class Logger:
 
 logger = Logger()
 
+# run a command asynchronously and log the return value if not 0
+# prefix must be a string identifying the code position where the call came from
+def fire_and_forget (cmd, log, prefix):
+	def _fire_and_forget (cmd, log, prefix):
+		with open("/dev/null", "w") as fnull:
+			retcode = subprocess.call(cmd, stdout=fnull, stderr=fnull)
+			if retcode is not 0:
+				log("%sReturn code %d at command: %s" % (prefix,retcode,str(cmd)))
+	p = multiprocessing.Process(target=_fire_and_forget, args=(cmd,log,prefix))
+	p.start()
+
 # Threaded callback class
 class ThreadFunction():
 	_CALL = 0