gistfile1.py

import threading, traceback, signal, sys

def install_signal_handlers():
	def debug(sig, frame):
		id2name = dict([(th.ident, th.name) for th in threading.enumerate()])
		code = []
		for thread_id, stack in sys._current_frames().items():
			code.append("\n# Thread: %s(%d)" % (id2name.get(thread_id,""), thread_id))
			for filename, lineno, name, line in traceback.extract_stack(stack):
				code.append('  File: "%s", line %d, in %s' % (filename, lineno, name))
				if line:
					code.append("    %s" % (line.strip()))
		print("\n".join(code))

	signal.signal(signal.SIGQUIT, debug)

install_signal_handlers()