mirror of
https://github.com/python/cpython.git
synced 2024-12-26 10:14:58 +08:00
50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
"""Script used to test os.kill on Windows, for issue #1220212
|
|
|
|
This script is started as a subprocess in test_os and is used to test the
|
|
CTRL_C_EVENT and CTRL_BREAK_EVENT signals, which requires a custom handler
|
|
to be written into the kill target.
|
|
|
|
See http://msdn.microsoft.com/en-us/library/ms685049%28v=VS.85%29.aspx for a
|
|
similar example in C.
|
|
"""
|
|
|
|
from ctypes import wintypes, WINFUNCTYPE
|
|
import signal
|
|
import ctypes
|
|
import mmap
|
|
import sys
|
|
|
|
# Function prototype for the handler function. Returns BOOL, takes a DWORD.
|
|
HandlerRoutine = WINFUNCTYPE(wintypes.BOOL, wintypes.DWORD)
|
|
|
|
def _ctrl_handler(sig):
|
|
"""Handle a sig event and return 0 to terminate the process"""
|
|
if sig == signal.CTRL_C_EVENT:
|
|
pass
|
|
elif sig == signal.CTRL_BREAK_EVENT:
|
|
pass
|
|
else:
|
|
print("UNKNOWN EVENT")
|
|
return 0
|
|
|
|
ctrl_handler = HandlerRoutine(_ctrl_handler)
|
|
|
|
|
|
SetConsoleCtrlHandler = ctypes.windll.kernel32.SetConsoleCtrlHandler
|
|
SetConsoleCtrlHandler.argtypes = (HandlerRoutine, wintypes.BOOL)
|
|
SetConsoleCtrlHandler.restype = wintypes.BOOL
|
|
|
|
if __name__ == "__main__":
|
|
# Add our console control handling function with value 1
|
|
if not SetConsoleCtrlHandler(ctrl_handler, 1):
|
|
print("Unable to add SetConsoleCtrlHandler")
|
|
exit(-1)
|
|
|
|
# Awake main process
|
|
m = mmap.mmap(-1, 1, sys.argv[1])
|
|
m[0] = 1
|
|
|
|
# Do nothing but wait for the signal
|
|
while True:
|
|
pass
|