/usr/share/pyshared/paste/util/killthread.py is in python-paste 1.7.5.1-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | """
Kill a thread, from http://sebulba.wikispaces.com/recipe+thread2
"""
import types
try:
import ctypes
except ImportError:
raise ImportError(
"You cannot use paste.util.killthread without ctypes installed")
if not hasattr(ctypes, 'pythonapi'):
raise ImportError(
"You cannot use paste.util.killthread without ctypes.pythonapi")
def async_raise(tid, exctype):
"""raises the exception, performs cleanup if needed.
tid is the value given by thread.get_ident() (an integer).
Raise SystemExit to kill a thread."""
if not isinstance(exctype, (types.ClassType, type)):
raise TypeError("Only types can be raised (not instances)")
if not isinstance(tid, int):
raise TypeError("tid must be an integer")
res = ctypes.pythonapi.PyThreadState_SetAsyncExc(ctypes.c_long(tid), ctypes.py_object(exctype))
if res == 0:
raise ValueError("invalid thread id")
elif res != 1:
# """if it returns a number greater than one, you're in trouble,
# and you should call it again with exc=NULL to revert the effect"""
ctypes.pythonapi.PyThreadState_SetAsyncExc(ctypes.c_long(tid), 0)
raise SystemError("PyThreadState_SetAsyncExc failed")
|