Python code coverage for Lib/test/win_console_handler.py

#	count	content
1	n/a	"""Script used to test os.kill on Windows, for issue #1220212
2	n/a
3	n/a	This script is started as a subprocess in test_os and is used to test the
4	n/a	CTRL_C_EVENT and CTRL_BREAK_EVENT signals, which requires a custom handler
5	n/a	to be written into the kill target.
6	n/a
7	n/a	See http://msdn.microsoft.com/en-us/library/ms685049%28v=VS.85%29.aspx for a
8	n/a	similar example in C.
9	n/a	"""
10	n/a
11	n/a	from ctypes import wintypes, WINFUNCTYPE
12	n/a	import signal
13	n/a	import ctypes
14	n/a	import mmap
15	n/a	import sys
16	n/a
17	n/a	# Function prototype for the handler function. Returns BOOL, takes a DWORD.
18	n/a	HandlerRoutine = WINFUNCTYPE(wintypes.BOOL, wintypes.DWORD)
19	n/a
20	n/a	def _ctrl_handler(sig):
21	n/a	"""Handle a sig event and return 0 to terminate the process"""
22	n/a	if sig == signal.CTRL_C_EVENT:
23	n/a	pass
24	n/a	elif sig == signal.CTRL_BREAK_EVENT:
25	n/a	pass
26	n/a	else:
27	n/a	print("UNKNOWN EVENT")
28	n/a	return 0
29	n/a
30	n/a	ctrl_handler = HandlerRoutine(_ctrl_handler)
31	n/a
32	n/a
33	n/a	SetConsoleCtrlHandler = ctypes.windll.kernel32.SetConsoleCtrlHandler
34	n/a	SetConsoleCtrlHandler.argtypes = (HandlerRoutine, wintypes.BOOL)
35	n/a	SetConsoleCtrlHandler.restype = wintypes.BOOL
36	n/a
37	n/a	if __name__ == "__main__":
38	n/a	# Add our console control handling function with value 1
39	n/a	if not SetConsoleCtrlHandler(ctrl_handler, 1):
40	n/a	print("Unable to add SetConsoleCtrlHandler")
41	n/a	exit(-1)
42	n/a
43	n/a	# Awake main process
44	n/a	m = mmap.mmap(-1, 1, sys.argv[1])
45	n/a	m[0] = 1
46	n/a
47	n/a	# Do nothing but wait for the signal
48	n/a	while True:
49	n/a	pass