Functions
def	setTrfSignalHandlers (handler)
	Install common handler for various signals. More...

def	resetTrfSignalHandlers ()
	Restore signal handlers to the default ones. More...

Variables
	msg

	_savedSignalHandlerDict

	_defaultSignalList

Function Documentation

◆ resetTrfSignalHandlers()

def python.trfSignal.resetTrfSignalHandlers ( )

Restore signal handlers to the default ones.

Handlers are restored from _defaultSignalHandlerDict dictionary.

Returns: None

Definition at line 40 of file trfSignal.py.

 def resetTrfSignalHandlers():
     for s in _defaultSignalList:
         try:
             signal.signal(getattr(signal, s), _savedSignalHandlerDict.get(s, signal.SIG_DFL))
         except Exception as e:
             msg.error("Unable to attach custom signal handler to %s: %s", s, e)
             continue

◆ setTrfSignalHandlers()

def python.trfSignal.setTrfSignalHandlers ( handler )

Install common handler for various signals.

All existing signal handlers are saved in the _trfSignalHandlerDict dictionary to allow for them to be restored.

Parameters

handler Common signal handler for all signals concerned.

Returns: None

Definition at line 28 of file trfSignal.py.

 def setTrfSignalHandlers(handler):
     for s in _defaultSignalList:
         try:
             msg.debug("Setting signalhandler for %s to %s", s, handler)
             _savedSignalHandlerDict[s] =  signal.signal(getattr(signal, s), handler)
         except Exception as e:
             msg.error("Unable to attach custom signal handler to %s: %s", s, e)
             continue
  

Variable Documentation

◆ _defaultSignalList

python.trfSignal._defaultSignalList

private

Definition at line 22 of file trfSignal.py.

◆ _savedSignalHandlerDict

python.trfSignal._savedSignalHandlerDict

private

Definition at line 16 of file trfSignal.py.

◆ msg

python.trfSignal.msg

Definition at line 14 of file trfSignal.py.

Functions