def handle(self, event):
"""Handle console control events (like Ctrl-C)."""
if event in (win32con.CTRL_C_EVENT, win32con.CTRL_LOGOFF_EVENT,
win32con.CTRL_BREAK_EVENT, win32con.CTRL_SHUTDOWN_EVENT,
win32con.CTRL_CLOSE_EVENT):
self.bus.log('Console event %s: shutting down bus' % event)
# Remove self immediately so repeated Ctrl-C doesn't re-call it.
try:
self.stop()
except ValueError:
pass
self.bus.exit()
# 'First to return True stops the calls'
return 1
return 0
python类CTRL_C_EVENT的实例源码
def handle(self, event):
"""Handle console control events (like Ctrl-C)."""
if event in (win32con.CTRL_C_EVENT, win32con.CTRL_LOGOFF_EVENT,
win32con.CTRL_BREAK_EVENT, win32con.CTRL_SHUTDOWN_EVENT,
win32con.CTRL_CLOSE_EVENT):
self.bus.log('Console event %s: shutting down bus' % event)
# Remove self immediately so repeated Ctrl-C doesn't re-call it.
try:
self.stop()
except ValueError:
pass
self.bus.exit()
# 'First to return True stops the calls'
return 1
return 0
def _DebugCtrlHandler(evt):
if evt in (win32con.CTRL_C_EVENT, win32con.CTRL_BREAK_EVENT):
assert g_debugService
print "Stopping debug service."
g_debugService.SvcStop()
return True
return False
def _DebugCtrlHandler(evt):
if evt in (win32con.CTRL_C_EVENT, win32con.CTRL_BREAK_EVENT):
assert g_debugService
print "Stopping debug service."
g_debugService.SvcStop()
return True
return False
def _DebugCtrlHandler(evt):
if evt in (win32con.CTRL_C_EVENT, win32con.CTRL_BREAK_EVENT):
assert g_debugService
print("Stopping debug service.")
g_debugService.SvcStop()
return True
return False
def consoleCtrlHandler(self, ctrlType):
"""Called by Windows on a new thread whenever a console control
event is raised."""
logger.debug("Windows control event %d" % ctrlType)
sig = None
if ctrlType == win32con.CTRL_C_EVENT:
# user pressed Ctrl+C or someone did GenerateConsoleCtrlEvent
sig = signal.SIGINT
elif ctrlType == win32con.CTRL_BREAK_EVENT:
sig = signal.SIGTERM
elif ctrlType == win32con.CTRL_CLOSE_EVENT:
# Console is about to die.
# CTRL_CLOSE_EVENT gives us 5 seconds before displaying
# the "End process" dialog - so treat as 'fast'
sig = signal.SIGTERM
elif ctrlType in (win32con.CTRL_LOGOFF_EVENT,
win32con.CTRL_SHUTDOWN_EVENT):
# MSDN says:
# "Note that this signal is received only by services.
# Interactive applications are terminated at logoff, so
# they are not present when the system sends this signal."
# We can therefore ignore it (our service framework
# manages shutdown in this case)
pass
else:
logger.info("Unexpected windows control event %d" % ctrlType)
# Call the signal handler - we could also do it asynchronously
# by setting the relevant event, but we need it synchronous so
# that we don't wake the select loop until after the shutdown
# flags have been set.
result = 0
if sig is not None and sig in self.registry:
self.signalHandler(sig, None)
result = 1 # don't call other handlers.
return result
