Functions
	setTrfSignalHandlers (handler)
	Install common handler for various signals.
	resetTrfSignalHandlers ()
	Restore signal handlers to the default ones.

Variables
	msg = logging.getLogger(__name__)
dict	_savedSignalHandlerDict = {}
list	_defaultSignalList = ['SIGABRT', 'SIGFPE', 'SIGBUS', 'SIGHUP', 'SIGILL', 'SIGIO', 'SIGPIPE', 'SIGQUIT', 'SIGSEGV', 'SIGSYS', 'SIGXCPU', 'SIGXFSZ']

Function Documentation

◆ resetTrfSignalHandlers()

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()

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

list python.trfSignal._defaultSignalList = ['SIGABRT', 'SIGFPE', 'SIGBUS', 'SIGHUP', 'SIGILL', 'SIGIO', 'SIGPIPE', 'SIGQUIT', 'SIGSEGV', 'SIGSYS', 'SIGXCPU', 'SIGXFSZ']

protected

Definition at line 22 of file trfSignal.py.

◆ _savedSignalHandlerDict

dict python.trfSignal._savedSignalHandlerDict = {}

protected

Definition at line 16 of file trfSignal.py.

◆ msg

python.trfSignal.msg = logging.getLogger(__name__)

Definition at line 14 of file trfSignal.py.

Functions